### Build system

* [Cargo](https://crates.io/) - the Rust package manager
* [cargo-all-features](https://github.com/frewsxcv/cargo-all-features) - A configurable subcommand to simplify testing, building and much more for all combinations of features [](https://github.com/frewsxcv/cargo-all-features/actions/workflows/ci.yml)
* [cargo-benchcmp](https://crates.io/crates/cargo-benchcmp) - A utility to compare micro-benchmarks
* [cargo-bitbake](https://crates.io/crates/cargo-bitbake) - A cargo extension that can generate BitBake recipes utilizing the classes from meta-rust
* [cargo-cache](https://crates.io/crates/cargo-cache) - inspect/manage/clean your cargo cache (`~/.cargo/`/`${CARGO_HOME}`), print sizes etc [](https://github.com/matthiaskrgr/cargo-cache/actions)
* [cargo-check](https://crates.io/crates/cargo-check) - A wrapper around `cargo rustc -- -Zno-trans` which can be helpful for running a faster compile if you only need correctness checks
* [cargo-commander](https://crates.io/crates/cargo-commander) - A subcommand for `cargo` to run CLI commands similar to how the scripts section in `package.json` works [](https://github.com/simonhyll/cargo-commander/actions/workflows/build.yml)
* [cargo-count](https://crates.io/crates/cargo-count) - lists source code counts and details about cargo projects, including unsafe statistics
* [cargo-deb](https://crates.io/crates/cargo-deb) - Generates binary Debian packages
* [cargo-depgraph](https://crates.io/crates/cargo-depgraph) - Creates dependency graphs for cargo projects using cargo metadata and graphviz
* [cargo-do](https://crates.io/crates/cargo-do) - run multiple cargo commands in a row
* [cargo-ebuild](https://crates.io/crates/cargo-ebuild) - cargo extension that can generate ebuilds using the in-tree eclasses
* [cargo-edit](https://crates.io/crates/cargo-edit) - allows you to add and list dependencies by reading/writing to your Cargo.toml file from the command line
* [cargo-generate](https://github.com/cargo-generate/cargo-generate) - A generator of a rust project by leveraging a pre-existing git repository as a template.
* [cargo-info](https://crates.io/crates/cargo-info) - queries crates.io for crates details from command line
* [cargo-license](https://crates.io/crates/cargo-license) - A cargo subcommand to quickly view the licenses of all dependencies.
* [cargo-limit](https://crates.io/crates/cargo-limit) - Cargo with less noise: warnings are skipped until errors are fixed, Neovim integration, etc. [](https://github.com/cargo-limit//cargo-limit/actions)
* [cargo-make](https://crates.io/crates/cargo-make) - Task runner and build tool. [](https://github.com/sagiegurari/cargo-make/actions)
* [cargo-modules](https://crates.io/crates/cargo-modules) - A cargo plugin for showing a tree-like overview of a crate's modules.
* [cargo-multi](https://crates.io/crates/cargo-multi) - runs specified cargo command on multiple crates
* [cargo-outdated](https://crates.io/crates/cargo-outdated) - displays when newer versions of Rust dependencies are available, or out of date
* [cargo-rdme](https://github.com/orium/cargo-rdme) [[cargo-rdme](https://crates.io/crates/cargo-rdme)] - Cargo subcommand to create your README from your crate’s documentation. [](https://github.com/orium/cargo-rdme/actions?query=workflow%3ACI)
* [cargo-release](https://crates.io/crates/cargo-release) - tool for releasing git-managed cargo project, build, tag, publish, doc and push [](https://github.com/crate-ci/cargo-release/actions/workflows/rust.yml)
* [cargo-script](https://crates.io/crates/cargo-script) - lets people quickly and easily run Rust "scripts" which can make use of Cargo's package ecosystem
* [cargo-udeps](https://github.com/est31/cargo-udeps) [[cargo-udeps](https://crates.io/crates/cargo-udeps)] - find unused dependencies
* [cargo-update](https://crates.io/crates/cargo-update) - cargo subcommand for checking and applying updates to installed executables
* [cargo-watch](https://crates.io/crates/cargo-watch) - utility for cargo to compile projects when sources change
* [dtolnay/cargo-expand](https://github.com/dtolnay/cargo-expand) - Expand macros in your source code
* CMake
* [Devolutions/CMakeRust](https://github.com/Devolutions/CMakeRust) - useful for integrating a Rust library into a CMake project
* [SiegeLord/RustCMake](https://github.com/SiegeLord/RustCMake) - an example project showing usage of CMake with Rust
* [facebook/buck2](https://github.com/facebook/buck2) - [Buck2](https://buck2.build/) is a large-scale build tool built in Rust
* [Fleet](https://github.com/dimensionhq/fleet) [[fleet-rs](https://crates.io/crates/fleet-rs)] - The blazing fast build tool for Rust.
* GitHub actions
* [icepuma/rust-action](https://github.com/icepuma/rust-action) - rust github action
* [peaceiris/actions-mdbook](https://github.com/peaceiris/actions-mdbook) - GitHub Actions for mdBook
* [Nix](https://nixos.org/)
* [nix-community/fenix](https://github.com/nix-community/fenix) - Rust toolchains and rust analyzer nightly for nix [](https://github.com/nix-community/fenix/actions/workflows/ci.yml)
* [pantsbuild/pants](https://github.com/pantsbuild/pants) - [Pants](https://www.pantsbuild.org/) is a fast, scalable, user-friendly build system for codebases of all sizes built in Rust.
* [tracemachina/nativelink](https://github.com/tracemachina/nativelink) - [NativeLink](https://www.nativelink.com) is a Backend Remote Execution platform written in rust for client build systems such as [Buck2](https://buck2.build/), [Bazel](https://bazel.build/), [Pants](https://www.pantsbuild.org/), etc.. [](https://securityscorecards.dev/viewer/?uri=github.com/TraceMachina/nativelink) [](https://www.bestpractices.dev/projects/8050) [](https://nativelink.slack.com/join/shared_invite/zt-281qk1ho0-krT7HfTUIYfQMdwflRuq7A#/shared-invite/email)

### Debugging

* GDB
* [gdbgui](https://github.com/cs01/gdbgui) - Browser based frontend for gdb to debug C, C++, Rust, and go.
* [kxxt/tracexec](https://github.com/kxxt/tracexec) [[tracexec](https://crates.io/crates/tracexec)] - Tracer for execve{,at} and pre-exec behavior, launcher for debuggers.
* LLDB
* [CodeLLDB](https://marketplace.visualstudio.com/items?itemName=vadimcn.vscode-lldb) - A LLDB extension for [Visual Studio Code](https://code.visualstudio.com/).

### Deployment

* Docker
* [emk/rust-musl-builder](https://github.com/emk/rust-musl-builder) - Docker images for compiling static Rust binaries using musl-libc and musl-gcc, with static versions of useful C libraries
* [kpcyrd/mini-docker-rust](https://github.com/kpcyrd/mini-docker-rust) - An example project for very small rust docker images
* [liuchong/docker-rustup](https://github.com/liuchong/docker-rustup) - A multiple version (with musl tools) Rust Docker image
* [LukeMathWalker/cargo-chef](https://github.com/LukeMathWalker/cargo-chef) - A tool and pre-built images for caching compiling remote dependencies between Docker builds.
* [rust-cross/rust-musl-cross](https://github.com/rust-cross/rust-musl-cross) - Docker images for compiling static Rust binaries using musl-cross [](https://github.com/rust-cross/rust-musl-cross/actions?query=workflow%3ABuild)
* [rust-lang-nursery/docker-rust](https://github.com/rust-lang/docker-rust) - the official Rust Docker image
* [Stavrospanakakis/is_ready](https://github.com/Stavrospanakakis/is_ready) - Wait for multiple services to become available 
* Heroku
* [emk/heroku-buildpack-rust](https://github.com/emk/heroku-buildpack-rust) - A buildpack for Rust applications on Heroku
* [MarcoIeni/release-plz](https://github.com/MarcoIeni/release-plz) [[release-plz](https://crates.io/crates/release-plz)] - Release crates from CI, with changelog generation and semver check. [](https://github.com/MarcoIeni/release-plz/actions)

### Embedded

[Rust Embedded](https://rust-embedded.org/) focuses on improving the end-to-end experience of using Rust in resource-constrained environments and non-traditional platforms. See [awesome-embedded-rust](https://github.com/rust-embedded/awesome-embedded-rust) for a curated, and more extended list of embedded Rust resources.

* Arduino
* [avr-rust/ruduino](https://github.com/avr-rust/ruduino) - Reusable components for the Arduino Uno.
* Cross compiling
* [japaric/rust-cross](https://github.com/japaric/rust-cross) - everything you need to know about cross compiling Rust programs
* [japaric/xargo](https://github.com/japaric/xargo) - effortless cross compilation of Rust programs to custom bare-metal targets like ARM Cortex-M
* Espressif
* [esp-rs](https://github.com/esp-rs) - home to a number of community projects enabling the use of the Rust programming language on various SoCs and modules produced by Espressif Systems.
* Firmware
* [oreboot/oreboot](https://github.com/oreboot/oreboot) - oreboot is a fork of coreboot, with C removed, written in Rust
* nRF
* [nrf-rs/nrf-hal](https://github.com/nrf-rs/nrf-hal) - A Rust HAL for the nRF family of devices

### FFI

See also [Foreign Function Interface](https://doc.rust-lang.org/book/first-edition/ffi.html), [The Rust FFI Omnibus](http://jakegoulding.com/rust-ffi-omnibus/) (a collection of examples of using code written in Rust from other languages) and [FFI examples written in Rust](https://github.com/alexcrichton/rust-ffi-examples).

* C
* [mozilla/cbindgen](https://github.com/mozilla/cbindgen) - generates C header files from Rust source files. Used in Gecko for WebRender
* [Sean1708/rusty-cheddar](https://github.com/Sean1708/rusty-cheddar) - generates C header files from Rust source files
* C#
* [csbindgen](https://github.com/Cysharp/csbindgen) - generates C# bindings for Rust source files
* C++
* [dtolnay/cxx](https://github.com/dtolnay/cxx) - Safe interop between Rust and C++ [](https://github.com/dtolnay/cxx)
* [rust-cpp](https://crates.io/crates/cpp) - Embed C++ code directly in Rust. [](https://ci.appveyor.com/project/mystor/rust-cpp/branch/master)
* [rust-lang/rust-bindgen](https://github.com/rust-lang/rust-bindgen) - A Rust bindings generator
* Erlang
* [rusterlium/rustler](https://github.com/rusterlium/rustler) - safe Rust bridge for creating Erlang NIF functions
* Java
* [bennettanderson/rjni](https://github.com/benanders/rjni) - use Java from Rust
* [drrb/java-rust-example](https://github.com/drrb/java-rust-example) - use Rust from Java
* [j4rs](https://crates.io/crates/j4rs) - use Java from Rust
* [jni](https://crates.io/crates/jni) - use Rust from Java
* [jni-sys](https://crates.io/crates/jni-sys) - Rust definitions corresponding to jni.h
* [rucaja](https://crates.io/crates/rucaja) - use Java from Rust
* Lua
* [jcmoyer/rust-lua53](https://github.com/jcmoyer/rust-lua53) - Lua 5.3 bindings for Rust
* [lilyball/rust-lua](https://github.com/lilyball/rust-lua) - Safe Rust bindings to Lua 5.1
* [mlua-rs/mlua](https://github.com/mlua-rs/mlua) - High level Lua 5.4/5.3/5.2/5.1 (including LuaJIT) and Roblox Luau bindings to Rust with async/await support [](https://github.com/mlua-rs/mlua/actions)
* [tickbh/td_rlua](https://github.com/tickbh/td_rlua) [[td_rlua](https://crates.io/crates/td_rlua)] - Zero-cost high-level lua 5.3 wrapper for Rust
* [tomaka/hlua](https://github.com/tomaka/hlua) - Rust library to interface with Lua
* mruby
* [anima-engine/mrusty](https://github.com/anima-engine/mrusty) - mruby safe bindings for Rust
* Node.js
* [infinyon/node-bindgen](https://github.com/infinyon/node-bindgen) - Easy way to generate nodejs module using Rust
* [neon-bindings/neon](https://github.com/neon-bindings/neon) - Rust bindings for writing safe and fast native Node.js modules
* [zhangyuang/node-ffi-rs](https://github.com/zhangyuang/node-ffi-rs) - A module written in Rust and N-API provides interface (FFI) features for Node.js
* Objective-C
* [SSheldon/rust-objc](https://github.com/SSheldon/rust-objc) - Objective-C Runtime bindings and wrapper for Rust
* PHP
* [phper-framework/phper](https://github.com/phper-framework/phper) - The framework that allows us to write PHP extensions using pure and safe Rust whenever possible
* Prolog
* [mthom/scryer-prolog](https://github.com/mthom/scryer-prolog/) - Scryer Prolog is a free software ISO Prolog system written in Rust
* Python
* [dgrunwald/rust-cpython](https://github.com/dgrunwald/rust-cpython) - Python bindings
* [getsentry/milksnake](https://github.com/getsentry/milksnake) - extension for python setuptools that allows you to distribute dynamic linked libraries in Python wheels in the most portable way imaginable.
* [PyO3/PyO3](https://github.com/PyO3/PyO3) - Rust bindings for the Python interpreter
* [RustPython](https://github.com/RustPython/RustPython) - A Python Interpreter written in Rust [](https://github.com/RustPython/RustPython/actions?query=workflow%3ACI)
* Ruby
* [d-unsed/ruru](https://github.com/d-unsed/ruru) - native Ruby extensions written in Rust
* [danielpclark/rutie](https://github.com/danielpclark/rutie) - native Ruby extensions written in Rust and vice versa
* Web Assembly
* [rhysd/wain](https://github.com/rhysd/wain) - wain: WebAssembly INterpreter from scratch in Safe Rust with zero dependency [](https://github.com/rhysd/wain/actions?query=workflow%3ACI+branch%3Amaster+event%3Apush)
* [rustwasm/wasm-bindgen](https://github.com/rustwasm/wasm-bindgen) - A project for facilitating high-level interactions between wasm modules and JS.
* [rustwasm/wasm-pack](https://github.com/rustwasm/wasm-pack) - :package: :sparkles: pack up the wasm and publish it to npm!

### Formatters

* [dprint](https://github.com/dprint/dprint) - A pluggable and configurable code formatting platform [](https://github.com/dprint/dprint/actions?query=workflow%3ACI)
* [Prettier Rust](https://github.com/jinxdash/prettier-plugin-rust) - An opinionated Rust code formatter that autofixes bad syntax ([Prettier](https://prettier.io/) community plugin)
* [rustfmt](https://github.com/rust-lang/rustfmt) - Rust code formatter maintained by the Rust team and included in cargo

### IDEs

See also [Are we (I)DE yet?](https://areweideyet.com/) and [Rust Tools](https://www.rust-lang.org/tools).

* [Eclipse](https://www.eclipse.org/)
* [Eclipse Corrosion](https://github.com/eclipse-corrosion/corrosion) - a Rust development plugin for the Eclipse IDE, providing a rich edition experience through integration with the Rust Analyzer language server, Cargo runner and gdb debugger
* [Emacs](https://www.gnu.org/software/emacs/)
* [emacs-racer](https://github.com/racer-rust/emacs-racer) - Autocompletion (see also [company](https://company-mode.github.io) and [auto-complete](https://github.com/auto-complete/auto-complete))
* [flycheck-rust](https://github.com/flycheck/flycheck-rust) - Rust support for [Flycheck](https://github.com/flycheck/flycheck)
* [rust-mode](https://github.com/rust-lang/rust-mode) - Rust Major Mode
* [rustic](https://github.com/brotzeit/rustic) - Rust development environment for Emacs [](https://github.com/brotzeit/rustic/actions?query=workflow%3ACI)
* [gitpod.io](https://gitpod.io) - Online IDE with full Rust support based on Rust Language Server
* [gnome-builder](https://wiki.gnome.org/Apps/Builder) - native support for rust and cargo since Version 3.22.2
* [IntelliJ](https://www.jetbrains.com/idea/)
* [intellij-rust/intellij-rust](https://github.com/intellij-rust/intellij-rust) - Rust plugin for the IntelliJ Platform
* [Kakoune](http://kakoune.org/)
* [kakoune-lsp](https://github.com/kakoune-lsp/kakoune-lsp/) - [LSP](https://microsoft.github.io/language-server-protocol/) client. Implemented in Rust and supports rls out of the box.
* [lapce](https://github.com/lapce/lapce) - Lightning-fast and Powerful Code Editor written in Rust. [](https://github.com/lapce/lapce/actions/workflows/release.yml)
* [Ride](https://github.com/madeso/ride) - A Rust IDE
* [RustRover](https://www.jetbrains.com/rust/) - A powerful Rust IDE by JetBrains, free for individual non-commercial use
* [Sublime Text](https://www.sublimetext.com/)
* [rust-lang/rust-enhanced](https://github.com/rust-lang/rust-enhanced) - official Rust package
* [Vim](https://vim.sourceforge.io/) - the ubiquitous text editor
* [autozimu/LanguageClient-neovim](https://github.com/autozimu/LanguageClient-neovim) - [LSP](https://microsoft.github.io/language-server-protocol/) client. Implemented in Rust and supports rls out of the box.
* [crates.nvim](https://github.com/Saecki/crates.nvim) - plugin that helps to managing crates.io dependencies.
* [rust.vim](https://github.com/rust-lang/rust.vim) - provides file detection, syntax highlighting, formatting, Syntastic integration, and more.
* [vim-racer](https://github.com/racer-rust/vim-racer) - allows vim to use [Racer](https://github.com/racer-rust/racer) for Rust code completion and navigation.
* Visual Studio
* [dgriffen/rls-vs2017](https://github.com/ZoeyR/rls-vs2017) - Rust support for Visual Studio 2017 Preview [](https://ci.appveyor.com/project/dgriffen/rls-vs2017)
* [PistonDevelopers/VisualRust](https://github.com/PistonDevelopers/VisualRust) - A Visual Studio extension for Rust [](https://ci.appveyor.com/project/vosen/visualrust)
* [Visual Studio Code](https://code.visualstudio.com/)
* [CodeLLDB](https://marketplace.visualstudio.com/items?itemName=vadimcn.vscode-lldb) - A LLDB extension
* [Dependi](https://marketplace.visualstudio.com/items?itemName=fill-labs.dependi) - Manage your dependencies with ease
* [Even Better TOML](https://marketplace.visualstudio.com/items?itemName=tamasfe.even-better-toml) - TOML support in vscode
* [Prettier - Code formatter (Rust)](https://marketplace.visualstudio.com/items?itemName=jinxdash.prettier-rust) - Opinionated Rust code formatter that autofixes bad syntax ([Prettier](https://prettier.io/) community plugin)
* [rust-analyzer](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer) - An alternative rust language server to the RLS

### Profiling

* [Bencher](https://github.com/bencherdev/bencher) - A suite of continuous benchmarking tools designed to catch performance regressions in CI
* [bheisler/criterion.rs](https://github.com/bheisler/criterion.rs) - Statistics-driven benchmarking library
* [Bytehound](https://github.com/koute/bytehound) - A memory profiler for Linux
* [Divan](https://github.com/nvzqz/divan) - Simple yet powerful benchmarking library with allocation profiling
* [ellisonch/rust-stopwatch](https://github.com/ellisonch/rust-stopwatch) - A stopwatch library
* FlameGraphs
* [llogiq/flame](https://github.com/llogiq/flame) - An intrusive flamegraph profiling tool for rust
* [mrhooray/torch](https://github.com/mrhooray/torch) - generates FlameGraphs based on DWARF Debug Info
* [sharkdp/hyperfine](https://github.com/sharkdp/hyperfine) - A command-line benchmarking tool

### Services

* [deps.rs](https://github.com/deps-rs/deps.rs) - Detect outdated or insecure dependencies
* [docs.rs](https://docs.rs) - Automatic documentation generation of crates

### Static analysis

[[assert](https://crates.io/keywords/assert), [static](https://crates.io/keywords/static)]

* [facebookexperimental/MIRAI](https://github.com/facebookexperimental/mirai) - an abstract interpreter operating on Rust's mid-level intermediate representation (MIR) [](https://github.com/facebookexperimental/mirai/actions/workflows/rust.yml)
* [static_assertions](https://crates.io/crates/static_assertions) - Compile-time assertions to ensure that invariants are met

### Testing

[[test](https://crates.io/keywords/test), [testing](https://crates.io/keywords/testing)]

* Code Coverage
* [tarpaulin](https://crates.io/crates/cargo-tarpaulin) - A code coverage tool
* Continuous Integration
* [trust](https://github.com/japaric/trust) - A Travis CI and AppVeyor template to test your Rust crate on 5 architectures and publish binary releases of it for Linux, macOS and Windows
* Frameworks and Runners
* [AlKass/polish](https://github.com/AlKass/polish) - Mini Testing/Test-Driven Framework [](https://crates.io/crates/polish)
* [cargo-dinghy](https://crates.io/crates/cargo-dinghy/) - A cargo extension to simplify running library tests and benches on smartphones and other small processor devices.
* [cucumber](https://crates.io/crates/cucumber) [](https://crates.io/crates/cucumber) - An implementation of the Cucumber testing framework for Rust. Fully native, no external test runners or dependencies. [](https://github.com/cucumber-rs/cucumber)
* [d-e-s-o/test-log](https://github.com/d-e-s-o/test-log) [[test-log](https://crates.io/crates/test-log)] - A replacement of the `#[test]` attribute that initializes logging and/or tracing infrastructure before running tests. [](https://github.com/d-e-s-o/test-log/actions/workflows/test.yml)
* [demonstrate](https://crates.io/crates/demonstrate) - Declarative Testing Framework [](https://github.com/aubaugh/demonstrate)
* [GoogleTest Rust](https://crates.io/crates/googletest) - Powerful test assertion framework based on the C++ test library GoogleTest [](https://github.com/google/googletest-rust/actions?query=workflow%3ACI+branch%3Amain)
* [rlt](https://github.com/wfxr/rlt) - A universal load testing framework, with real-time tui support.
* [rstest](https://crates.io/crates/rstest) - Fixture-based test framework [](https://github.com/la10736/rstest/actions)
* [speculate](https://crates.io/crates/speculate) - An RSpec inspired minimal testing framework
* Mocking and Test Data
* [asomers/mockall](https://github.com/asomers/mockall) [[mockall](https://crates.io/crates/mockall)] - A powerful mock object library. [](https://cirrus-ci.com/github/asomers/mockall)
* [fake-rs](https://github.com/cksac/fake-rs) - A library for generating fake data
* [goldenfile](https://github.com/calder/rust-goldenfile) [[goldenfile](https://crates.io/crates/goldenfile)] - A library providing a simple API for goldenfile testing.
* [httpmock](https://github.com/alexliesenfeld/httpmock) - HTTP mocking [](https://dev.azure.com/alexliesenfeld/httpmock/_build/latest?definitionId=2&branchName=master)
* [mockiato](https://crates.io/crates/mockiato) - A strict, yet friendly mocking library for unstable Rust 2018
* [mockito](https://crates.io/crates/mockito) - HTTP mocking
* [nrxus/faux](https://github.com/nrxus/faux/) [](https://crates.io/crates/faux) - A library to create mocks out of structs. 
* [synth](https://github.com/shuttle-hq/synth/) - Generate database data declaratively. [](https://github.com/shuttle-hq/synth)
* Mutation Testing
* [cargo-mutants](https://github.com/sourcefrog/cargo-mutants) [[cargo-mutants](https://crates.io/crates/cargo-mutants)] - Finds inadequately tested code by injecting mutations, no source changes required. [](https://github.com/sourcefrog/cargo-mutants/actions/workflows/tests.yml?query=branch%3Amain)
* [mutagen](https://github.com/llogiq/mutagen) [[mutagen](https://crates.io/crates/mutagen)] - A source-level mutation testing framework (nightly only)
* Property Testing and Fuzzing
* [proptest](https://crates.io/crates/proptest) - property testing framework inspired by the [Hypothesis](https://hypothesis.works/) framework for Python
* [quickcheck](https://crates.io/crates/quickcheck) - A Rust implementation of [QuickCheck](https://wiki.haskell.org/Introduction_to_QuickCheck1)
* [rust-fuzz/afl.rs](https://github.com/rust-fuzz/afl.rs) - A Rust fuzzer, using [AFL](https://lcamtuf.coredump.cx/afl/)

### Transpiling

* [BayesWitnesses/m2cgen](https://github.com/BayesWitnesses/m2cgen) - A CLI tool to transpile trained classic machine learning models into a native Rust code with zero dependencies. [](https://github.com/BayesWitnesses/m2cgen/actions)
* [immunant/c2rust](https://github.com/immunant/c2rust) - C to Rust translator and cross checker built atop Clang/LLVM.
* [jameysharp/corrode](https://github.com/jameysharp/corrode) - A C to Rust translator written in Haskell.

## Libraries

* [perf-monitor-rs](https://github.com/larksuite/perf-monitor-rs) - A toolkit designed to be a foundation for applications to monitor their performance. [](https://crates.io/crates/perf_monitor)

### Artificial Intelligence

#### Genetic algorithms

* [innoave/genevo](https://github.com/innoave/genevo) - Execute genetic algorithm (GA) simulations in a customizable and extensible way.
* [m-decoster/RsGenetic](https://github.com/m-decoster/RsGenetic) - Genetic Algorithm library. In maintenance mode.
* [Martin1887/oxigen](https://github.com/Martin1887/oxigen) - Fast, parallel, extensible and adaptable genetic algorithm library. A example using this library solves the N Queens problem for N = 255 in only few seconds and using less than 1 MB of RAM.
* [pkalivas/radiate](https://github.com/pkalivas/radiate) - A customizable parallel genetic programming engine capable of evolving solutions for supervised, unsupervised, and reinforcement learning problems. Comes with complete and customizable implementation of NEAT and Evtree.
* [willi-kappler/darwin-rs](https://github.com/willi-kappler/darwin-rs) - Evolutionary algorithms

#### Machine learning

See [[Machine learning](https://crates.io/keywords/machine-learning)]

See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_eng/about-rust-s-machine-learning-community-4cda5ec8a790#.hvkp56j3f) and [Are we learning yet?](https://www.arewelearningyet.com).

* [autumnai/leaf](https://github.com/autumnai/leaf) - Open Machine Intelligence framework.. Abandoned project. The most updated fork is [juice](https://github.com/fff-rs/juice).
* [burn](https://github.com/tracel-ai/burn) - A Flexible and Comprehensive Deep Learning Framework.
* [coreylowman/dfdx](https://github.com/coreylowman/dfdx) - CUDA accelerated machine learning framework that leverages many of Rust's unique features. 
* [guillaume-be/rust-bert](https://github.com/guillaume-be/rust-bert) [[rust_bert](https://crates.io/crates/rust_bert)] - Ready-to-use NLP pipelines and language models
* [huggingface/candle](https://github.com/huggingface/candle) [[candle-core](https://crates.io/crates/candle-core)] - a minimalist ML framework with a focus on easiness of use and on performance (including GPU support)
* [huggingface/tokenizers](https://github.com/huggingface/tokenizers) - Hugging Face's tokenizers for modern NLP pipelines (original implementation) with bindings for Python. [](https://github.com/huggingface/tokenizers/actions)
* [LaurentMazare/tch-rs](https://github.com/LaurentMazare/tch-rs) - Bindings for PyTorch.
* [maciejkula/rustlearn](https://github.com/maciejkula/rustlearn) - Machine learning library. [](https://app.circleci.com/pipelines/github/maciejkula/rustlearn)
* [perpetual-ml/perpetual](https://github.com/perpetual-ml/perpetual) [[perpetual](https://crates.io/crates/perpetual)] - A self-generalizing gradient boosting machine which doesn't need hyperparameter optimization.
* [rust-ml/linfa](https://github.com/rust-ml/linfa) - Machine learning framework.
* [smartcorelib/smartcore](https://github.com/smartcorelib/smartcore) - Machine Learning Library [](https://smartcorelib.org/)
* [tensorflow/rust](https://github.com/tensorflow/rust) - Bindings for TensorFlow.

#### OpenAI

* [64bit/async-openai](https://github.com/64bit/async-openai) [[async-openai](https://crates.io/crates/async-openai)] - Ergonomic Rust bindings for OpenAI API based on OpenAPI spec.
* [zurawiki/tiktoken-rs](https://github.com/zurawiki/tiktoken-rs) [[tiktoken-rs](https://crates.io/crates/tiktoken-rs)] - Library for tokenizing text with OpenAI models using tiktoken. [](https://github.com/zurawiki/tiktoken-rs/actions/workflows/ci.yml)

### Astronomy

[[astronomy](https://crates.io/keywords/astronomy)]

* [cds-astro/aladin-lite](https://github.com/cds-astro/aladin-lite) - Web application for visualizing spatial and planetary image surveys in different projections
* [fitsio](https://crates.io/crates/fitsio) - fits interface library wrapping cfitsio
* [flosse/rust-sun](https://github.com/flosse/rust-sun) [[sun](https://crates.io/crates/sun)] - A rust port of the JS library suncalc
* [saurvs/astro-rust](https://github.com/saurvs/astro-rust) - astronomy

### Asynchronous

* [async-std](https://async.rs/) [[async-std](https://crates.io/crates/async-std)] - Async version of the Rust standard library [](https://github.com/async-rs/async-std/actions/workflows/ci.yml)
* [dpc/mioco](https://github.com/dpc/mioco) - Scalable, coroutine-based, asynchronous IO handling library
* [igumnoff/gabriel2](https://github.com/igumnoff/gabriel2) [[gabriel2](https://crates.io/crates/gabriel2)] - Gabriel2: An actor-model library based on Tokio
* [mio](https://github.com/tokio-rs/mio) - MIO is a lightweight IO library, with a focus on adding as little overhead as possible over the OS abstractions
* [rust-lang/futures-rs](https://github.com/rust-lang/futures-rs) - Zero-cost futures
* [t3hmrman/async-dropper](https://github.com/t3hmrman/async-dropper) [[async-dropper](https://crates.io/crates/async-dropper)] - Implementation of `AsyncDrop`
* [TeaEntityLab/fpRust](https://github.com/TeaEntityLab/fpRust) - Monad/MonadIO, Handler, Coroutine/doNotation, Functional Programming features for Rust
* [tokio-rs/tokio](https://github.com/tokio-rs/tokio) - A runtime for writing reliable, asynchronous, and slim applications with the Rust programming language.
* [tqwewe/kameo](https://github.com/tqwewe/kameo) - Fault-tolerant Async Actors Built on Tokio
* [Xudong-Huang/may](https://github.com/Xudong-Huang/may) - Stackful coroutine library
* [zonyitoo/coio-rs](https://github.com/zonyitoo/coio-rs) - A coroutine I/O library with a working-stealing scheduler

### Audio and Music

[[audio](https://crates.io/keywords/audio)]

* [hound](https://crates.io/crates/hound) - A WAV encoding and decoding library
* [insomnimus/nodi](https://github.com/insomnimus/nodi) [[nodi](https://crates.io/crates/nodi)] - A library for playback and abstraction of MIDI files. [](https://github.com/insomnimus/nodi/actions)
* [jhasse/ears](https://github.com/jhasse/ears) - A simple library to play Sounds and Musics, on top of OpenAL and libsndfile
* [musitdev/portmidi-rs](https://github.com/musitdev/portmidi-rs) - [PortMidi](https://portmedia.sourceforge.net/portmidi/) bindings
* [ozankasikci/rust-music-theory](https://github.com/ozankasikci/rust-music-theory) - Music theory library
* [pdeljanov/Symphonia](https://github.com/pdeljanov/Symphonia) - Audio decoding and media demuxing library supporting AAC, FLAC, MP3, MP4, OGG, Vorbis, and WAV.
* [RustAudio](https://github.com/RustAudio)
* [RustAudio/cpal](https://github.com/RustAudio/cpal) - Low-level cross-platform audio I/O library. [](https://github.com/RustAudio/cpal/actions)
* [RustAudio/rodio](https://github.com/RustAudio/rodio) - Audio playback library
* [RustAudio/rust-portaudio](https://github.com/RustAudio/rust-portaudio) - PortAudio bindings
* [Serial-ATA/lofty-rs](https://github.com/Serial-ATA/lofty-rs) [[lofty](https://crates.io/crates/lofty)] - A library for reading and editing the metadata of various audio formats [](https://github.com/Serial-ATA/lofty-rs/actions)

### Authentication

* [constantoine/totp-rs](https://github.com/constantoine/totp-rs) [[totp-rs](https://crates.io/crates/totp-rs)] - 2fa library to generate and verify TOTP-based tokens 
* [Keats/jsonwebtoken](https://github.com/Keats/jsonwebtoken) - [JSON Web Token](https://en.wikipedia.org/wiki/JSON_Web_Token) library
* [oauth2](https://github.com/ramosbugs/oauth2-rs) - Extensible, strongly-typed OAuth2 client library
* [oxide-auth](https://github.com/HeroicKatora/oxide-auth) - A OAuth2 server library, for use in combination with actix or other frontends, featuring a set of configurable and pluggable backends [](https://cirrus-ci.com/github/HeroicKatora/oxide-auth)
* [sgrust01/jwtvault](https://github.com/sgrust01/jwtvault) - Async library to manage and orchestrate JWT workflow
* [yup-oauth2](https://github.com/dermesser/yup-oauth2) - An oauth2 client implementation providing the Device, Installed and Service Account flows

### Automotive

* [idletea/tokio-socketcan](https://github.com/idletea/tokio-socketcan) [[tokio-socketcan](https://crates.io/crates/tokio-socketcan)] - Linux SocketCAN support for tokio based on the socketcan crate
* [marcelbuesing/can-dbc](https://github.com/marcelbuesing/can-dbc) [[can-dbc](https://crates.io/crates/can-dbc)] - A parser for the DBC format
* [marcelbuesing/tokio-socketcan-bcm](https://github.com/marcelbuesing/tokio-socketcan-bcm) [[tokio-socketcan-bcm](https://crates.io/crates/tokio-socketcan-bcm)] - Linux SocketCAN BCM support for tokio
* [mbr/socketcan](https://github.com/socketcan-rs/socketcan-rs) [[socketcan](https://crates.io/crates/socketcan)] - Linux SocketCAN library
* [Sensirion/lin-bus](https://github.com/Sensirion/lin-bus-rs) [[lin-bus](https://crates.io/crates/lin-bus)] - LIN bus driver traits and protocol implementation [](https://app.circleci.com/pipelines/github/Sensirion/lin-bus-rs)

### Bioinformatics

* [Rust-Bio](https://github.com/rust-bio) - bioinformatics libraries.

### Caching

* [06chaynes/http-cache](https://github.com/06chaynes/http-cache) [[http-cache](https://crates.io/crates/http-cache)] - A caching middleware that follows HTTP caching rules [](https://github.com/06chaynes/http-cache/actions/workflows/http-cache.yml)
* [aisk/rust-memcache](https://github.com/aisk/rust-memcache) - Memcached client library
* [al8n/stretto](https://github.com/al8n/stretto) - A high performance thread-safe memory-bound cache [](https://github.com/al8n/stretto/actions/workflows/ci.yml)
* [jaemk/cached](https://github.com/jaemk/cached) - Simple function caching/memoization
* [moka-rs/moka](https://github.com/moka-rs/moka) - A high performance concurrent caching library inspired by the Caffeine library for Java [](https://github.com/moka-rs/moka/actions/workflows/CI.yml)
* [mozilla/sccache](https://github.com/mozilla/sccache/) - Shared Compilation Cache, great compilation
* [zkat/cacache-rs](https://github.com/zkat/cacache-rs) - A high-performance, concurrent, content-addressable disk cache, optimized for async APIs [](https://github.com/zkat/cacache-rs/actions/workflows/ci.yml)

### Cloud

* AWS [[aws](https://crates.io/keywords/aws)]
* [awslabs/aws-lambda-rust-runtime](https://github.com/awslabs/aws-lambda-rust-runtime) [[lambda_runtime](https://crates.io/crates/lambda_runtime)] - Runtime for AWS Lambda [](https://github.com/awslabs/aws-lambda-rust-runtime/actions)
* [awslabs/aws-sdk-rust](https://github.com/awslabs/aws-sdk-rust) - The new AWS SDK
* [rusoto/rusoto](https://github.com/rusoto/rusoto) - An AWS SDK for Rust
* Load Balancer
* [Convey](https://github.com/bparli/convey) - Layer 4 Load Balancer with dynamic configuration loading.
* Multi Cloud
* [Qovery/engine](https://github.com/Qovery/engine) - Abstraction layer library that turns easy application deployment on Cloud providers in just a few minutes

### Command-line

* Argument parsing
* [clap-rs](https://github.com/clap-rs/clap) [[clap](https://crates.io/crates/clap)] - A simple to use, full featured command-line argument parser
* [cliparser](https://crates.io/crates/cliparser) - Simple command line parser. [](https://github.com/sagiegurari/cliparser/actions)
* [docopt/docopt.rs](https://github.com/docopt/docopt.rs) [[docopt](https://crates.io/crates/docopt)] - Implementation of [DocOpt](http://docopt.org)
* [google/argh](https://github.com/google/argh) [[argh](https://crates.io/crates/argh)] - An opinionated Derive-based argument parser optimized for code size [](https://github.com/google/argh/actions)
* [killercup/quicli](https://github.com/killercup/quicli) [[quicli](https://crates.io/crates/quicli)] - quickly build cool CLI apps
* [ksk001100/seahorse](https://github.com/ksk001100/seahorse) [[seahorse](https://crates.io/crates/seahorse)] - A minimal CLI framework [](https://github.com/ksk001100/seahorse/actions)
* [TeXitoi/structopt](https://github.com/TeXitoi/structopt) [[structopt](https://crates.io/crates/structopt)] - parse command line argument by defining a struct
* Data visualization
* [nukesor/comfy-table](https://github.com/nukesor/comfy-table) [[comfy-table](https://crates.io/crates/comfy-table)] - Beautiful dynamic tables for your cli tools. [](https://github.com/nukesor/comfy-table/actions)
* [zhiburt/tabled](https://github.com/zhiburt/tabled) [[tabled](https://crates.io/crates/tabled)] - An easy to use library for pretty print tables of structs and enums. [](https://github.com/zhiburt/tabled/actions)
* Human-centered design
* [rust-cli/human-panic](https://github.com/rust-cli/human-panic) [[human-panic](https://crates.io/crates/human-panic)] - panic messages for humans
* Line editor
* [kkawakam/rustyline](https://github.com/kkawakam/rustyline) [[rustyline](https://crates.io/crates/rustyline)] - readline implementation
* [MovingtoMars/liner](https://github.com/MovingtoMars/liner) [[liner](https://crates.io/crates/liner)] - A library offering readline-like functionality
* [murarth/linefeed](https://github.com/murarth/linefeed) [[linefeed](https://crates.io/crates/linefeed)] - Configurable, extensible, interactive line reader
* [srijs/rust-copperline](https://github.com/srijs/rust-copperline) [[copperline](https://crates.io/crates/copperline)] - command line editing library
* Other
* [mgrachev/update-informer](https://github.com/mgrachev/update-informer) [[update-informer](https://crates.io/crates/update-informer)] - Update informer for CLI applications. It checks for a new version on Crates.io and GitHub [](https://github.com/mgrachev/update-informer/actions)
* Pipeline
* [hniksic/rust-subprocess](https://github.com/hniksic/rust-subprocess) [[subprocess](https://crates.io/crates/subprocess)] - facilities for interaction with external pipelines
* [imp/pager-rs](https://gitlab.com/imp/pager-rs) [[pager](https://crates.io/crates/pager)] - pipe your output through an external pager
* [oconnor663/duct.rs](https://github.com/oconnor663/duct.rs) [[duct](https://crates.io/crates/duct)] - A builder for subprocess pipelines and IO redirection
* [rust-cli/rexpect](https://github.com/rust-cli/rexpect) [[rexpect](https://crates.io/crates/rexpect)] - automate interactive applications such as ssh, ftp, passwd, etc [](https://github.com/rust-cli/rexpect/actions/workflows/ci.yml)
* [zhiburt/expectrl](https://github.com/zhiburt/expectrl) [[expectrl](https://crates.io/crates/expectrl)] - A library for controlling interactive programs in a pseudo-terminal [](https://github.com/zhiburt/expectrl/actions/workflows/ci.yml)
* Progress
* [a8m/pb](https://github.com/a8m/pb) [[pbr](https://crates.io/crates/pbr)] - console progress bar
* [console-rs/indicatif](https://github.com/console-rs/indicatif) [[indicatif](https://crates.io/crates/indicatif)] - indicate progress to users
* [etienne-napoleone/spinach](https://github.com/etienne-napoleone/spinach) [[spinach](https://crates.io/crates/spinach)] - Practical spinner. [](https://github.com/etienne-napoleone/spinach/actions/workflows/ci.yml)
* [FGRibreau/spinners](https://github.com/FGRibreau/spinners) [[spinners](https://crates.io/crates/spinners)] - 60+ elegant terminal spinners
* Prompt
* [hashmismatch/terminal_cli.rs](https://github.com/hashmismatch/terminal_cli.rs) [[terminal_cli](https://crates.io/crates/terminal_cli)] - build an interactive command prompt
* [mikaelmello/inquire](https://github.com/mikaelmello/inquire) [[inquire](https://crates.io/crates/inquire)] - A library for building interactive prompts on terminals. [](https://github.com/mikaelmello/inquire/actions)
* [starship/starship](https://starship.rs/) [[starship](https://crates.io/crates/starship)] - A minimal, blazing fast, and extremely customizable prompt for any shell [](https://github.com/starship/starship/actions)
* [ynqa/promkit](https://github.com/ynqa/promkit) [[promkit](https://crates.io/crates/promkit)] - A toolkit for building interactive command-line tools [](https://github.com/ynqa/promkit/actions/workflows/ci.yml)
* Style
* [colored](https://github.com/colored-rs/colored) [[colored](https://crates.io/crates/colored)] - Coloring terminal so simple, you already know how to do it!
* [console-rs/dialoguer](https://github.com/console-rs/dialoguer) [[dialoguer](https://crates.io/crates/dialoguer)] - Library for command line prompts and similar things.
* [LukasKalbertodt/bunt](https://github.com/LukasKalbertodt/bunt) [[bunt](https://crates.io/crates/bunt)] - cross-platform terminal colors and styling with macros [](https://github.com/LukasKalbertodt/bunt/actions?query=workflow%3ACI+branch%3Amaster)
* [LukasKalbertodt/term-painter](https://github.com/LukasKalbertodt/term-painter) [[term-painter](https://crates.io/crates/term-painter)] - cross-platform styled terminal output
* [ogham/rust-ansi-term](https://github.com/ogham/rust-ansi-term) [[ansi_term](https://crates.io/crates/ansi_term)] - control colours and formatting on ANSI terminals
* [SergioBenitez/yansi](https://github.com/SergioBenitez/yansi) [[yansi](https://crates.io/crates/yansi)] - A dead simple ANSI terminal color painting library
* TUI
* BearLibTerminal
* [cfyzium/bearlibterminal](https://github.com/nabijaczleweli/BearLibTerminal.rs) [[bear-lib-terminal](https://crates.io/crates/bear-lib-terminal)] - [BearLibTerminal](https://github.com/tommyettinger/BearLibTerminal) bindings
* [gyscos/Cursive](https://github.com/gyscos/Cursive) [[cursive](https://crates.io/crates/cursive)] - build rich TUI applications
* [ivanceras/titik](https://github.com/ivanceras/titik) - a crossplatform TUI widget library with the goal of providing interactive widgets
* ncurses
* [ihalila/pancurses](https://github.com/ihalila/pancurses) [[pancurses](https://crates.io/crates/pancurses)] - curses library, supports linux and windows
* [jeaye/ncurses-rs](https://github.com/jeaye/ncurses-rs) [[ncurses](https://crates.io/crates/ncurses)] - [ncurses](https://www.gnu.org/software/ncurses/) bindings
* [ogham/rust-term-grid](https://github.com/ogham/rust-term-grid) [[term_grid](https://crates.io/crates/term_grid)] - Library for putting things in a grid
* [ratatui-org/ratatui](https://github.com/ratatui/ratatui) [[ratatui](https://crates.io/crates/ratatui)] - Library that's all about cooking up terminal user interfaces (TUIs)
* [redox-os/termion](https://github.com/redox-os/termion) [[termion](https://crates.io/crates/termion)] - bindless library for controlling terminals/TTY
* [ruterm](https://crates.io/crates/ruterm) - tiny & simple library for working with TTY
* Termbox
* [gchp/rustbox](https://github.com/gchp/rustbox) [[rustbox](https://crates.io/crates/rustbox)] - bindings to [Termbox](https://github.com/nsf/termbox)
* [TimonPost/crossterm](https://github.com/crossterm-rs/crossterm) [[crossterm](https://crates.io/crates/crossterm)] - crossplatform terminal library

### Compression

* [7z](https://7-zip.org/7z.html)
* [[sevenz-rust](https://crates.io/crates/sevenz-rust)] - A 7z decompressor/compressor written in pure rust.
* [Brotli](https://opensource.googleblog.com/2015/09/introducing-brotli-new-compression.html)
* [dropbox/rust-brotli](https://github.com/dropbox/rust-brotli) - Brotli decompressor that optionally avoids the stdlib
* [ende76/brotli-rs](https://github.com/ende76/brotli-rs) - implementation of Brotli compression
* bzip2
* [alexcrichton/bzip2-rs](https://github.com/alexcrichton/bzip2-rs) - [libbz2](https://www.sourceware.org/bzip2/) bindings
* gzip
* [zopfli](https://github.com/zopfli-rs/zopfli) [[zopfli](https://crates.io/crates/zopfli)] - implementation of the Zopfli compression algorithm for higher quality deflate or zlib compression
* gzp
* [sstadick/gzp](https://github.com/sstadick/gzp/) - multi-threaded encoding and decoding of deflate formats and snappy
* miniz
* [rust-lang/flate2-rs](https://github.com/rust-lang/flate2-rs) - [miniz](https://code.google.com/archive/p/miniz) bindings [](https://github.com/rust-lang/flate2-rs/actions)
* tar
* [alexcrichton/tar-rs](https://github.com/alexcrichton/tar-rs) - tar archive reading/writing
* zip
* [zip-rs/zip2](https://github.com/zip-rs/zip2) [[zip](https://crates.io/crates/zip)] - read and write ZIP archives
* zstd
* [gyscos/zstd-rs](https://github.com/gyscos/zstd-rs) - rust binding for the zstd compression library

### Computation

* [argmin-rs/argmin](https://github.com/argmin-rs/argmin) [[argmin](https://crates.io/crates/argmin)] - Optimization library
* [BLAS](https://en.wikipedia.org/wiki/Basic_Linear_Algebra_Subprograms) [[blas](https://crates.io/keywords/blas)]
* [mikkyang/rust-blas](https://github.com/mikkyang/rust-blas) - BLAS bindings
* [calebwin/emu](https://github.com/calebwin/emu) - A language for GPGPU numerical computing
* [dimforge/nalgebra](https://github.com/dimforge/nalgebra) - low-dimensional linear algebra library
* [faer-rs](https://github.com/sarah-ek/faer-rs) [[faer](https://crates.io/crates/faer)] - Linear algebra foundation for Rust
* [GSL](http://www.gnu.org/software/gsl/)
* [GuillaumeGomez/rust-GSL](https://github.com/GuillaumeGomez/rust-GSL) - GSL bindings
* [LAPACK](https://en.wikipedia.org/wiki/LAPACK)
* [stainless-steel/lapack](https://github.com/blas-lapack-rs/lapack) - LAPACK bindings
* Parallel
* [arrayfire/arrayfire-rust](https://github.com/arrayfire/arrayfire-rust) - [Arrayfire](https://github.com/arrayfire) bindings
* [autumnai/collenchyma](https://github.com/autumnai/collenchyma) - An extensible, pluggable, backend-agnostic framework for parallel, high-performance computations on CUDA, OpenCL and common host CPU.
* [luqmana/rust-opencl](https://github.com/luqmana/rust-opencl) - [OpenCL](https://www.khronos.org/opencl/) bindings
* Science
* [Axect/Peroxide](https://github.com/Axect/Peroxide) - Rust numeric library containing linear algebra, numerical analysis, statistics and machine learning tools in pure rust
* [cpmech/russell](https://github.com/cpmech/russell) - Rust Scientific Library for numerical mathematics, ordinary differential equations, special math functions, high-performance (sparse) linear algebra
* Statrs
* [statrs-dev/statrs](https://github.com/statrs-dev/statrs) - Robust statistical computation library

### Concurrency

* [crossbeam-rs/crossbeam](https://github.com/crossbeam-rs/crossbeam) - Support for parallelism and low-level concurrency
* [orium/archery](https://github.com/orium/archery) [[archery](https://crates.io/crates/archery)] - Library to abstract from `Rc`/`Arc` pointer types. [](https://github.com/orium/archery/actions?query=workflow%3ACI)
* [Rayon](https://github.com/rayon-rs/rayon) - A data parallelism library
* [rustcc/coroutine-rs](https://github.com/rustcc/coroutine-rs) - Coroutine Library
* [zonyitoo/coio-rs](https://github.com/zonyitoo/coio-rs) - Coroutine I/O

### Configuration

* [andoriyu/uclicious](https://github.com/andoriyu/uclicious) [[uclicious](https://crates.io/crates/uclicious)] - [libUCL](https://github.com/vstakhov/libucl) based feature-rich configuration library. [](https://app.circleci.com/pipelines/github/vstakhov/libucl)
* [Kixunil/configure_me](https://github.com/Kixunil/configure_me) [[configure_me](https://crates.io/crates/configure_me)] - library for processing application configuration easily
* [mehcode/config-rs](https://github.com/mehcode/config-rs) [[config](https://crates.io/crates/config)] - Layered configuration system (with strong support for 12-factor applications).
* [SergioBenitez/Figment](https://github.com/SergioBenitez/Figment) [[figment](https://crates.io/crates/figment)] - A configuration library so con-free, it's unreal.
* [softprops/envy](https://github.com/softprops/envy) - deserialize env vars into typesafe structs [](https://github.com/softprops/envy/actions/workflows/main.yml)

### Cryptography

[[crypto](https://crates.io/keywords/crypto), [cryptography](https://crates.io/keywords/cryptography)]

* [arkworks-rs/circom-compat](https://github.com/arkworks-rs/circom-compat) - Arkworks bindings to Circom's R1CS, for Groth16 Proof and Witness generation.
* [briansmith/ring](https://github.com/briansmith/ring) - Safe, fast, small crypto using Rust and BoringSSL's cryptography primitives.
* [briansmith/webpki](https://github.com/briansmith/webpki) - Web PKI TLS X.509 certificate validation.
* [conradkleinespel/rooster](https://github.com/conradkleinespel/rooster) [[rooster](https://crates.io/crates/rooster)] - Simple password manager to use in your terminal
* [cossacklabs/themis](https://github.com/cossacklabs/themis) [[themis](https://crates.io/crates/themis)] - a high-level cryptographic library for solving typical data security tasks, best fit for multi-platform apps. [](https://app.circleci.com/pipelines/github/cossacklabs/themis)
* [DaGenix/rust-crypto](https://github.com/DaGenix/rust-crypto) - cryptographic algorithms
* [dalek-cryptography/curve25519-dalek](https://github.com/dalek-cryptography/curve25519-dalek) - Curve25519 operations
* [dalek-cryptography/ed25519-dalek](https://github.com/dalek-cryptography/ed25519-dalek) - Ed25519 digital signatures
* [dalek-cryptography/x25519-dalek](https://github.com/dalek-cryptography/x25519-dalek) - X25519 key exchange
* [debris/tiny-keccak](https://github.com/debris/tiny-keccak) - Keccak family (SHA3)
* [exonum/exonum](https://github.com/exonum/exonum) [[exonum](https://crates.io/crates/exonum)] - extensible framework for blockchain projects
* [facebook/opaque-ke](https://github.com/facebook/opaque-ke) - Implementation of the recent [OPAQUE](https://datatracker.ietf.org/doc/draft-krawczyk-cfrg-opaque/) password-authenticated key exchange. [](https://github.com/facebook/opaque-ke)
* [iddm/randomorg](https://github.com/iddm/randomorg) - A random.org client library. [](https://crates.io/crates/randomorg)
* [klutzy/suruga](https://github.com/klutzy/suruga) - Implementation of [TLS 1.2](https://datatracker.ietf.org/doc/html/rfc5246)
* [kornelski/rust-security-framework](https://github.com/kornelski/rust-security-framework) - Bindings for Security Framework (OSX native)
* [libOctavo/octavo](https://github.com/libOctavo/octavo) - Modular hash and crypto library
* [orion-rs/orion](https://github.com/orion-rs/orion) - This library aims to provide easy and usable crypto. 'Usable' meaning exposing high-level API's that are easy to use and hard to misuse. [](https://github.com/orion-rs/orion/actions/workflows/test.yml)
* [racum/rust-djangohashers](https://github.com/racum/rust-djangohashers) [[djangohashers](https://crates.io/crates/djangohashers)] - Port of the password primitives used in the Django Project. It doesn't require Django, only hashes and validates passwords according to its style.
* [RustCrypto/hashes](https://github.com/RustCrypto/hashes) - Collection of cryptographic hash functions
* [rustls/rustls](https://github.com/rustls/rustls) - Implementation of TLS
* [sfackler/rust-native-tls](https://github.com/sfackler/rust-native-tls) - Bindings for native TLS libraries
* [sfackler/rust-openssl](https://github.com/sfackler/rust-openssl) - [OpenSSL](https://www.openssl.org/) bindings
* [sorairolake/abcrypt](https://github.com/sorairolake/abcrypt) [[abcrypt](https://crates.io/crates/abcrypt)] - A simple, modern and secure file encryption library. [](https://github.com/sorairolake/abcrypt/actions?query=workflow%3ACI)
* [sorairolake/scryptenc-rs](https://github.com/sorairolake/scryptenc-rs) [[scryptenc](https://crates.io/crates/scryptenc)] - An implementation of the scrypt encrypted data format. [](https://github.com/sorairolake/scryptenc-rs/actions?query=workflow%3ACI)
* [w3f/schnorrkel](https://github.com/w3f/schnorrkel) - Schnorr VRFs and signatures on the Ristretto group

### Data processing

* [amv-dev/yata](https://github.com/amv-dev/yata) - high performance technical analysis library [](https://github.com/amv-dev/yata/actions?query=workflow%3ARust)
* [bluss/ndarray](https://github.com/rust-ndarray/ndarray) - N-dimensional array with array views, multidimensional slicing, and efficient operations
* [datafusion](https://github.com/apache/datafusion) - DataFusion is a very fast, extensible query engine for building high-quality data-centric systems in Rust, using the Apache Arrow in-memory format.
* [kernelmachine/utah](https://github.com/kernelmachine/utah) - Dataframe structure and operations
* [pg_analytics](https://github.com/paradedb/paradedb/tree/dev/pg_analytics) - PostgreSQL extension that accelerates analytical query processing inside Postgres to a performance level comparable to dedicated OLAP databases.
* [pg_lakehouse](https://github.com/paradedb/paradedb/tree/dev/pg_lakehouse) - PostgreSQL extension that transforms Postgres into an analytical query engine over object stores like AWS S3/GCS and table formats like Delta Lake/Iceberg.
* [pola-rs/polars](https://github.com/pola-rs/polars) - Fast feature complete DataFrame library 
* [weld-project/weld](https://github.com/weld-project/weld) - High-performance runtime for data analytics applications

### Data streaming

* [ArroyoSystems/arroyo](https://github.com/ArroyoSystems/arroyo) - High-performance real-time analytics in Rust and SQL [](https://github.com/ArroyoSystems/arroyo/actions)
* [iggy-rs/iggy](https://github.com/iggy-rs/iggy) [[iggy](https://crates.io/crates/iggy)] - Persistent message streaming platform, supporting QUIC, TCP and HTTP transport protocols [](https://github.com/iggy-rs/iggy/actions/workflows/test.yml)
* [infinyon/fluvio](https://github.com/infinyon/fluvio) - Programmable data streaming platform [](https://github.com/infinyon/fluvio/actions)
* [swimos/swim-rust](https://github.com/swimos/swim-rust) [[swim-rust](https://crates.io/crates/swimos)] - Self-contained distributed software platform for building stateful, massively real-time streaming applications.

### Data structures

* [ashvardanian/simsimd](https://github.com/ashvardanian/SimSIMD) - SIMD-accelerated vector distances and similarity functions for x86 AVX2 & AVX-512, and Arm NEON [](https://crates.io/crates/simsimd)
* [becheran/grid](https://github.com/becheran/grid) [[grid](https://crates.io/crates/grid)] - Provide a two dimensional data structure that is easy to use and fast. [](https://github.com/becheran/grid/actions)
* [billyevans/tst](https://github.com/billyevans/tst) [[tst](https://crates.io/crates/tst)] - Ternary search tree collection
* [contain-rs](https://github.com/contain-rs) - Extension of Rust's std::collections
* [danielpclark/array_tool](https://github.com/danielpclark/array_tool) - Array helpers. Some of the most common methods you would use on Arrays made available on Vectors. Polymorphic implementations for handling most of your use cases.
* [fizyk20/generic-array](https://github.com/fizyk20/generic-array) - a hack to allow for arrays sized by typenums
* [garro95/priority-queue](https://github.com/garro95/priority-queue)[[priority-queue](https://crates.io/crates/priority-queue)] - A priority queue that implements priority changes.
* [greyblake/nutype](https://github.com/greyblake/nutype) [[nutype](https://crates.io/crates/nutype)] - define newtype structures with validation constraints. [](https://github.com/greyblake/nutype/actions)
* [mrhooray/kdtree-rs](https://github.com/mrhooray/kdtree-rs) - K-dimensional tree for fast geospatial indexing and nearest neighbors lookup
* [orium/rpds](https://github.com/orium/rpds) [[rpds](https://crates.io/crates/rpds)] - Persistent data structures. [](https://github.com/orium/rpds/actions?query=workflow%3ACI)
* [RoaringBitmap/roaring-rs](https://github.com/RoaringBitmap/roaring-rs) - Roaring Bitmaps
* [rust-itertools/itertools](https://github.com/rust-itertools/itertools) - Extra iterator adaptors, functions and macros
* [tnballo/scapegoat](https://github.com/tnballo/scapegoat) [[scapegoat](https://crates.io/crates/scapegoat)] - Safe, fallible, stack-only alternative to `BTreeSet` and `BTreeMap`. [](https://github.com/tnballo/scapegoat/actions)
* [xfix/enum-map](https://codeberg.org/xfix/enum-map) [[enum-map](https://crates.io/crates/enum-map)] - An optimized map implementation for enums using an array to store values.
* [yamafaktory/hypergraph](https://github.com/yamafaktory/hypergraph) [[hypergraph](https://crates.io/crates/hypergraph)] - Hypergraph is a data structure library to generate directed hypergraphs. [](https://github.com/yamafaktory/hypergraph/actions/workflows/ci.yml)

### Data visualization

* [blitzarx1/egui_graphs](https://github.com/blitzarx1/egui_graphs) [[egui_graphs](https://crates.io/crates/egui_graphs)] - Interactive graph visualization widget powered by egui and petgraph. [](https://crates.io/crates/egui_graphs) [](https://docs.rs/egui_graphs)
* [djduque/pgfplots](https://github.com/djduque/pgfplots) [[pgfplots](https://crates.io/crates/pgfplots)] - Library to generate publication-quality figures. [](https://github.com/DJDuque/pgfplots/actions/workflows/rust.yml)
* [mazznoer/colorgrad-rs](https://github.com/mazznoer/colorgrad-rs) [[colorgrad](https://crates.io/crates/colorgrad)] - Color scales library for data visualization, charts, games, maps, generative art and others.
* [milliams/plotlib](https://github.com/milliams/plotlib) - Data plotting library for Rust
* [plotly](https://github.com/plotly/plotly.rs) - Plotly for Rust
* [plotpy](https://github.com/cpmech/plotpy) [[plotpy](https://crates.io/crates/plotpy)] - Rust plotting library using Python (Matplotlib)
* [plotters](https://github.com/plotters-rs/plotters) - [](https://github.com/plotters-rs/plotters/actions)
* [rerun](https://github.com/rerun-io/rerun) - [[rerun](https://crates.io/crates/rerun)] - An SDK for logging computer vision and robotics data (tensors, point clouds, etc) paired with a visualizer for exploring that data over time.
* [saresend/gust](https://github.com/saresend/Gust) - A small charting/visualization tool and partial vega implementation

### Database

[[database](https://crates.io/keywords/database)]

* NoSQL [[nosql](https://crates.io/keywords/nosql)]

* [ArangoDB](https://arangodb.com)
* [Aragog](https://gitlab.com/qonfucius/aragog) [[aragog](https://crates.io/crates/aragog)] - A Lightweight ArangoDB Object document, relational and graph mapper [](https://gitlab.com/qonfucius/aragog/-/commits/master)
* [Arangors](https://github.com/fMeow/arangors) [[arangors](https://crates.io/crates/arangors)] - An ArangoDB driver
* [Cassandra](https://cassandra.apache.org/_/index.html) [[cassandra](https://crates.io/keywords/cassandra), [cql](https://crates.io/keywords/cql)]
* [AlexPikalov/cdrs](https://github.com/AlexPikalov/cdrs) [[cdrs](https://crates.io/crates/cdrs)] - native client
* [cassandra-rs](https://github.com/cassandra-rs/cassandra-rs) - bindings to the DataStax C/C++
* [krojew/cdrs-tokio](https://github.com/krojew/cdrs-tokio) - High-level async Cassandra client written in 100% Rust. [](https://github.com/krojew/cdrs-tokio/actions)
* [[cassandra-protocol](https://crates.io/crates/cassandra-protocol)] - Cassandra protocol implementation.
* [[cdrs-tokio](https://crates.io/crates/cdrs-tokio)] - production-ready async Apache Cassandra driverclient
* CouchDB [[couchdb](https://crates.io/keywords/couchdb)]
* [chill-rs/chill](https://github.com/chill-rs/chill) [[couchdb](https://crates.io/crates/chill)] - Client for the CouchDB REST API
* [DynamoDB](https://aws.amazon.com/dynamodb/) [[dynamodb](https://crates.io/keywords/dynamodb)]
* [softprops/dynomite](https://github.com/softprops/dynomite) - A library for strongly-typed and convenient interaction with `rusoto_dynamodb` [](https://github.com/softprops/dynomite/actions)
* Elasticsearch [[elasticsearch](https://crates.io/keywords/elasticsearch)]
* [benashford/rs-es](https://github.com/benashford/rs-es) [[rs-es](https://crates.io/crates/rs-es)] - Client for the [Elastic](https://www.elastic.co/) REST API
* [elastic-rs/elastic](https://github.com/elastic-rs/elastic) [[elastic](https://crates.io/crates/elastic)] - elastic is an efficient, modular API client for Elasticsearch written in Rust [](https://ci.appveyor.com/project/KodrAus/elastic)
* etcd
* [jimmycuadra/rust-etcd](https://github.com/jimmycuadra/rust-etcd) [[etcd](https://crates.io/crates/etcd)] - A client library for CoreOS's etcd.
* [InfluxDB](https://www.influxdata.com/)
* [driftluo/InfluxDBClient-rs](https://github.com/driftluo/InfluxDBClient-rs) - Synchronization interface
* LevelDB
* [skade/leveldb](https://github.com/skade/leveldb) - [LevelDB](https://github.com/google/leveldb) bindings
* LMDB [[lmdb](https://crates.io/keywords/lmdb)]
* [vhbit/lmdb-rs](https://github.com/vhbit/lmdb-rs) [[lmdb-rs](https://crates.io/crates/lmdb-rs)] - [LMDB](https://www.symas.com/symas-embedded-database-lmdb) bindings
* MongoDB [[mongodb](https://crates.io/keywords/mongodb)]
* [mongodb/mongo-rust-driver](https://github.com/mongodb/mongo-rust-driver) [[mongodb](https://crates.io/crates/mongodb)] - [MongoDB](https://www.mongodb.com/) bindings
* [PickleDB](https://pythonhosted.org/pickleDB/)
* [seladb/pickledb-rs](https://github.com/seladb/pickledb-rs) - a lightweight and simple key-value store, heavily inspired by Python's PickleDB.
* [PoloDB](https://www.polodb.org/)
* [PoloDB](https://github.com/PoloDB/PoloDB) - An embedded JSON-based database has API similar to MongoDB. 
* [Redb](https://www.redb.org/)
* [Redb](https://github.com/cberner/redb) - An embedded key-value database. It provides a similar interface to other embedded key-value stores such as rocksdb and lmdb. 
* Redis [[redis](https://crates.io/keywords/redis)]
* [aembke/fred](https://github.com/aembke/fred.rs) [[fred](https://crates.io/crates/fred)] - A high level async [Redis](https://redis.io/) client for Rust with Tokio. []([https://circleci.com/gh/aembke/fred.rs/tree/main](https://app.circleci.com/pipelines/github/aembke/fred.rs?branch=main))
* [redis-rs](https://github.com/redis-rs/redis-rs) - [Redis](https://redis.io/) library [](https://github.com/redis-rs/redis-rs/actions/workflows/rust.yml)
* [RocksDB](https://rocksdb.org/)
* [rust-rocksdb/rust-rocksdb](https://github.com/rust-rocksdb/rust-rocksdb) - RocksDB bindings [](https://github.com/rust-rocksdb/rust-rocksdb/actions/workflows/rust.yml)
* [SurrealDB](https://surrealdb.com/)
* [surrealdb/surrealdb](https://github.com/surrealdb/surrealdb) - SurrealDB embedded document-graph database
* [UnQLite](https://github.com/symisc/unqlite)
* [zitsen/unqlite.rs](https://github.com/zitsen/unqlite.rs) - UnQLite bindings
* [ZooKeeper](https://zookeeper.apache.org/)
* [bonifaido/rust-zookeeper](https://github.com/bonifaido/rust-zookeeper) [[zookeeper](https://crates.io/crates/zookeeper)] - A client library for Apache ZooKeeper.
* [krojew/rust-zookeeper](https://github.com/krojew/rust-zookeeper) [[zookeeper-async](https://crates.io/crates/zookeeper-async)] - Async Zookeeper client, based on tokio. 
* OGM [[ogm](https://crates.io/keywords/ogm)]
* [Aragog](https://gitlab.com/qonfucius/aragog) [[aragog](https://crates.io/crates/aragog)] - A Lightweight ArangoDB Object document, relational and graph mapper [](https://gitlab.com/qonfucius/aragog/-/commits/master)
* ORM [[orm](https://crates.io/keywords/orm)]
* [Brendonovich/prisma-client-rust](https://github.com/Brendonovich/prisma-client-rust) - An autogenerated query builder that provides simple and fully type-safe database access using the Prisma ecosystem. [](https://github.com/Brendonovich/prisma-client-rust/actions)
* [diesel-rs/diesel](https://github.com/diesel-rs/diesel) - an ORM and Query builder
* [ivanceras/rustorm](https://github.com/ivanceras/rustorm) - an ORM
* [mjovanc/njord](https://github.com/mjovanc/njord) - ⛵ A lightweight ORM library for Rust [](https://github.com/mjovanc/njord/actions/workflows/ci.yml) 
* [rbatis/rbatis](https://github.com/rbatis/rbatis) - ORM Framework High Performance(JSON based)
* [SeaQL/sea-orm](https://github.com/SeaQL/sea-orm) - 🐚 An async & dynamic ORM [](https://crates.io/crates/sea-orm) [](https://docs.rs/sea-orm) [](https://github.com/SeaQL/sea-orm/actions/workflows/rust.yml)
* [SeaQL/seaography](https://github.com/SeaQL/seaography) - 🧭 GraphQL framework for SeaORM [](https://crates.io/crates/seaography) [](https://docs.rs/seaography) [](https://github.com/SeaQL/seaography/actions/workflows/tests.yaml)
* [sfackler/r2d2](https://github.com/sfackler/r2d2) - generic connection pool
* SQL [[sql](https://crates.io/keywords/sql)]
* Generic
* [launchbadge/sqlx](https://github.com/launchbadge/sqlx) - async PostgreSQL/MySQL/SQLite connection pool with strong typing support [](https://github.com/launchbadge/sqlx)
* [SeaQL/sea-query](https://github.com/SeaQL/sea-query) - 🔱 A dynamic SQL query builder for MySQL, Postgres and SQLite [](https://crates.io/crates/sea-query) [](https://docs.rs/sea-query) [](https://github.com/SeaQL/sea-query/actions/workflows/rust.yml)
* [SeaQL/sea-schema](https://github.com/SeaQL/sea-schema) - 🌿 SQL schema definition and discovery [](https://crates.io/crates/sea-schema) [](https://docs.rs/sea-schema) [](https://github.com/SeaQL/sea-schema/actions/workflows/rust.yml)
* Microsoft SQL
* [prisma/tiberius](https://github.com/prisma/tiberius) - [](https://github.com/prisma/tiberius/actions/workflows/test.yml)
* MySql [[mysql](https://crates.io/keywords/mysql)]
* [AgilData/mysql-proxy-rs](https://github.com/AgilData/mysql-proxy-rs) - A MySQL Proxy [](https://app.circleci.com/pipelines/github/AgilData/mysql-proxy-rs?branch=master)
* [blackbeam/mysql_async](https://github.com/blackbeam/mysql_async) [[mysql_async](https://crates.io/crates/mysql_async)] - asynchronous Mysql driver based on Tokio. [](https://app.circleci.com/pipelines/github/blackbeam/mysql_async?branch=master)
* [blackbeam/rust-mysql-simple](https://github.com/blackbeam/rust-mysql-simple) [[mysql](https://crates.io/crates/mysql)] - A native MySql client
* Oracle
* [kubo/rust-oracle](https://github.com/kubo/rust-oracle) [[oracle](https://crates.io/crates/oracle)] - Oracle driver [](https://github.com/kubo/rust-oracle/actions/workflows/run-tests.yml)
* PostgreSql [[postgres](https://crates.io/keywords/postgres), [postgresql](https://crates.io/keywords/postgresql)]
* [c410-f3r/wtx](https://github.com/c410-f3r/wtx) - Fast implementation with a low set of external dependencies.
* [sfackler/rust-postgres](https://github.com/sfackler/rust-postgres) [[postgres](https://crates.io/crates/postgres)] - A native [PostgreSQL](https://www.postgresql.org/) client
* Sqlite [[sqlite](https://crates.io/keywords/sqlite)]
* [rusqlite](https://github.com/rusqlite/rusqlite) - [Sqlite3](https://www.sqlite.org/index.html) bindings

### Date and time

[[date](https://crates.io/keywords/date), [time](https://crates.io/keywords/time)]

* [arthurhenrique/rusti-cal](https://github.com/arthurhenrique/rusti-cal) [[rusti-cal](https://crates.io/crates/rusti-cal)] - A cal(1) clone lightning-fast ~ more than 9999 years ~ Written in Rust.
* [chronotope/chrono](https://github.com/chronotope/chrono) - Date and time library
* [Mnwa/ms](https://github.com/Mnwa/ms) [[ms-converter](https://crates.io/crates/ms-converter)] - it's a library for converting human-like times to milliseconds [](https://github.com/Mnwa/ms/actions?query=workflow%3Abuild)
* [sorairolake/nt-time](https://github.com/sorairolake/nt-time) [[nt-time](https://crates.io/crates/nt-time)] - A Windows file time library. [](https://github.com/sorairolake/nt-time/actions?query=workflow%3ACI)
* [time-rs/time](https://github.com/time-rs/time) - [](https://github.com/time-rs/time/actions)

### Distributed systems

* Antimony
* [antimonyproject/antimony](https://github.com/antimonyproject/antimony) [[antimony](https://crates.io/crates/antimony)] - stream processing / distributed computation platform
* Apache Kafka
* [fede1024/rust-rdkafka](https://github.com/fede1024/rust-rdkafka) [[rdkafka](https://crates.io/crates/rdkafka)] - [librdkafka](https://github.com/confluentinc/librdkafka) bindings
* [gklijs/schema_registry_converter](https://github.com/gklijs/schema_registry_converter) [[schema_registry_converter](https://crates.io/crates/schema_registry_converter)] - to integrate with [confluent schema registry](https://www.confluent.io/product/confluent-platform/data-compatibility/)
* [kafka-rust/kafka-rust](https://github.com/kafka-rust/kafka-rust) - Rust client for Apache Kafka
* HDFS
* [hyunsik/hdfs-rs](https://github.com/hyunsik/hdfs-rs) [[hdfs](https://crates.io/crates/hdfs)] - libhdfs bindings
* Other
* [build-trust/ockam](https://github.com/build-trust/ockam) [[ockam](https://crates.io/crates/ockam)] - End-to-End Encryption, Mutual Authentication, and ABAC for distributed applications [](https://github.com/build-trust/ockam)

### Domain driven design

* [serverlesstechnology/cqrs](https://github.com/serverlesstechnology/cqrs) [[cqrs-es](https://crates.io/crates/cqrs-es)] - A framework for CQRS and event sourcing with [user guide](https://doc.rust-cqrs.org/)

### eBPF

* [aya/aya-rs](https://github.com/aya-rs/aya) - Built with a focus on developer experience and operability.
* [libbpf/libbpf-rs](https://github.com/libbpf/libbpf-rs) - A minimal and opinionated eBPF tooling.

### Email

[[email](https://crates.io/keywords/email), [imap](https://crates.io/keywords/imap), [smtp](https://crates.io/keywords/smtp)]

* [duesee/imap-codec](https://github.com/duesee/imap-codec) [[imap-codec](https://crates.io/crates/imap-codec)] - Rock-solid and complete codec for IMAP [](https://github.com/duesee/imap-codec/actions/workflows/build_and_test.yml)
* [gsquire/sendgrid-rs](https://github.com/gsquire/sendgrid-rs) - Library for SendGrid API
* [jdrouet/catapulte](https://github.com/jdrouet/catapulte) - A microservice to send emails using [MRML](https://github.com/jdrouet/mrml) templates.
* [jdrouet/jolimail](https://github.com/jdrouet/jolimail) - A web application to build [MRML](https://github.com/jdrouet/mrml) templates.
* [jdrouet/mrml](https://github.com/jdrouet/mrml) - A library to generate nice email templates working on any mail client.
* [lettre/lettre](https://github.com/lettre/lettre) - an SMTP-library [](https://github.com/lettre/lettre/actions/workflows/test.yml)
* [mailtutan/mailtutan](https://github.com/mailtutan/mailtutan) - An SMTP server for test and development environment.
* [meli/meli](https://github.com/meli/meli) - 🐝 terminal mail client
* [staktrace/mailparse](https://github.com/staktrace/mailparse) [[mailparse](https://crates.io/crates/mailparse)] - A library for parsing real-world email files
* [stalwartlabs/mail-auth](https://github.com/stalwartlabs/mail-auth) [[mail-auth](https://crates.io/crates/mail-auth)] - DKIM, ARC, SPF and DMARC message authentication library [](https://github.com/stalwartlabs/mail-auth/actions/workflows/rust.yml)
* [stalwartlabs/mail-parser](https://github.com/stalwartlabs/mail-parser) [[mail-parser](https://crates.io/crates/mail-parser)] - A fast and robust e-mail parsing library with full MIME support [](https://github.com/stalwartlabs/mail-parser/actions/workflows/rust.yml)
* [stalwartlabs/mail-send](https://github.com/stalwartlabs/mail-send) [[mail-send](https://crates.io/crates/mail-send)] - E-mail builder and SMTP client library with DKIM support [](https://github.com/stalwartlabs/mail-send/actions/workflows/rust.yml)
* [tweedegolf/mailcrab](https://github.com/tweedegolf/mailcrab) - Email test server for development.

### Encoding

[[encoding](https://crates.io/keywords/encoding)]

* ASN.1
* [alex/rust-asn1](https://github.com/alex/rust-asn1) - ASN.1 (DER) serializer
* Binary
* [bincode-org/bincode](https://github.com/bincode-org/bincode) - A binary encoder/decoder [](https://github.com/bincode-org/bincode/actions/workflows/rust.yml)
* [jamesmunns/postcard](https://github.com/jamesmunns/postcard) [[postcard](https://crates.io/crates/postcard)] - Postcard is a #![no_std] focused serializer and deserializer for Serde.
* [m4b/goblin](https://github.com/m4b/goblin) [[goblin](https://crates.io/crates/goblin)] - cross-platform, zero-copy, and endian-aware binary parsing
* BSON
* [mongodb/bson-rust](https://github.com/mongodb/bson-rust) - Encoding and decoding support for BSON
* Byte swapping
* [BurntSushi/byteorder](https://github.com/BurntSushi/byteorder) - Supports big-endian, little-endian and native byte orders
* Cap'n Proto
* [capnproto/capnproto-rust](https://github.com/capnproto/capnproto-rust) - Cap'n Proto is a type system for distributed systems
* CBOR
* [serde_cbor](https://crates.io/crates/serde_cbor) - CBOR support for serde
* Character Encoding
* [hsivonen/encoding_rs](https://github.com/hsivonen/encoding_rs) [[encoding_rs](https://crates.io/crates/encoding_rs)] - A Gecko-oriented implementation of the Encoding Standard
* [lifthrasiir/rust-encoding](https://github.com/lifthrasiir/rust-encoding) - Character encoding support for Rust. (also known as rust-encoding) It is based on WHATWG Encoding Standard, and also provides an advanced interface for error detection and recovery.
* CRC
* [mrhooray/crc-rs](https://github.com/mrhooray/crc-rs) - Rust implementation of CRC(16, 32, 64) with support of various standards
* CSV
* [BurntSushi/rust-csv](https://github.com/BurntSushi/rust-csv) - A fast and flexible CSV reader and writer, with support for Serde
* EDN
* [edn-rs](https://github.com/naomijub/edn-rs) [[edn-rs](https://crates.io/crates/edn-rs)] - crate to parse and emit EDN format into Rust types.
* [FlatBuffers](https://flatbuffers.dev/)
* [frol/flatc-rust](https://github.com/frol/flatc-rust) - FlatBuffers compiler (flatc) integration for Cargo build scripts
* HAR
* [mandrean/har-rs](https://github.com/mandrean/har-rs) [[har](https://crates.io/crates/har)] - A HTTP Archive Format (HAR) serialization & deserialization library
* HTML
* [servo/html5ever](https://github.com/servo/html5ever) - High-performance browser-grade HTML5 parser
* JSON
* [cloudwego/sonic-rs](https://github.com/cloudwego/sonic-rs) [[sonic-rs](https://crates.io/crates/sonic-rs)] - A fast Rust JSON library based on SIMD.
* [importcjj/rust-ajson](https://github.com/importcjj/rust-ajson) [[ajson](https://crates.io/crates/ajson)] - Get JSON values quickly
* [rustadopt/jzon-rs](https://github.com/rustadopt/jzon-rs/) [[jzon](https://crates.io/crates/jzon)] - JSON implementation
* [serde-rs/json](https://github.com/serde-rs/json) [[serde\_json](https://crates.io/crates/serde_json)] - JSON support for [Serde](https://github.com/serde-rs/serde) framework
* [simd-lite/simd-json](https://github.com/simd-lite/simd-json) [[simd-json](https://crates.io/crates/simd-json)] - High performance JSON parser based on a port of simdjson
* MsgPack
* [3Hren/msgpack-rust](https://github.com/3Hren/msgpack-rust) - Low/high level MessagePack implementation
* NetCDF
* [georust/netcdf](https://github.com/georust/netcdf) [[netcdf](https://crates.io/crates/netcdf)] - Medium-level netCDF bindings, allowing easy reading and writing of array-like structures to a file.
* PEM
* [jcreekmore/pem-rs](https://github.com/jcreekmore/pem-rs) [[pem](https://crates.io/crates/pem)] - Parse and encode PEM-encoded data
* ProtocolBuffers
* [stepancheg/rust-protobuf](https://github.com/stepancheg/rust-protobuf) - Rust implementation of Google protocol buffers
* [tokio-rs/prost](https://github.com/tokio-rs/prost) - [](https://github.com/tokio-rs/prost/actions)
* rkyv
* [rkyv/rkyv](https://github.com/rkyv/rkyv) [[rkyv](https://crates.io/crates/rkyv)] - rkyv (archive) is a zero-copy deserialization framework
* RON (Rusty Object Notation)
* [https://github.com/ron-rs/ron](https://github.com/ron-rs/ron) - Rusty Object Notation
* Serde
* [iddm/serde-aux](https://github.com/iddm/serde-aux/) - additional tools for using with the serde library. [](https://github.com/iddm/serde-aux/actions/workflows/ci.yml) [](https://crates.io/crates/serde-aux)
* TOML
* [tamasfe/taplo](https://github.com/tamasfe/taplo) [[taplo](https://crates.io/crates/taplo)] - A TOML toolkit [](https://github.com/tamasfe/taplo/actions?query=workflow%3A%22Continuous+integration%22)
* [toml-rs/toml](https://github.com/toml-rs/toml) - [](https://github.com/toml-rs/toml/actions/workflows/ci.yml)
* XML
* [Florob/RustyXML](https://github.com/Florob/RustyXML) - an XML parser
* [media-io/yaserde](https://github.com/media-io/yaserde) - Yet Another Serializer/Deserializer specialized for XML
* [netvl/xml-rs](https://github.com/netvl/xml-rs) - A streaming XML library
* [shepmaster/sxd-document](https://github.com/shepmaster/sxd-document) - An XML library
* [shepmaster/sxd-xpath](https://github.com/shepmaster/sxd-xpath) - An XPath library
* [tafia/quick-xml](https://github.com/tafia/quick-xml) - High performance XML pull reader/writer
* YAML
* [chyh1990/yaml-rust](https://github.com/chyh1990/yaml-rust) - The missing YAML 1.2 implementation.
* [dtolnay/serde-yaml](https://github.com/dtolnay/serde-yaml) [[serde\_yaml](https://crates.io/crates/serde_yaml)] - YAML support for [Serde](https://github.com/serde-rs/serde) framework [](https://github.com/dtolnay/serde-yaml/actions?query=branch%3Amaster)
* [vitiral/stfu8](https://github.com/vitiral/stfu8) [[stfu8](https://crates.io/crates/stfu8)] - Sorta Text Format in UTF-8

### Filesystem

[[filesystem](https://crates.io/keywords/filesystem)]
* Operations
* [Camino](https://github.com/camino-rs/camino) [[camino](https://crates.io/crates/camino)] - Like Rust's std::path::Path, but UTF-8.
* [OpenDAL](https://github.com/apache/opendal) [[opendal](https://crates.io/crates/opendal)] - A unified data access layer, empowering users to seamlessly and efficiently retrieve data from diverse storage services. [](https://github.com/apache/opendal/actions?query=branch%3Amain)
* [ParthJadhav/Rust_Search](https://github.com/ParthJadhav/Rust_Search) [[rust_search](https://crates.io/crates/rust_search)] - Blazingly fast file search library.
* [pop-os/dbus-udisks2](https://github.com/pop-os/dbus-udisks2) [[dbus-udisks2](https://crates.io/crates/dbus-udisks2)] - UDisks2 DBus API
* [pop-os/sys-mount](https://github.com/pop-os/sys-mount) [[sys-mount](https://crates.io/crates/sys-mount)] - High level abstraction for the `mount` / `umount2` system calls.
* [vitiral/path_abs](https://github.com/vitiral/path_abs) [[path_abs](https://crates.io/crates/path_abs)] - Absolute serializable path types and associated methods.
* [webdesus/fs_extra](https://github.com/webdesus/fs_extra) - expanding opportunities standard library std::fs and std::io
* Temporary Files
* [Stebalien/tempfile](https://github.com/Stebalien/tempfile) - temporary file library
* [Stebalien/xattr](https://github.com/Stebalien/xattr) [[xattr](https://crates.io/crates/xattr)] - list and manipulate unix extended file attributes
* [zboxfs/zbox](https://github.com/zboxfs/zbox) [[zbox](https://crates.io/crates/zbox)] - Zero-details, privacy-focused embeddable file system.

### Finance

* [avhz/RustQuant](https://github.com/avhz/RustQuant) [[RustQuant](https://crates.io/crates/RustQuant)] - A quantitative finance library. 
* [d-e-s-o/apca](https://github.com/d-e-s-o/apca) [[apca](https://crates.io/crates/apca)] - Opinionated and comprehensive bindings to the [Alpaca API](https://alpaca.markets/) for stock trading and more. 

### Functional Programming

[[functional programming](https://crates.io/keywords/fp)]
* Prelude
* [JasonShin/fp-core.rs](https://github.com/JasonShin/fp-core.rs) - A library for functional programming
* [myrrlyn/tap](https://github.com/myrrlyn/tap) - Suffix-Position Pipeline Behavior

### Game development

See also [Are we game yet?](https://arewegameyet.rs)
* Allegro
* [SiegeLord/RustAllegro](https://github.com/SiegeLord/RustAllegro) - [Allegro 5](https://liballeg.org/) bindings
* [Awesome Quads](https://github.com/ozkriff/awesome-quads) - A curated list of links to miniquad/macroquad-related code & resources
* [Awesome wgpu](https://github.com/rofrol/awesome-wgpu) - A curated list of wgpu code and resources
* bracket-lib (previously RLTK)
* [bracket-lib](https://github.com/amethyst/bracket-lib) [[bracket-lib](https://crates.io/crates/bracket-lib)] - The Roguelike Toolkit (RLTK). [](https://github.com/amethyst/bracket-lib/actions/workflows/rust.yml)
* Challonge
* [iddm/challonge-rs](https://github.com/iddm/challonge-rs) [[challonge](https://crates.io/crates/challonge)] - Client library for the Challonge REST API. Helps to organize tournaments. [](https://github.com/iddm/challonge-rs/actions/workflows/ci.yml)
* Entity-Component Systems (ECS)
* [amethyst/specs](https://github.com/amethyst/specs) - Specs Parallel ECS
* [legion](https://github.com/amethyst/legion) - A feature rich high performance ECS library with minimal boilerplate [](https://github.com/amethyst/legion/actions)
* Game Engines
* [Bevy](https://github.com/bevyengine/bevy) - is a refreshingly simple data-driven game engine. - [](https://crates.io/crates/bevy) [](https://crates.io/crates/bevy)
* [Fyrox](https://fyrox.rs/) - Game engine 3D [](https://crates.io/crates/fyrox) [](https://github.com/FyroxEngine/Fyrox/blob/master/LICENSE.md) [](https://crates.io/crates/fyrox)
* [ggez](https://github.com/ggez/ggez) - A lightweight game framework for making 2D games with minimum friction - [](https://crates.io/crates/ggez) [](https://github.com/ggez/ggez/blob/master/LICENSE) [](https://crates.io/crates/ggez)
* [Kiss3d](http://kiss3d.org) - A Keep It Simple, Stupid 3d graphics engine [](https://crates.io/crates/kiss3d)
* [oxidator](https://github.com/Ruddle/oxidator) - A real time strategy game/engine supporting WebGPU
* [Piston](https://www.piston.rs/) - [](https://crates.io/crates/piston) [](https://github.com/PistonDevelopers/piston/blob/master/LICENSE) [](https://crates.io/crates/piston)
* [Unrust](https://github.com/unrust/unrust) - Webgl 2.0 / native game engine
* Game Servers
* [gamedig/rust-gamedig](https://github.com/gamedig/rust-gamedig) [[gamedig](https://crates.io/crates/gamedig)] - Query game servers for informations such as name, players online, max players count etc. [](https://crates.io/crates/gamedig) [](https://crates.io/crates/gamedig)
* [Godot](https://godotengine.org/)
* [godot-rust/gdnative](https://github.com/godot-rust/gdnative) [[gdnative](https://crates.io/crates/gdnative)] - Bindings to the Godot game engine [](https://github.com/godot-rust/gdnative/actions/workflows/full-ci.yml)
* [Raylib](https://www.raylib.com/)
* [deltaphc/raylib-rs](https://github.com/deltaphc/raylib-rs) [[raylib](https://crates.io/crates/raylib)] - Bindings for raylib
* [SDL](http://www.libsdl.org/) [[sdl](https://crates.io/keywords/sdl)]
* [brson/rust-sdl](https://github.com/brson/rust-sdl) - SDL1 bindings
* [Rust-SDL2/rust-sdl2](https://github.com/Rust-SDL2/rust-sdl2) - SDL2 bindings
* SFML
* [jeremyletang/rust-sfml](https://github.com/jeremyletang/rust-sfml) - [SFML](https://www.sfml-dev.org/) bindings
* Skillratings
* [atomflunder/skillratings](https://github.com/atomflunder/skillratings) [[skillratings](https://crates.io/crates/skillratings)] - Collection of skill rating algorithms for multiplayer games like Elo, Glicko-2, TrueSkill etc. [](https://crates.io/crates/skillratings) [](https://github.com/atomflunder/skillratings/actions/workflows/ci.yml)
* Tcod-rs
* [tomassedovic/tcod-rs](https://github.com/tomassedovic/tcod-rs) - Libtcod bindings.
* Warning: Not maintained anymore
* Toornament-rs
* [iddm/toornament-rs](https://github.com/iddm/toornament-rs) - Toornament.com API bindings. [](https://github.com/iddm/toornament-rs/actions/workflows/ci.yml) [](https://crates.io/crates/toornament)
* Victorem
* [VictoremWinbringer/Victorem](https://github.com/VictoremWinbringer/Victorem) [[Victorem](https://crates.io/crates/Victorem)] - Easy UDP Game Server and UDP Client framework for creating simple 2D and 3D online game prototype

### Geospatial

[[geo](https://crates.io/keywords/geo), [gis](https://crates.io/keywords/gis)]

* [DaveKram/coord_transforms](https://github.com/DaveKram/coord_transforms) [[coord_transforms](https://crates.io/crates/coord_transforms)] - coordinate transformations (2-d, 3-d, and geospatial)
* [Georust](https://github.com/georust) - geospatial tools and libraries written
* [MapLibre/Martin](https://github.com/maplibre/martin) - Map tile server with PostGIS, MBTiles, PMTiles, and sprites support. [](https://github.com/maplibre/martin/actions)[](https://crates.io/crates/martin)[](https://maplibre.org/martin/)
* [rust-reverse-geocoder](https://github.com/gx0r/rrgeo) - A fast, offline reverse geocoder, inspired by [thampiman/reverse-geocoder](https://github.com/thampiman/reverse-geocoder)
* [vlopes11/geomorph](https://github.com/vlopes11/geomorph) [[geomorph](https://crates.io/crates/geomorph)] - conversion between UTM, LatLon and MGRS coordinates

### Graph algorithms

* [neo4j-labs/graph](https://github.com/neo4j-labs/graph) - A library for high-performant graph algorithms [](https://github.com/neo4j-labs/graph/actions/workflows/rust.yml)
* [petgraph/petgraph](https://github.com/petgraph/petgraph) - Graph data structure library. [](https://github.com/petgraph/petgraph/actions/workflows/ci.yml)

### Graphics

[[graphics](https://crates.io/keywords/graphics)]

* Font
* [RazrFalcon/rustybuzz](https://github.com/RazrFalcon/rustybuzz) - An incremental harfbuzz port
* [redox-os/rusttype](https://github.com/redox-os/rusttype) - Alternative to libraries like FreeType
* [gfx-rs/gfx](https://github.com/gfx-rs/gfx) - A high-performance, bindless graphics API.
* [gfx-rs/wgpu](https://github.com/gfx-rs/wgpu) - Native WebGPU implementation based on gfx-hal. [](https://github.com/gfx-rs/wgpu/actions)
* OpenGL [[opengl](https://crates.io/keywords/opengl)]
* [brendanzab/gl-rs](https://github.com/brendanzab/gl-rs) - An OpenGL function pointer loader
* [glium/glium](https://github.com/glium/glium) - safe OpenGL wrapper.
* [glutin](https://crates.io/crates/glutin) - Alternative to [GLFW](https://www.glfw.org/)
* [Kiss3d](http://kiss3d.org) - draw simple geometric figures and play with them with one-liners
* [PistonDevelopers/glfw-rs](https://github.com/PistonDevelopers/glfw-rs) - GLFW3 bindings and idiomatic wrapper
* PDF
* [bastibense/libharu_ng](https://github.com/bastibense/libharu_ng) [[libharu_ng](https://crates.io/crates/libharu_ng)] - Easily generate PDFs from your Rust app.
* [fschutt/printpdf](https://github.com/fschutt/printpdf) - PDF writing library
* [J-F-Liu/lopdf](https://github.com/J-F-Liu/lopdf) - PDF document manipulation
* [kaj/rust-pdf](https://github.com/kaj/rust-pdf) - Generating PDF files in pure Rust
* [Vulkan](https://www.vulkan.org/) [[vulkan](https://crates.io/keywords/vulkan)]
* [erupt](https://gitlab.com/Friz64/erupt) [[erupt](https://crates.io/crates/erupt)] - [](https://gitlab.com/Friz64/erupt/-/pipelines)
* [vulkano](https://github.com/vulkano-rs/vulkano) [[vulkano](https://crates.io/crates/vulkano)] - Safe and rich Rust wrapper around the Vulkan API

### GUI

[[gui](https://crates.io/keywords/gui)]

* [autopilot-rs/autopilot-rs](https://github.com/autopilot-rs/autopilot-rs) - A simple, cross-platform GUI automation library.
* Cocoa
* [servo/core-foundation-rs](https://github.com/servo/core-foundation-rs) - Rust bindings to Core Foundation and other low level libraries on Mac OS X and iOS
* [DioxusLabs/dioxus](https://github.com/dioxuslabs/dioxus) - a portable, performant, and ergonomic framework for building cross-platform user interfaces in Rust. 
* [emilk/egui](https://github.com/emilk/egui) - Simple, fast, and highly portable immediate mode GUI library. egui runs on the web, natively, and in your favorite game engine. [](https://github.com/emilk/egui/actions?workflow=CI)
* [emoon/rust_minifb](https://github.com/emoon/rust_minifb) - minifb is a cross-platform window setup with optional bitmap rendering. It also comes with easy mouse and keyboard input. Primarily designed for prototyping
* [FLTK](https://www.fltk.org/)
* [fltk-rs](https://github.com/fltk-rs/fltk-rs) - FLTK bindings [](https://github.com/fltk-rs/fltk-rs/actions)
* [Flutter](https://flutter.dev/)
* [cunarist/rinf](https://github.com/cunarist/rinf) - Rust as your Flutter backend, Flutter as your Rust frontend [](https://github.com/cunarist/rinf/actions/workflows/build_test.yaml?query=branch%3Amain)
* [flutter-rs](https://github.com/flutter-rs/flutter-rs) - Build flutter desktop app in dart & rust.
* [fzyzcjy/flutter_rust_bridge](https://github.com/fzyzcjy/flutter_rust_bridge) - High-level memory-safe binding generator for Flutter/Dart <-> Rust
* [fschutt/azul](https://github.com/fschutt/azul) - A free, functional, IMGUI-oriented GUI framework for rapid development of desktop applications written in Rust, supported by the Mozilla WebRender rendering engine.
* [GTK+](https://www.gtk.org/) [[gtk](https://crates.io/keywords/gtk)]
* [gtk-rs/gtk4-rs](https://github.com/gtk-rs/gtk4-rs) - GTK4 binding 
* [relm](https://github.com/antoyo/relm) - Asynchronous, GTK+-based, GUI library, inspired by Elm
* [iced-rs/iced](https://github.com/iced-rs/iced) [[iced](https://crates.io/crates/iced)] - A cross-platform GUI library, focused on simplicity and type-safety. Inspired by Elm.
* [ImGui](https://github.com/ocornut/imgui)
* [imgui-rs](https://github.com/imgui-rs/imgui-rs) - Bindings for ImGui [](https://github.com/imgui-rs/imgui-rs/actions)
* [IUP](http://webserver2.tecgraf.puc-rio.br/iup/)
* [Kiss-ui](https://github.com/KISS-UI/kiss-ui) - A simple UI framework built on IUP
* [ivanceras/sauron-native](https://github.com/ivanceras/sauron-native) - A truly native and cross platform GUI library. One unified code can be run as native GUI, Html Web and TUI.
* [libui](https://github.com/andlabs/libui)
* [rust-native-ui/libui-rs](https://github.com/rust-native-ui/libui-rs) - libui bindings.
* [makepad/makepad](https://github.com/makepad/makepad) [[makepad-widgets](https://crates.io/crates/makepad-widgets)] - Makepad is a creative software development platform that compiles to wasm/webGL, osx/metal, windows/dx11 linux/opengl.
* [Nuklear](https://github.com/Immediate-Mode-UI/Nuklear)
* [nuklear-rust](https://github.com/snuk182/nuklear-rust) - Bindings for Nuklear
* [OrbTk](https://github.com/redox-os/orbtk) - The Orbital Widget Toolkit is a multi platform (G)UI toolkit using SDL2 [](https://github.com/redox-os/orbtk/actions)
* [PistonDevelopers/conrod](https://github.com/PistonDevelopers/conrod/) - An easy-to-use, immediate-mode, 2D GUI library
* [Qt](https://doc.qt.io)
* [cyndis/qmlrs](https://github.com/cyndis/qmlrs) - QtQuick bindings
* [rust-qt](https://github.com/rust-qt) - Qt bindings for Rust
* [woboq/qmetaobject-rs](https://github.com/woboq/qmetaobject-rs) - Integrate Qml and Rust by building the QMetaObject at compile time.
* [rise-ui](https://github.com/rise-ui/rise) - Simple component-based cross-Platform GUI Toolkit for developing beautiful and user-friendly interfaces.
* [saurvs/nfd-rs](https://github.com/saurvs/nfd-rs) - [nativefiledialog](https://github.com/mlabbe/nativefiledialog) bindings
* [Sciter](https://sciter.com/)
* [sciter-sdk/rust-sciter](https://github.com/sciter-sdk/rust-sciter) - Sciter bindings [](https://ci.appveyor.com/project/sciter-sdk/rust-sciter)
* [slint-ui/slint](https://github.com/slint-ui/slint) [slint](https://crates.io/crates/slint) - [Slint](https://slint.dev/) is a toolkit to efficiently develop fluid graphical user interfaces for embedded devices and desktop applications. [](https://github.com/slint-ui/slint/actions?query=workflow%3ACI)
* [tauri-apps/tauri](https://github.com/tauri-apps/tauri) - Build smaller, faster, and more secure desktop applications with a web frontend, powered by [WRY](https://github.com/tauri-apps/wry). [](https://github.com/tauri-apps/tauri/actions?query=workflow%3A%22test+library%22)
* [tauri-apps/wry](https://github.com/tauri-apps/wry) - Webview Rendering librarY.
* [xilem](https://github.com/linebender/xilem) - Successor of the data-first UI design toolkit [druid](https://github.com/linebender/druid).

### Image processing

* [abonander/img_hash](https://github.com/abonander/img_hash) - Perceptual image hashing and comparison for equality and similarity.
* [Enet4/dicom-rs](https://github.com/Enet4/dicom-rs) - A pure Rust implementation of the DICOM standard, allowing users to work with DICOM objects and interact with DICOM applications, while aiming to be fast, safe, and intuitive to use.
* [image-rs/image](https://github.com/image-rs/image) - Basic imaging processing functions and methods for converting to and from image formats
* [image-rs/imageproc](https://github.com/image-rs/imageproc) - An image processing library, based on the `image` library.
* [marekm4/dominant_color](https://github.com/marekm4/dominant_color) [[dominant_color](https://crates.io/crates/dominant_color)] - Dominant color extractor 
* [rust-cv/cv](https://github.com/rust-cv/cv) - Implement computer vision algorithms, abstractions, and systems. `#[no_std]` is supported where possible. 
* [teovoinea/steganography](https://github.com/teovoinea/steganography) [[steganography](https://crates.io/crates/steganography)] - A simple steganography library
* [twistedfall/opencv-rust](https://github.com/twistedfall/opencv-rust) - Bindings for OpenCV

### Language specification

* [shnewto/bnf](https://github.com/shnewto/bnf) - A library for parsing Backus–Naur form context-free grammars.

### Logging

[[log](https://crates.io/keywords/log)]

* [donnie4w/tklog](https://github.com/donnie4w/tklog "donnie4w/tklog") - lightweight and efficient rust structured log library with support for log levels, file segmentation, compressed archiving.
* [estk/log4rs](https://github.com/estk/log4rs) - highly configurable logging framework modeled after Java's Logback and log4j libraries [](https://app.circleci.com/pipelines/github/estk/log4rs)
* [rbatis/fast_log](https://github.com/rbatis/fast_log) - Async log High-performance asynchronous logging
* [rust-lang/log](https://github.com/rust-lang/log) - Logging implementation
* [seanmonstar/pretty-env-logger](https://github.com/seanmonstar/pretty-env-logger) - A pretty, easy-to-use logger.
* [slog-rs/slog](https://github.com/slog-rs/slog) - Structured, composable logging
* [tokio-rs/tracing](https://github.com/tokio-rs/tracing) - An application level tracing framework for async-aware structured logging, error handling, metrics, and more [](https://github.com/tokio-rs/tracing/actions?query=workflow%3ACI)

### Macro

* cute
* [mattgathu/cute](https://github.com/mattgathu/cute) - Macro for Python-esque list comprehensions.
* [Linq-in-Rust](https://github.com/StardustDL/Linq-in-Rust) - Macro and methods for C#-LINQ-like expressions. [](https://github.com/StardustDL/Linq-in-Rust/actions?query=workflow%3ACI)

### Markup language

* CommonMark
* [pulldown-cmark/pulldown-cmark](https://github.com/pulldown-cmark/pulldown-cmark) - [CommonMark](https://commonmark.org/) parser
* [insomnimus/tidier](https://github.com/insomnimus/tidier) [[tidier](https://crates.io/crates/tidier)] - A library to format HTML, XHTML and XML documents. [](https://github.com/insomnimus/tidier/actions)

### Mobile

* Android / iOS
* [ivnsch/rust_android_ios](https://github.com/ivnsch/rust_android_ios) - An example of using a shared lib for Android and iOS using rust-swig and cbindgen respectively.
* Generic
* [Geal/rust_on_mobile](https://github.com/Geal/rust_on_mobile) - iOS CocoaPods / Android JNI
* [redbadger/crux](https://github.com/redbadger/crux) [[crux_core](https://crates.io/crates/crux_core)] - Cross-platform app development. Crux helps you share your app's business logic and behavior across mobile (iOS/Android) and web - as a single reusable core. [](https://github.com/redbadger/crux/actions)
* iOS
* [TimNN/cargo-lipo](https://github.com/TimNN/cargo-lipo) - A cargo lipo subcommand which automatically creates a universal library for use with your iOS application.

### Network programming

* Bluetooth
* [bluez/bluer](https://github.com/bluez/bluer) [[bluer](https://crates.io/crates/bluer)] - Official BlueZ bindings. [](https://github.com/bluez/bluer/actions/workflows/rust.yml)
* CoAP
* [Covertness/coap-rs](https://github.com/Covertness/coap-rs) - A [Constrained Application Protocol(CoAP)](https://datatracker.ietf.org/doc/html/rfc7252) library.
* Docker
* [fussybeaver/bollard](https://github.com/fussybeaver/bollard) - Docker daemon API
* FTP
* [mattnenterprise/rust-ftp](https://github.com/mattnenterprise/rust-ftp) - an [FTP](https://en.wikipedia.org/wiki/File_Transfer_Protocol) client
* gRPC
* [hyperium/tonic](https://github.com/hyperium/tonic) - A native gRPC client & server implementation with async/await support [](https://crates.io/crates/tonic)
* [tikv/grpc-rs](https://github.com/tikv/grpc-rs) - The gRPC library built on C Core library and futures
* HTTP
* [Hurl](https://github.com/Orange-OpenSource/hurl) - Run and test HTTP requests with plain text and libcurl [](https://github.com/Orange-OpenSource/hurl/actions)
* IPNetwork
* [achanda/ipnetwork](https://github.com/achanda/ipnetwork) - A library to work with IP networks
* [candrew/netsim](https://github.com/canndrew/netsim) - A library for network simulation and testing
* Low level
* [actix/actix](https://github.com/actix/actix) - Actor library
* [dylanmckay/protocol](https://github.com/dylanmckay/protocol) - Custom TCP/UDP protocol definitions
* [libpnet/libpnet](https://github.com/libpnet/libpnet) - A cross-platform, low level networking
* [smoltcp-rs/smoltcp](https://github.com/smoltcp-rs/smoltcp) - A standalone, event-driven TCP/IP stack that is designed for bare-metal, real-time systems
* message-io
* [lemunozm/message-io](https://github.com/lemunozm/message-io) - Event-driven message library to build network applications easy and fast. Supports TCP, UDP and WebSockets. [](https://github.com/lemunozm/message-io/actions?query=workflow%3A%22message-io+ci%22)
* MQTT
* [bytebeamio/rumqtt](https://github.com/bytebeamio/rumqtt) - A library for developers to build applications that communicate with the [MQTT protocol](https://mqtt.org) over TCP and WebSockets, with or without TLS. [](https://github.com/bytebeamio/rumqtt/actions/workflows/build.yml)
* [rmqtt/rmqtt](https://github.com/rmqtt/rmqtt) - MQTT Server/MQTT Broker - Scalable Distributed MQTT Message Broker for IoT in the 5G Era
* NanoMsg
* [thehydroimpulse/nanomsg.rs](https://github.com/thehydroimpulse/nanomsg.rs) - [nanomsg](https://nanomsg.org/) bindings
* NATS
* [nats-io/nats.rs](https://github.com/nats-io/nats.rs) - Client for NATS, the cloud native messaging system. [](https://github.com/nats-io/nats.rs/actions)
* Nng
* [neachdainn/nng-rs](https://gitlab.com/neachdainn/nng-rs) [[Nng](https://crates.io/crates/nng)] - [Nng (nanomsg v2)](https://nng.nanomsg.org/index.html) bindings [](https://gitlab.com/neachdainn/nng-rs/-/pipelines)
* NNTP
* [mattnenterprise/rust-nntp](https://github.com/mattnenterprise/rust-nntp) [[nntp](https://crates.io/crates/nntp)] - an [NNTP](https://en.wikipedia.org/wiki/Network_News_Transfer_Protocol) client
* P2P
* [libp2p/rust-libp2p](https://github.com/libp2p/rust-libp2p) - Implementation of libp2p networking stack. [](https://app.circleci.com/pipelines/github/libp2p/rust-libp2p)
* POP3
* [mattnenterprise/rust-pop3](https://github.com/mattnenterprise/rust-pop3) [[pop3](https://crates.io/crates/pop3)] - A [POP3](https://en.wikipedia.org/wiki/Post_Office_Protocol) client
* QUIC
* [aws/s2n-quic](https://github.com/aws/s2n-quic) - An implementation of the IETF QUIC protocol 
* [cloudflare/quiche](https://github.com/cloudflare/quiche) - cloudflare implementation of the QUIC transport protocol and HTTP/3 
* [mozilla/neqo](https://github.com/mozilla/neqo) - an Implementation of QUIC
* [quinn-rs/quinn](https://github.com/quinn-rs/quinn) - Futures-based QUIC implementation [](https://dev.azure.com/dochtman/Projects/_build)
* [tencent/tquic](https://github.com/Tencent/tquic) - A high-performance, lightweight, and cross-platform QUIC library [](https://github.com/Tencent/tquic/actions/workflows/rust.yml)
* Raknet
* [b23r0/rust-raknet](https://github.com/b23r0/rust-raknet) - RakNet Protocol implementation [](https://github.com/b23r0/rust-raknet/actions/workflows/rust.yml)
* RPC
* [ENQT-GmbH/remoc](https://github.com/ENQT-GmbH/remoc) [[remoc](https://crates.io/crates/remoc)] - Remoc provides channels (broadcast, mpsc, oneshot, watch) similar to Tokio's and trait calling over any remote transport. [](https://github.com/ENQT-GmbH/remoc/actions/workflows/rust.yml)
* [smallnest/rpcx-rs](https://github.com/smallnest/rpcx-rs) - A RPC library for developing microservices in easy and simple way.
* Socket.io
* [1c3t3a/rust-socketio](https://github.com/1c3t3a/rust-socketio) [[rust_socketio](https://crates.io/crates/rust_socketio)] - an implementation of a [socket.io](https://socket.io) client written in Rust. [](https://github.com/1c3t3a/rust-socketio/actions/workflows/build.yml)
* SSH
* [alexcrichton/ssh2-rs](https://github.com/alexcrichton/ssh2-rs) - [libssh2](https://libssh2.org/) bindings
* [Thrussh](https://pijul.org/thrussh) [[thrussh](https://crates.io/crates/thrussh)] - an SSH library, backed by [libsodium](https://doc.libsodium.org/)
* Stomp
* [zslayton/stomp-rs](https://github.com/zslayton/stomp-rs) - A [STOMP 1.2](http://stomp.github.io/stomp-specification-1.2.html) client implementation
* VPN
* [defguard/wireguard-rs](https://github.com/DefGuard/wireguard-rs) - A multi-platform library providing a unified high-level API for managing WireGuard interfaces using native OS kernel and userspace WireGuard protocol implementations
* Zenoh
* [eclipse-zenoh-flow/zenoh-flow](https://github.com/eclipse-zenoh-flow/zenoh-flow) - A declarative framework for computations that span from the *Cloud* to the *Thing*
* [eclipse-zenoh/zenoh](https://github.com/eclipse-zenoh/zenoh) - Zero Overhead Network Protocol
* ZeroMQ
* [erickt/rust-zmq](https://github.com/erickt/rust-zmq) - [ZeroMQ](https://zeromq.org/) bindings

### Parsing

* [comex/rust-shlex](https://github.com/comex/rust-shlex) [[shlex](https://crates.io/crates/shlex)] - Split a string into shell words, like Python's shlex. [](https://github.com/comex/rust-shlex/actions/workflows/test.yml)
* [Eliah-Lakhin/lady-deirdre](https://github.com/Eliah-Lakhin/lady-deirdre) - A framework for new programming languages and LSP servers.
* [Folyd/robotstxt](https://github.com/Folyd/robotstxt) - Port of Google's robots.txt parser and matcher C++ library
* [freestrings/jsonpath](https://github.com/freestrings/jsonpath) - [JsonPath](https://goessner.net/articles/JsonPath/) engine. Webassembly and Javascript support too
* [hmeyer/stl_io](https://crates.io/crates/stl_io) - A parser for STL (STereoLithography) files
* [igumnoff/shiva](https://github.com/igumnoff/shiva) - Shiva library: Implementation in Rust of a parser and generator for documents of any type (Plain text, Markdown, HTML, PDF and etc)
* [kevinmehall/rust-peg](https://github.com/kevinmehall/rust-peg) - Parsing Expression Grammar (PEG) parser generator
* [lalrpop/lalrpop](https://github.com/lalrpop/lalrpop) - LR(1) parser generator
* [m4rw3r/chomp](https://github.com/m4rw3r/chomp) - A fast monadic-style parser combinator
* [Marwes/combine](https://github.com/Marwes/combine) - parser combinator library
* [nrc/zero](https://github.com/nrc/zero) [[zero](https://crates.io/crates/zero/)] - zero-allocation parsing of binary data
* [pest-parser/pest](https://github.com/pest-parser/pest) - The Elegant Parser
* [ptal/oak](https://github.com/ptal/oak) - A typed PEG parser generator (compiler plugin)
* [replicadse/wavefront_rs](https://github.com/replicadse/wavefront_rs) - A parser for the Wavefront OBJ format. [](https://crates.io/crates/wavefront_rs) [](https://crates.io/crates/wavefront_rs) [](https://github.com/replicadse/wavefront_rs/actions)
* [rust-bakery/nom](https://github.com/rust-bakery/nom) - parser combinator library
* [s-panferov/queryst](https://github.com/s-panferov/queryst) - A query string parsing library inspired by [gs](https://github.com/ljharb/qs#readme)
* [softdevteam/grmtools](https://github.com/softdevteam/grmtools/) - A LR parser with better error correction
* [tree-sitter/tree-sitter](https://github.com/tree-sitter/tree-sitter) - A parser generator tool and an incremental parsing library geared towards programming tools

### Peripherals

* Fingerprint reader
* [alvaroparker/libfprint-rs](https://github.com/alvaroparker/libfprint-rs) [[libfprint-rs](https://crates.io/crates/libfprint-rs)] - Libfprint-rs provides a wrapper around the Linux libfprint library.
* Serial Port
* [serialport/serialport-rs](https://github.com/serialport/serialport-rs) [[serialport](https://crates.io/crates/serialport)] - A cross-platform library that provides access to a serial port

### Platform specific

* Cross-platform
* [iddm/thread-priority](https://github.com/iddm/thread-priority/) - Simple, crossplatform thread priority management. [](https://github.com/iddm/thread-priority/actions/workflows/ci.yml) [](https://crates.io/crates/thread-priority)
* [svartalf/rust-battery](https://crates.io/crates/battery) - Cross-platform information about the notebook batteries
* FreeBSD
* [fubarnetes/libjail-rs](https://github.com/fubarnetes/libjail-rs/) [[jail](https://crates.io/crates/jail)] - FreeBSD jail library
* Linux
* [hannobraun/inotify-rs](https://github.com/hannobraun/inotify-rs) - [inotify](https://en.wikipedia.org/wiki/Inotify) bindings [](https://github.com/hannobraun/inotify-rs/actions/workflows/rust.yml)
* [pop-os/distinst](https://github.com/pop-os/distinst/) - Linux distribution installer
* [yaa110/rust-iptables](https://github.com/yaa110/rust-iptables) [[iptables](https://crates.io/crates/iptables)] - [iptables](https://www.netfilter.org/projects/iptables/index.html) bindings
* Unix-like
* [nix-rust/nix](https://github.com/nix-rust/nix) - Unix-like API bindings [](https://cirrus-ci.com/github/nix-rust/nix)
* [rustix](https://github.com/bytecodealliance/rustix) - Safe bindings to POSIX/Unix/Linux/Winsock2 syscalls [](https://github.com/bytecodealliance/rustix/actions?query=workflow%3ACI)
* [zargony/fuse-rs](https://github.com/zargony/fuse-rs) - [FUSE](https://github.com/libfuse/libfuse) bindings
* Windows
* [microsoft/windows-rs](https://github.com/microsoft/windows-rs) - Rust for Windows [](https://github.com/microsoft/windows-rs/actions)
* [retep998/winapi-rs](https://github.com/retep998/winapi-rs) - Windows API bindings [](https://github.com/retep998/winapi-rs/actions/workflows/rust.yml)

### Scripting

[[scripting](https://crates.io/keywords/scripting)]

* [3body-lang](https://github.com/rustq/3body-lang) - The Three Body Language
* [clarkmcc/cel-rust](https://github.com/clarkmcc/cel-rust) [[cel-interpreter](https://crates.io/crates/cel-interpreter)] - Common expression language parser and interpreter
* [duckscript](https://crates.io/crates/duckscript) - [Simple, extendable and embeddable scripting language.](https://github.com/sagiegurari/duckscript) [](https://github.com/sagiegurari/duckscript/actions)
* [fleabitdev/gamelisp](https://github.com/fleabitdev/glsp) - A Lisp-like scripting language for game development
* [gluon-lang/gluon](https://github.com/gluon-lang/gluon) - A small, statically-typed, functional programming language
* [kcl](https://github.com/kcl-lang/kcl) - A constraint-based record & functional language mainly used in configuration and policy scenarios.
* [metacall/core](https://github.com/metacall/core) [[metacall](https://crates.io/crates/metacall)] - Cross-platform Polyglot Runtime which supports NodeJS, JavaScript, TypeScript, Python, Ruby, C#, Wasm, Java, Cobol and more. [](https://gitlab.com/metacall/core)
* [mun](https://github.com/mun-lang/mun) - A compiled, statically-typed scripting language with first class hot reloading support
* [murarth/ketos](https://github.com/murarth/ketos) - A Lisp dialect functional programming language serving as a scripting and extension language for rust
* [PistonDevelopers/dyon](https://github.com/PistonDevelopers/dyon) - A rusty dynamically typed scripting language
* [rhaiscript/rhai](https://github.com/rhaiscript/rhai) - A tiny and fast embedded scripting language resembling a combination of JavaScript and Rust [](https://github.com/rhaiscript/rhai/actions)
* [rune-rs/rune](https://github.com/rune-rs/rune) - An embeddable dynamic programming language

### Simulation

[[simulation](https://crates.io/keywords/simulation)]

* [nyx-space](https://crates.io/crates/nyx-space) - High fidelity, fast, reliable and validated astrodynamical toolkit library, used for spacecraft mission design and orbit determination [](https://gitlab.com/nyx-space/nyx/-/pipelines)

### Social networks

* Telegram
* [tdilb-rs](https://github.com/FedericoBruzzone/tdlib-rs) [[tdilb-rs](https://crates.io/crates/tdlib-rs)] - Crossplatform Rust wrapper around the Telegram Database Library (TDLib) [](https://github.com/FedericoBruzzone/tdlib-rs/actions/workflows/ci-linux.yml) [](https://github.com/FedericoBruzzone/tdlib-rs/actions/workflows/ci-macos.yml) [](https://github.com/FedericoBruzzone/tdlib-rs/actions/workflows/ci-windows.yml)

### System

* [ardaku/whoami](https://github.com/ardaku/whoami) [[whoami](https://crates.io/crates/whoami)] - crate to get the current user and environment. [](https://github.com/ardaku/whoami/actions/workflows/ci.yml)
* [GuillaumeGomez/sysinfo](https://github.com/GuillaumeGomez/sysinfo) [[sysinfo](https://crates.io/crates/sysinfo)] - Cross-platform library to fetch system information [](https://github.com/GuillaumeGomez/sysinfo/actions/workflows/CI.yml)
* [Phate6660/nixinfo](https://github.com/Phate6660/nixinfo) [[nixinfo](https://crates.io/crates/nixinfo)] - A lib crate for gathering system info such as cpu, distro, environment, kernel, etc.
* [sorairolake/sysexits-rs](https://github.com/sorairolake/sysexits-rs) [[sysexits](https://crates.io/crates/sysexits)] - The system exit codes as defined by [``](https://manpages.ubuntu.com/manpages/lunar/man3/sysexits.h.3head.html). [](https://github.com/sorairolake/sysexits-rs/actions?query=workflow%3ACI)

### Task scheduling

* [delay-timer](https://github.com/BinChengZhao/delay-timer) - Time-manager of delayed tasks. Like crontab, but asynchronous tasks are possible. []( https://github.com/BinChengZhao/delay-timer/actions)

### Template engine

* Handlebars
* [sunng87/handlebars-rust](https://github.com/sunng87/handlebars-rust) - Handlebars template engine with inheritance, custom helper support.
* [zzau13/yarte](https://github.com/zzau13/yarte) - Yarte stands for **Y**et **A**nother **R**ust **T**emplate **E**ngine, is the fastest template engine.
* HTML
* [djc/askama](https://github.com/djc/askama) - template rendering engine based on Jinja
* [kaj/ructe](https://github.com/kaj/ructe) - HTML template system
* [Keats/tera](https://github.com/Keats/tera) - template engine based on Jinja2 and the Django template language. [](https://github.com/Keats/tera/actions)
* [lambda-fairy/maud](https://github.com/lambda-fairy/maud) - compile-time HTML templates
* [Stebalien/horrorshow-rs](https://github.com/Stebalien/horrorshow-rs) - compile-time HTML templates
* Mustache
* [rustache/rustache](https://github.com/rustache/rustache) - a Rust implementation of the Mustache spec

### Text processing

* [becheran/wildmatch](https://github.com/becheran/wildmatch) [[wildmatch](https://crates.io/crates/wildmatch)] - Simple string matching with questionmark- and star-wildcard operator [](https://github.com/becheran/wildmatch/actions)
* [BurntSushi/suffix](https://github.com/BurntSushi/suffix) - Linear time suffix array construction (with Unicode support)
* [BurntSushi/tabwriter](https://github.com/BurntSushi/tabwriter) - Elastic tab stops (i.e., text column alignment)
* [cpc](https://github.com/probablykasper/cpc) - Parses and calculates strings of math with support for units and unit conversion, from `1+2` to `1% of round(1 lightyear / 14!s to km/h)`.
* [Daniel-Liu-c0deb0t/triple_accel](https://github.com/Daniel-Liu-c0deb0t/triple_accel) [[triple_accel](https://crates.io/crates/triple_accel)] - Rust edit distance routines accelerated using SIMD; supports fast Hamming, Levenshtein, restricted Damerau-Levenshtein, etc. distance calculations and string search [](https://github.com/Daniel-Liu-c0deb0t/triple_accel/actions)
* [fancy-regex/fancy-regex](https://github.com/fancy-regex/fancy-regex) [[fancy-regex](https://crates.io/crates/fancy-regex)] - Regular expressions implementation designed to support a relatively rich set of features such as look-around and backtracking. [](https://crates.io/crates/fancy-regex) [](https://github.com/fancy-regex/fancy-regex/actions/workflows/ci.yml)
* [greyblake/whatlang-rs](https://github.com/greyblake/whatlang-rs) - Natural language detection library based on trigrams
* [Lucretiel/joinery](https://github.com/Lucretiel/joinery) [[joinery](https://crates.io/crates/joinery)] - Generic string + iterable joining
* [mgeisler/textwrap](https://github.com/mgeisler/textwrap) [[textwrap](https://crates.io/crates/textwrap)] - Word wrap text (with support for hyphenation)
* [null8626/decancer](https://github.com/null8626/decancer) [[decancer](https://crates.io/crates/decancer)] - A tiny package that removes common unicode confusables/homoglyphs from strings. [](https://crates.io/crates/decancer) [](https://github.com/null8626/decancer/actions/workflows/CI.yml)
* [ps1dr3x/easy_reader](https://github.com/ps1dr3x/easy_reader) - A reader that allows forwards, backwards and random navigations through the lines of huge files without consuming iterators
* [pwoolcoc/ngrams](https://github.com/pwoolcoc/ngrams) [[ngrams](https://crates.io/crates/ngrams)] - Construct [n-grams](https://en.wikipedia.org/wiki/N-gram) from arbitrary iterators
* [rust-lang/regex](https://github.com/rust-lang/regex) - Regular expressions (RE2 style)
* [strsim-rs](https://crates.io/crates/strsim) - String similarity metrics
* [yaa110/rake-rs](https://github.com/yaa110/rake-rs) [[rake](https://crates.io/crates/rake)] - Multilingual implementation of RAKE algorithm for Rust

### Text search

* [andylokandy/simsearch-rs](https://github.com/andylokandy/simsearch-rs) [[simsearch](https://crates.io/crates/simsearch)] - A simple and lightweight fuzzy search engine that works in memory, searching for similar strings
* [BurntSushi/fst](https://github.com/BurntSushi/fst) [[fst](https://crates.io/crates/fst)] - a fast implementation of ordered sets and maps using finite state machines
* [CurrySoftware/perlin](https://github.com/CurrySoftware/perlin) [[perlin](https://crates.io/crates/perlin)] - A lazy, zero-allocation and data-agnostic Information Retrieval library
* [meilisearch/MeiliSearch](https://github.com/meilisearch/MeiliSearch) - Ultra relevant, instant and typo-tolerant full-text search API. [](https://github.com/meilisearch/MeiliSearch/actions)
* [pg_search](https://github.com/paradedb/paradedb/tree/dev/pg_search) - PostgreSQL extension that enables full-text search over SQL tables using the BM25 algorithm, the state-of-the-art ranking function for full-text search.
* [tantivy](https://github.com/quickwit-oss/tantivy) [[tantivy](https://crates.io/crates/tantivy)] - A horse-speed full-text search engine library written in Rust. [](https://github.com/quickwit-oss/tantivy/actions/workflows/test.yml)

### Unsafe

* [zerocopy](https://crates.io/crates/zerocopy) - "Zerocopy makes zero-cost memory manipulation effortless. We write `unsafe` so you don’t have to."

### Video

* [ffmpeg-sidecar](https://github.com/nathanbabcock/ffmpeg-sidecar) - Wrap a standalone FFmpeg binary in an intuitive Iterator interface. [](https://github.com/nathanbabcock/ffmpeg-sidecar/actions/workflows/rust.yml)

### Virtualization

* [beneills/quantum](https://github.com/beneills/quantum) - Advanced quantum computer simulator
* [bytecodealliance/wasmtime](https://github.com/bytecodealliance/wasmtime) - A standalone runtime for WebAssembly [](https://github.com/bytecodealliance/wasmtime/actions?query=workflow%3ACI)
* [chromium/chromiumos/platform/crosvm](https://chromium.googlesource.com/chromiumos/platform/crosvm/) - CrOSVM Enables Chrome OS to run Linux apps inside a fast, secure virtualized environment
* [oxidecomputer/propolis](https://github.com/oxidecomputer/propolis) - Userspace program for illumos bhyve kernel modules
* [saurvs/hypervisor-rs](https://github.com/saurvs/hypervisor-rs) - Hardware-accelerated virtualization on OS X

### Web programming

See also [Are we web yet?](https://www.arewewebyet.org) and [Rust web framework comparison](https://github.com/flosse/rust-web-framework-comparison).

* Client-side / WASM
* [cargo-web](https://crates.io/crates/cargo-web) - A Cargo subcommand for the client-side Web
* [leptos](https://github.com/leptos-rs/leptos) - Leptos is a full-stack, isomorphic web framework leveraging fine-grained reactivity to build declarative user interfaces.[](https://crates.io/crates/leptos)
* [sauron](https://github.com/ivanceras/sauron) - Client side web framework which closely adheres to The Elm Architecture.
* [seed](https://github.com/seed-rs/seed) - A framework for creating web apps
* [stdweb](https://crates.io/crates/stdweb) - A standard library for the client-side Web
* [yew](https://crates.io/crates/yew) - A framework for making client web apps
* HTTP Client
* [alexcrichton/curl-rust](https://github.com/alexcrichton/curl-rust) - [libcurl](https://curl.se/libcurl/) bindings
* [async-graphql](https://github.com/async-graphql/async-graphql) - A GraphQL server library [](https://dev.azure.com/graphql-rust/GraphQL%20Rust/_build/latest?definitionId=1)
* [c410-f3r/wtx](https://github.com/c410-f3r/wtx) - HTTP/2 client framework
* [DoumanAsh/yukikaze](https://gitlab.com/Douman/yukikaze) [[yukikaze](https://crates.io/crates/yukikaze)] - Beautiful and elegant Yukikaze is little HTTP client library based on hyper. [](https://gitlab.com/Douman/yukikaze)
* [ducaale/xh](https://github.com/ducaale/xh) - Friendly and fast tool for sending HTTP requests [](https://crates.io/crates/xh) [](https://github.com/ducaale/xh/actions)
* [graphql-client](https://github.com/graphql-rust/graphql-client) - Typed, correct GraphQL requests and responses. [](https://github.com/graphql-rust/graphql-client/actions)
* [hyperium/hyper](https://github.com/hyperium/hyper) - an HTTP implementation [](https://github.com/hyperium/hyper/actions?query=workflow%3ACI)
* [seanmonstar/reqwest](https://github.com/seanmonstar/reqwest) - an ergonomic HTTP Client.
* HTTP Server
* [actix/actix-web](https://github.com/actix/actix-web) - A lightweight async web framework with websocket support
* [Anansi](https://github.com/saru-tora/anansi) - A simple full-stack web framework
* [branca](https://crates.io/crates/branca) - Implementation of Branca for Authenticated and Encrypted API tokens.
* [c410-f3r/wtx](https://github.com/c410-f3r/wtx) - Low and high level HTTP/2 server
* [carllerche/tower-web](https://github.com/carllerche/tower-web) [[tower-web](https://crates.io/crates/tower-web)] - A fast, boilerplate free, web framework
* [danclive/sincere](https://github.com/danclive/sincere) - A micro web framework based on hyper and multithreading.
* [GildedHonour/frank_jwt](https://github.com/GildedHonour/frank_jwt) - JSON Web Token implementation.
* [Gotham](https://github.com/gotham-rs/gotham) - A flexible web framework that does not sacrifice safety, security or speed.
* [Graphul](https://github.com/graphul-rs/graphul) - An Express-inspired web framework. [](https://crates.io/crates/graphul)
* [handlebars-rust](https://github.com/sunng87/handlebars-rust) - an Iron web framework middleware.
* [hyperium/hyper](https://github.com/hyperium/hyper) - an HTTP implementation [](https://github.com/hyperium/hyper/actions?query=workflow%3ACI)
* [Iron](https://github.com/iron/iron) - A middleware-based server framework
* [Juniper](https://github.com/graphql-rust/juniper) - GraphQL server library
* [miketang84/sapper](https://github.com/miketang84/sapper) - A lightweight web framework built on async hyper.
* [Nickel](https://github.com/nickel-org/nickel.rs/) - inspired by [Express](http://expressjs.com/)
* [poem-web/poem](https://github.com/poem-web/poem) - A full-featured and easy-to-use web framework. [](https://github.com/poem-web/poem/actions/workflows/ci.yml)
* [Rocket](https://github.com/rwf2/Rocket) - Rocket is a web framework with a focus on ease-of-use, expressability, and speed
* [Rustless](https://github.com/rustless/rustless) - A REST-like API micro-framework inspired by [Grape](https://github.com/ruby-grape/grape) and [Hyper](https://github.com/hyperium/hyper)
* [Salvo](https://github.com/salvo-rs/salvo) - an easy to use webframework base on hyper and tokio. [/badge.svg?branch=master&event=push)](https://github.com/salvo-rs/salvo/actions)
* [Saphir](https://github.com/richerarc/saphir) - A progressive web framework with low-level control, without the pain.
* [seanmonstar/warp](https://github.com/seanmonstar/warp) - A super-easy, composable, web server framework for warp speeds. [](https://crates.io/crates/warp)
* [spring-rs](https://github.com/spring-rs/spring-rs) - spring-rs is a application framework written in rust inspired by java's spring-boot.
* [tiny-http](https://github.com/tiny-http/tiny-http) - Low level HTTP server library
* [tokio/axum](https://github.com/tokio-rs/axum) - Ergonomic and modular web framework built with Tokio, Tower, and Hyper [](https://github.com/tokio-rs/axum/actions/workflows/CI.yml)
* [tomaka/rouille](https://github.com/tomaka/rouille) - Web framework
* [Zino](https://github.com/zino-rs/zino) - Next-generation framework for composable applications
* Miscellaneous
* [cargonauts](https://github.com/cargonauts-rs/cargonauts) - A web framework intended for building maintainable, well-factored web apps.
* [edezhic/prest](https://github.com/edezhic/prest) [[prest](https://crates.io/crates/prest)] - Progressive RESTful framework aimed to simplify fullstack development
* [hominee/dyer](https://github.com/hominee/dyer) [[dyer](https://crates.io/crates/dyer)] - dyer is designed for reliable, flexible and fast Request-Response based service, including data processing, web-crawling and so on, providing some friendly, flexible, comprehensive features without compromising speed.
* [osohq/oso](https://github.com/osohq/oso) [[oso](https://crates.io/crates/oso)] - A policy engine for authorization that's embedded in your application. [](https://github.com/osohq/oso/actions?query=branch%3Amain+workflow%3ADevelopment)
* [pwoolcoc/soup](https://gitlab.com/pwoolcoc/soup) [[soup](https://crates.io/crates/soup)] - A library similar to Python's BeautifulSoup, designed to enable quick and easy manipulation and querying of HTML documents. [](https://gitlab.com/pwoolcoc/soup/badges/master/pipeline.svg)
* [pyrossh/rust-embed](https://github.com/pyrossh/rust-embed) - A macro to embed static assets into the rust binary
* [rookie](https://github.com/thewh1teagle/rookie) - Load cookies from any browser on any platform. 
* [rust-scraper/scraper](https://github.com/rust-scraper/scraper) [[scraper](https://crates.io/crates/scraper)] - HTML parsing and querying with CSS selectors. [](https://github.com/rust-scraper/scraper/actions)
* [serenity-rs/serenity](https://github.com/serenity-rs/serenity) [[serenity](https://crates.io/crates/serenity)] - A library for the Discord API
* [softprops/openapi](https://github.com/softprops/openapi) - A library for processing openapi spec files
* [svix/svix-webhooks](https://github.com/svix/svix-webhooks) [[svix](https://crates.io/crates/svix)] - A library for sending webhooks and verifying signatures.
* [tbot](https://gitlab.com/SnejUgal/tbot) [[tbot](https://crates.io/crates/tbot)] - Make cool Telegram bots easily [](https://gitlab.com/SnejUgal/tbot/-/commits/master)
* [teloxide/teloxide](https://github.com/teloxide/teloxide/) - An elegant Telegram bots framework [](https://github.com/teloxide/teloxide/actions)
* [tu6ge/valitron](https://github.com/tu6ge/valitron) [[valitron](https://crates.io/crates/valitron)] - An ergonomic, functional and configurable validator
* [utkarshkukreti/select.rs](https://github.com/utkarshkukreti/select.rs) [[select](https://crates.io/crates/select)] - A library to extract useful data from HTML documents, suitable for web scraping.
* [Utoipa](https://github.com/juhaku/utoipa) - Simple, Fast, Code first and Compile time generated OpenAPI documentation [](https://crates.io/crates/utoipa) [](https://github.com/juhaku/utoipa/actions/workflows/build.yaml)
* [Utoipauto](https://github.com/ProbablyClem/utoipauto) - Rust Macros to automate the addition of Paths/Schemas to Utoipa [](https://crates.io/crates/utoipauto)
* Reverse Proxy
* [sozu-proxy/sozu](https://github.com/sozu-proxy/sozu) [[sozu](https://crates.io/crates/sozu)] - A HTTP reverse proxy. [](https://github.com/sozu-proxy/sozu/actions/workflows/ci.yml)
* Static Site Generators
* [cobalt-org/cobalt.rs](https://github.com/cobalt-org/cobalt.rs) - Static site generator [](https://dev.azure.com/cobalt-org/cobalt-org/_build?definitionId=2)
* [FuGangqiang/mdblog.rs](https://github.com/FuGangqiang/mdblog.rs) [[mdblog](https://crates.io/crates/mdblog)] - Static site generator from markdown files.
* [getzola/zola](https://github.com/getzola/zola) [[zola](https://www.getzola.org/)] - An opinionated static site generator with everything built-in. [](https://dev.azure.com/getzola/zola/_build)
* [grego/blades](https://github.com/grego/blades) [[blades](https://www.getblades.org/)] - Blazing fast dead simple static site generator.
* [leven-the-blog/leven](https://github.com/leven-the-blog/leven) [[leven](https://crates.io/crates/leven)] - A simple, parallelized blog generator.
* [WebSocket](https://datatracker.ietf.org/doc/rfc6455/)
* [c410-f3r/wtx](https://github.com/c410-f3r/wtx) - Client and server with encryption support.
* [housleyjk/ws-rs](https://github.com/housleyjk/ws-rs) - lightweight, event-driven WebSockets
* [iddm/urlshortener-rs](https://github.com/iddm/urlshortener-rs) - A very simple urlshortener library. [](https://github.com/iddm/urlshortener-rs/actions/workflows/ci.yml) [](https://crates.io/crates/urlshortener)
* [rust-websocket](https://github.com/websockets-rs/rust-websocket) - A framework for dealing with WebSocket connections (both clients and servers)
* [snapview/tungstenite-rs](https://github.com/snapview/tungstenite-rs) - Lightweight stream-based WebSocket implementation.
* [swimos/ratchet](https://github.com/swimos/ratchet) [[ratchet_rs](https://crates.io/crates/ratchet_rs)] - Ratchet is a fast, lightweight and fully asynchronous implementation of the WebSocket protocol with support for extensions and Deflate.
* [vi/websocat](https://github.com/vi/websocat) - CLI for interacting with WebSockets, with functionality of Netcat, Curl and Socat.

## Registries

A registry allows you to publish your Rust libraries as crate packages, to share them with others publicly and privately.

* [Cloudsmith :heavy_dollar_sign:](https://cloudsmith.com/product/formats/cargo-registry) - A fully managed package management SaaS, with first-class support for public and private Cargo/Rust registries (plus many others). Has a generous free-tier and is also completely free for open-source.
* [Crates](https://crates.io) - The official public registry for Rust/Cargo.
* [w4/chartered](https://github.com/w4/chartered) - A private, authenticated, permissioned Cargo registry [](https://github.com/w4/chartered/actions/workflows/ci.yml)

## Resources

* Benchmarks
* [c410-f3r/wtx-bench](https://github.com/c410-f3r/wtx-bench) - Web benchmarks
* [TeXitoi/benchmarksgame-rs](https://github.com/TeXitoi/benchmarksgame-rs) - Implementations for the [The Computer Language Benchmarks Game](https://benchmarksgame-team.pages.debian.net/benchmarksgame/)
* Decks & Presentations
* [Learning systems programming with Rust](https://speakerdeck.com/jvns/learning-systems-programming-with-rust) - Presented by [Julia Evans](https://twitter.com/@b0rk) @ Rustconf 2016.
* [Rust: Hack Without Fear!](https://www.youtube.com/watch?v=lO1z-7cuRYI) - Presented by [Nicholas Matsakis](https://github.com/nikomatsakis) @ C++Now 2018
* [Shipping a Solid Rust Crate](https://www.youtube.com/watch?v=t4CyEKb-ywA) - Presented by [Michael Gattozzi](https://github.com/mgattozzi) @ RustConf 2017
* Learning
* [100 Exercises To Learn Rust](https://rust-exercises.com) - Learn Rust through 100 hands-on exercises, covering syntax, types, and more
* [Aquascope](https://github.com/cognitive-engineering-lab/aquascope) - Interactive visualizations of Rust at compile-time and run-time
* [Awesome Rust Streaming](https://github.com/jamesmunns/awesome-rust-streaming) - A community curated list of livestreams.
* [awesome-rust-mentors](https://rustbeginners.github.io/awesome-rust-mentors/) - A list of helpful mentors willing to take mentees and educate them about Rust and programming.
* [Build a language VM](https://blog.subnetzero.io/post/building-language-vm-part-00/) - a series of posts to detailing how to build a language VM.
* [CIS 198: Rust Programming](http://cis198-2016s.github.io/schedule/) - University of Pennsylvania's Comp Sci Rust Programming Course
* [CodeCrafters.io](https://app.codecrafters.io/tracks/rust) - Build your own Redis, Git, Docker, or SQLite
* [Comprehensive Rust 🦀](https://google.github.io/comprehensive-rust/) - A 3-day course on Rust Fundamentals plus 1-day courses on Android, Bare-metal Rust, and Concurrency. Available in English, [Brazilian Portuguese](https://google.github.io/comprehensive-rust/pt-BR/), and [Korean](https://google.github.io/comprehensive-rust/ko/).
* [Easy Rust](https://github.com/Dhghomon/easy_rust) - Learn Rust in easy English.
* [exercism.org](https://exercism.org/tracks/rust) - programming exercises that help you learn new concepts in Rust.
* [Hands-on Rust](https://pragprog.com/titles/hwrust/hands-on-rust/) - A hands-on guide to learning Rust by making games - by [Herbert Wolverson](https://github.com/thebracket/) (paid)
* [Idiomatic Rust](https://github.com/mre/idiomatic-rust) - A peer-reviewed collection of articles/talks/repos which teach idiomatic Rust.
* [Learn Rust by 500 lines code](https://github.com/cuppar/rtd) - Learn Rust by 500 lines code, build a Todo Cli Application from scratch.
* [Learning Rust With Entirely Too Many Linked Lists](https://rust-unofficial.github.io/too-many-lists/) - in-depth exploration of Rust's memory management rules, through implementing a few different types of list structures.
* [Little Book of Rust Books](https://lborb.github.io/book/) - Curated list of rust books and how-tos.
* [Programming Community Curated Resources for Learning Rust](https://hackr.io/tutorials/learn-rust) - A list of recommended resources voted by the programming community.
* [Refactoring to Rust](https://www.manning.com/books/refactoring-to-rust) - A book that introduces to Rust language.
* [Rust by Example](https://doc.rust-lang.org/rust-by-example/) - a collection of runnable examples that illustrate various Rust concepts and standard libraries.
* [Rust Cookbook](https://rust-lang-nursery.github.io/rust-cookbook/) - A collection of simple examples that demonstrate good practices to accomplish common programming tasks, using the crates of the Rust ecosystem.
* [Rust Flashcards](https://github.com/ad-si/Rust-Flashcards) - Over 550 flashcards to learn Rust from first principles.
* [Rust for professionals](https://overexact.com/rust-for-professionals/) - A quick introduction to Rust for experienced software developers.
* [Rust Gym](https://github.com/warycat/rustgym) - A big collection of coding interview problems solved in Rust.
* [Rust in Action](https://www.manning.com/books/rust-in-action) - A hands-on guide to systems programming with Rust by [Tim McNamara](https://github.com/timClicks) (paid)
* [Rust in Motion](https://www.manning.com/livevideo/rust-in-motion?a_aid=cnichols&a_bid=6a993c2e) - A video series by [Carol Nichols](https://github.com/carols10cents) and [Jake Goulding](https://github.com/shepmaster) (paid)
* [Rust Language Cheat Sheet](https://cheats.rs/) - Rust Language Cheat Sheet
* [Rust Tiếng Việt](https://rust-tieng-viet.github.io/) - Learn Rust in Vietnamese.
* [rust-how-do-i-start](https://github.com/jondot/rust-how-do-i-start) - A repo dedicated to answering the question: "So, Rust. How do I _start_?". A beginner only hand-picked resources and learning track.
* [rust-learning](https://github.com/ctjhoa/rust-learning) - A collection of useful resources to learn Rust
* [Rustlings](https://github.com/rust-lang/rustlings) - small exercises to get you used to reading and writing Rust code
* [Rusty CS](https://github.com/AbdesamedBendjeddou/Rusty-CS) - A Computer Science Curriculum that helps practice the acquired academic knowledge in Rust
* [stdx](https://github.com/brson/stdx) - Learn these crates first as an extension to std
* [Take your first steps with Rust](https://learn.microsoft.com/en-us/training/paths/rust-first-steps/) - Lay the foundation of knowledge you need to build fast and effective programs in Rust.
* [Tour of Rust](https://tourofrust.com) - This is meant to be an interactive step by step guide through the features of the Rust programming language.
* Podcasts
* [New Rustacean](https://newrustacean.com) - A podcast about learning Rust
* [Rustacean Station](https://rustacean-station.org/) - A community project for creating podcast content for Rust
* [Rust Design Patterns](https://github.com/rust-unofficial/patterns) - A catalogue of Rust design patterns, anti-patterns and idioms
* [Rust Guidelines](http://aturon.github.io/) - Aaron Turon's blog posts on rust
* [Rust Servers, Services and Apps - MEAP](https://www.manning.com/books/rust-servers-services-and-apps) - Build backend servers, services, and front-ends in Rust to get fast, reliable, and maintainable applications.
* [Rust Subreddit](https://www.reddit.com/r/rust/) - A subreddit(forum) where rust related questions, articles and resources are posted and discussed
* [RustBooks](https://github.com/sger/RustBooks) - list of RustBooks
* [RustCamp 2015 Talks](https://www.youtube.com/playlist?list=PLE7tQUdRKcybdIw61JpCoo89i4pWU5f_t) - Recorded talks from RustCamp 2015
* [RustViz](https://github.com/rustviz/rustviz) - generates visualizations from simple Rust programs to assist users in better understanding the Rust Lifetime and Borrowing mechanism.
* [Watch Jon Gjengset Implement BitTorrent in Rust](https://www.youtube.com/watch?v=jf_ddGnum_4) - Implementing (part of) a BitTorrent client in Rust

## License