Ecosyste.ms: Awesome

An open API service indexing awesome lists of open source software.

awesome-crystal

:gem: A collection of awesome Crystal libraries, tools, frameworks and software
https://github.com/veelenga/awesome-crystal

  • bisect - Inserting values into a sorted array
  • blurhash.cr - [BlurHash](https://github.com/woltapp/blurhash) implementation
  • crie - Compile-time Trie
  • CrOTP - HOTP and TOTP implementation for two factor authentication
  • crystal-linked-list - Implementation of Linked List
  • crystaledge - A pure Vector Math library
  • crystalg - A Generic Algorithm Library
  • crystalline - A collection of containers and algorithms
  • csuuid - A Chronologically Sortable UUID
  • edits.cr - Collection of edit distance algorithms
  • fzy - A Crystal port of awesome Fzy project fuzzy finder algorithm
  • Goban - A fast and efficient QR Code implementation
  • graphlb - Collection of graph datastructure and algorithms
  • haversine - An Implementation of the Haversine formula
  • HKDF - HMAC-based Extract-and-Expand Key Derivation Function [rfc5869](https://www.rfc-editor.org/rfc/rfc5869)
  • kd_tree - An implementation of "K-Dimensional Tree" and "N-Nearest Neighbors"
  • ksuid.cr - K-Sortable Globally Unique IDs
  • markov - Build Markov Chains and run Markov Processes
  • multiset.cr - Implementation of a multiset
  • named_information - Naming Things with Hashes [rfc6920](https://datatracker.ietf.org/doc/html/rfc6920)
  • qr-code - QR Code generator
  • radix - Radix Tree implementation
  • s2_cells - [S2 Geometry](https://s2geometry.io/devguide/s2cell_hierarchy.html) for spatial indexing
  • secure-remote-password - SRP-6a protocol for authentication over an insecure network
  • SPAKE2+ - Password Authenticated Key Exchange (PAKE) protocol, comparable to SRP-6a
  • splay_tree_map - Splay Tree implementation that conforms to the Hash ducktype
  • verhoeff - Implementation of the Verhoeff checksum algorithm
  • Axentro - A custom blockchain platform
  • Cocol - A minimal blockchain testbed
  • secp256k1.cr - Elliptic curve used in the public-private-key cryptography
  • augeas.cr - Bindings for [Augeas](https://augeas.net/)
  • clang.cr - Libclang bindings
  • crt.cr - Bindings for libncursesw and crt
  • crystal-gsl - Bindings for [GNU Scientific Library](https://www.gnu.org/software/gsl/)
  • crystal-hunspell - Bindings for [Hunspell](https://hunspell.github.io/)
  • duktape.cr - Bindings for the [Duktape](https://github.com/svaarala/duktape) javascript engine
  • fftw.cr - Bindings for [FFTW](https://fftw.org/) library
  • gphoto2.cr - Bindings for the [libgphoto2](http://www.gphoto.org/) library
  • icu.cr - Bindings for the [ICU](http://site.icu-project.org/) library
  • libnotify.cr - Bindings for Libnotify
  • nlopt.cr - Bindings for [NLOpt](https://nlopt.readthedocs.io/en/latest/)
  • pcap.cr - Bindings for libpcap
  • pledge.cr - Bindings for OpenBSD's `pledge(2)`
  • ssh2.cr - Bindings for libssh2 library
  • syslog.cr - Bindings for `syslog`
  • v4l2.cr - Bindings for [Video4Linux2](https://en.wikipedia.org/wiki/Video4Linux)
  • wasmer-crystal - Bindings for the `wasmer` WebAssembly runtime
  • win32cr - Bindings for Win32 API
  • x_do.cr - Bindings for libxdo ([`xdotool`](https://github.com/jordansissel/xdotool))
  • crystal-memcached - Implementation of a memcached client
  • admiral - A robust DSL for writing command line interfaces
  • Athena Console - Allows for the creation of CLI based commands
  • clicr - A simple declarative command line interface builder
  • clim - Slim command line interface builder
  • Cling - A modular, non-macro-based command line interface library
  • commander - Command-line interface builder
  • Keimeno - A lightweight text user interface library in Crystal
  • OptionParser - command-line options processing (Crystal stdlib)
  • Phreak - A highly flexible Crystal CLI builder in the style of OptionParser
  • climate - Tiny tool to make your CLI output 🌈 coloured
  • coin - Command-line application that performs currency conversion via the [Fixer API](https://fixer.io)
  • cride - A light CLI text editor/IDE
  • git-repository - A git cli wrapper querying and cloning remote repositories with minimal data transfer
  • hetzner-k3s - A CLI tool to quickly create and manage Kubernetes clusters in Hetzner Cloud
  • lff - Simple and straightforward large files finder utility in command line
  • meet - Start a jitsi meeting quickly from the comfort of your command line
  • oq - A performant, and portable jq wrapper to facilitate the consumption and output of formats other than JSON; using [jq](https://github.com/stedolan/jq) filters to transform the data
  • progress_bar.cr - A simple and customizable progress bar
  • tablo - A flexible terminal table generator
  • tallboy - Generate ASCII character tables with support for spanning cells over multiple columns
  • ameba - A static code analysis tool
  • linguist.cr - Using multiple ways to find programming language used in files, based on Github's Linguist
  • Crystar - Readers and writers of Tar archive format
  • Gzip - readers and writers of gzip format (Crystal stdlib)
  • polylines.cr
  • snappy - Snappy compression format reader/writer for Crystal
  • Zip - readers and writers of zip format (Crystal stdlib)
  • Zlib - readers and writers of zlib format (Crystal stdlib)
  • zstd.cr - Bindings for [Zstandard](https://github.com/facebook/zstd) compression library
  • cr-dotenv - Loads .env file
  • Envy - Load environment variables from YAML
  • envyable - A simple YAML to ENV config loader
  • habitat - Type safe configuration for your classes and modules
  • totem - Load and parse a configuration in JSON, YAML, dotenv formats
  • base62.cr - Base62 encoder/decoder, well suited for url-shortening
  • crunits - Tool for converting units of measure (miles to kilometers, celsius to fahrenheit etc)
  • money - Handling money and currency conversion with ease (almost complete port of [RubyMoney](https://github.com/RubyMoney/money))
  • sass.cr - Compile SASS/SCSS to CSS ([libsass](https://github.com/sass/libsass/) binding)
  • cmac - Crystal implementation of Cipher-based Message Authentication Code (CMAC)
  • ed25519 - the Ed25519 elliptic curve public-key signature system
  • monocypher.cr - Crystal wrapper for the Monocypher crypto library
  • sodium.cr - Crystal wrapper for the libsodium crypto API
  • BinData - Binary data parser helper with an [ASN.1](https://en.wikipedia.org/wiki/Abstract_Syntax_Notation_One) parser
  • config.cr - Easy to use configuration format parser
  • crinder - Class based json renderer
  • Crystalizer - (De)serialize any Crystal object; supporting JSON, YAML, and Byte formats out of the box
  • CSV - parsing and generating for comma-separated values (Crystal stdlib)
  • front_matter.cr - Separates a files front matter from its content
  • geoip2.cr - GeoIP2 reader
  • HAR - HAR (HTTP Archive) parser
  • INI - INI file parser (Crystal stdlib)
  • JSON - parsing and generating JSON documents (Crystal stdlib)
  • json-schema - convert JSON serializable classes into a [JSON Schema](https://json-schema.org/) representation
  • JSON::OnSteroids - handle and mutate JSON document easily
  • maxminddb.cr - MaxMindDB reader
  • toml.cr - TOML parser
  • XML - parsing and generating XML documents (Crystal stdlib)
  • YAML - parsing and generating YAML documents (Crystal stdlib)
  • faker - A library for generating fake data
  • hashids.cr - A library to generate YouTube-like ids from one or many numbers
  • prime - A prime number generator
  • couchdb.cr - CouchDB client
  • cryomongo - MongoDB driver
  • crystal-db - Common db api
  • crystal-ldap - LDAP client
  • crystal-mysql - MySQL connector for Crystal
  • crystal-pg - A Postgres driver
  • crystal-redis - Full featured Redis client
  • crystal-rethinkdb - Driver for RethinkDB / RebirthDB
  • crystal-sqlite3 - SQLite3 bindings
  • leveldb - Crystal bindings for LevelDB
  • rocksdb.cr - RocksDB client
  • surrealdb.cr - Unoffical SurrealDB HTTP & Websocket Client
  • migrate - A simpler database migration tool with transactions
  • backtracer.cr - Shard aiming to assist with parsing backtraces into a structured form
  • debug.cr - `debug!(…)` macro for `pp`-style debugging
  • Athena Dependency Injection - Robust dependency injection service container framework
  • Crystal-DI - Lightweight DI Container
  • HardWire - A compile-time non-intrusive dependency injection system
  • syringe - A simple and basic dependency injection shard for crystal
  • carbon - Fun, testable, and adapter-based email library
  • crystal-email - Simple e-mail sending library
  • CrystalEmail - A RFC compliant Email validator
  • sendgrid.cr - Simple Sendgrid Client
  • asdf-crystal - Plugin for asdf version manager
  • crenv - Crystal version manager
  • rcm.cr - Redis Cluster Manager
  • vfox-crystal - Plugin for vfox version manager
  • blackjack-cr - Console Blackjack
  • crystal-patterns - Examples of GOF patters
  • crystalworld - [realworld.io](https://realworld.io) back-end API implementation
  • exercism-crystal - Exercism exercises
  • try.cr - Try monad
  • Athena Event Dispatcher - A Mediator and Observer pattern event library
  • Athena Negotiation - Framework agnostic content negotiation library
  • device_detector - Shard for detect device by user agent string
  • Exception Page - An exceptional exception page for Crystal web libraries and frameworks
  • graphql - Type-safe [GraphQL](http://graphql.org) server implementation
  • graphql-crystal - [GraphQL](http://graphql.org) implementation
  • kemal-session - Session handler for Kemal
  • mochi - Authentication shard inspired by Devise supporting: Authenticable, Confirmable, Invitable & more
  • motion.cr - Object oriented frontend library for Amber
  • multi-auth - Standardized multi-provider OAuth2 authentication (inspired by omniauth)
  • praetorian - Minimalist authorization library inspired by Pundit
  • Shield - Comprehensive security for *Lucky* framework
  • shrine.cr - File Attachment toolkit for Crystal applications. Heavily inspired by Shrine for Ruby
  • tourmaline - Telegram bot framework with an API loosely based on [telegraf.js](https://telegraf.js.org/)
  • CrSFML - Bindings to [SFML](https://www.sfml-dev.org/) multimedia/game library
  • crystal-chipmunk - Bindings to [Chipmunk](http://chipmunk-physics.net/), a fast and lightweight 2D game physics library
  • crystal-imgui-sfml - Bindings to integrate [Dear ImGui](https://github.com/ocornut/imgui) into an [SFML](https://www.sfml-dev.org/) project
  • entitas.cr - A Entity Component System Framework for Crystal
  • MyECS - A Sparse Entity Component System Framework for Crystal
  • Raylib-cr - Direct bindings to [Raylib](https://raylib.com), which supports Linux, Windows, and Mac
  • SDL-Crystal-Bindings - Direct (unsafe) bindings to [SDL2](https://www.libsdl.org/), intended for writing own game libraries
  • crystal-imgui - Bindings to [Dear ImGui](https://github.com/ocornut/imgui), an immediate-mode graphical UI library
  • GTK4.cr - Bindings for [GTK4](https://docs.gtk.org/gtk4/overview.html) with Crystalized API
  • Iu - UI framework based on the [Fusion/libui.cr](https://github.com/Fusion/libui.cr) library, with custom elements and modified bindings from [hedron-crystal/hedron](https://github.com/hedron-crystal/hedron)
  • Ultimate GTK4 Crystal Guide - Learn how to create premium GTK4 apps in Crystal
  • blueprint - Write reusable and testable HTML templates in plain Crystal
  • form_builder.cr - Dead simple HTML form builder for Crystal with built-in support for many popular UI libraries such as Bootstrap
  • to_html - The fastest HTML builder engine for Crystal
  • Water - A library for writing HTML in plain Crystal
  • docx_cr_converter - parse DOCX Word
  • myhtml - Fast HTML5 Parser that includes CSS selectors
  • Cable - An ActionCable "port" to Crystal, framework agnostic, 100% compatible with the ActionCable JS Client
  • cossack - Simple flexible HTTP client
  • crest - Simple HTTP and REST client, inspired by the Ruby's RestClient gem
  • crul - Command line HTTP client
  • digest-auth - Digest authentication
  • halite - Crystal HTTP Requests with a chainable REST API, built-in sessions and loggers
  • http-multiserver.cr - Mounting multiple servers via routes (a.k.a. URL mapping)
  • http-params-serializable - HTTP params (de)serialization, applicable to URL queries and URL-encoded forms
  • http-protection - Protection against typical web attacks
  • http2 - HTTP/2 Protocol Implementation
  • HTTP::Client - HTTP client (Crystal stdlib)
  • HTTP::Server - HTTP server (Crystal stdlib)
  • HTTP::WebSocket - HTTP WebSocket client (Crystal stdlib)
  • link-header - HTTP Link Header Parser
  • ntlm - NTLM authentication
  • proxy-fetcher.cr - Proxy lists fetching & validating library
  • sse.cr - [Server-Sent Events](https://html.spec.whatwg.org/multipage/server-sent-events.html) client
  • celestine - Create SVG images using a DSL
  • ffmpeg - FFmpeg bindings that works with StumpyPNG to extract frames
  • Pluto - A fast and convenient image processing library
  • stumpy_png - Read and write PNG images
  • charly - Charly Programming Language
  • cltk - A crystal port of the Ruby Language Toolkit
  • crisp - Lisp dialect implemented with Crystal
  • LinCAS-lang - A programming language for scientific computation
  • mint-lang - A refreshing programming language for the front-end web
  • myst-lang - A practical, dynamic language designed to be written and understood as easily and efficiently as possible
  • novika - A free-form, moldable, interpreted programming language
  • runic-lang - In-design toy language
  • crystal-i18n - An internationalization library inspired by Ruby-I18n
  • i18n.cr - Internationalization shard
  • Lens - A multiformat internationalization (i18n) shard for Crystal. Supports Gettext, Ruby YAML, etc.
  • Rosetta - A blazing fast internationalization (i18n) library with compile-time key lookup supporting YAML and JSON formats
  • crafana - A [Grafana](https://grafana.com/) library to help autogenerate dashboards
  • fiber_metrics.cr - Track run time, wait time, or memory allocations per `Fiber`, method or block
  • Log - logging utility (Crystal stdlib)
  • statsd.cr - [Statsd](https://github.com/etsy/statsd) client library
  • ai4cr - Artificial Intelligence (based on https://github.com/SergioFierens/ai4r)
  • Cadmium - NLP library based heavily on [natural](https://github.com/NaturalNode/natural)
  • crystal-fann - FANN (Fast Artifical Neural Network) binding
  • mxnet.cr - Bindings for [MXNet](https://mxnet.incubator.apache.org/)
  • shainet - SHAInet (Neural Network in pure crystal)
  • cr-cmark-gfm - Crystal C bindings for cmark-gfm to work with Commonmark and Github Flavored Markdown
  • markd - Yet another markdown parser built for speed, Compliant to CommonMark specification
  • aasm.cr - Easy to use finite state machine for Crystal classes
  • any_hash.cr - Recursive Hash with better JSON::Any included
  • anyolite - Full mruby interpreter with simple bindings, allowing for easy scripting support in projects
  • burocracia.cr - burocracia.cr the dependecyless shard to validate, generate and format Brazilian burocracias such as CPF, CNPJ and CEP
  • callbacks - Expressive callbacks module
  • circuit_breaker - Implementation of the circuit breaker pattern
  • CrSignals - Signals/slots notification library
  • crystal-binary_parser - Binary parser
  • crystal-web-framework-stars - Web frameworks for Crystal, most starred on Github
  • crz - Functional programming library
  • defined - macros for conditional compilation based on constant definitions, version requirements, or environment variable settings
  • emoji.cr - Emoji library
  • gphoto2-web.cr - Web API for libgphoto2
  • immutable - Implementation of thread-safe, persistent, immutable collections
  • iterm2 - Display images within the terminal using the ITerm2 Inline Images Protocol
  • monads - Monad implementation
  • observable - Implementation of the observer pattern
  • pinger - Ping IP addresses and DNS entries without requiring sudo
  • port_midi - Crystal C bindings for the PortMIDI cross-platform MIDI I/O library
  • retriable.cr - Simple DSL to retry failed code blocks
  • serf-handler.cr - Framework for building Serf handlers, with a suite of useful builtin capabilities
  • simple_retry - Simple tool for retrying failed code blocks
  • sslscan.cr - Crystal shard wrapping the rbsec/sslscan utility
  • version_tools - Version-dependent behaviour, specified at compile-time
  • wafalyzer - Web Application Firewall (WAF) Detector - shard + cli
  • zaru_crystal - Filename sanitization
  • amqp-client.cr - AMQP 0-9.1, a messaging protocol, implemented by eg. RabbitMQ
  • connect-proxy - Connect method style of HTTP tunnelling / HTTP proxy
  • cr-xmpp - XMPP/Jabber Library
  • Crirc - IRC protocol implementation (Client, Server, Bots)
  • crystal-bacnet - BACnet protocol implementation with BACnet/IP client
  • crystal-dns - DNS protocol implementation and resolver
  • crystal-json-socket - JSON-socket client & server implementation. Inspired by and compatible with [node-json-socket](https://github.com/sebastianseilund/node-json-socket/) and [ruby-json-socket](https://github.com/foi/ruby-json-socket)
  • crystal-mqtt - A MQTT client
  • crystal-snmp - An SNMP implementation with version 1, 2c and 3 support
  • fast_irc.cr - Fast IRC parser/generator
  • jwt - Implementation of JWT (JSON Web Token)
  • mDNS - DNS Service Discovery and multicast DNS
  • mqtt-client.cr - A fast and lightweight MQTT client
  • msgpack-crystal - MessagePack library
  • OAuth - OAuth consumer (Crystal stdlib)
  • OAuth2 - OAuth2 client (Crystal stdlib)
  • OpenSSL - bindings to libssl (Crystal stdlib)
  • simple_rpc - RPC Server and Client for Crystal. Implements msgpack-rpc protocol
  • stomp - STOMP protocol
  • telnet.cr - Telnet protocol
  • transfer_more - Clone of transfer.sh to uploads files
  • ipaddress.cr - Library to handle IPv4 and IPv6 addresses
  • mac-address - Library for working with MAC addresses
  • avram - A database wrapper for reading, writing, and migrating Postgres databases
  • clear - ORM specialized to PostgreSQL only but with advanced features
  • crecto - Database wrapper, based on Ecto
  • granite - ORM for Postgres, Mysql, Sqlite
  • jennifer.cr - Active Record pattern implementation with flexible query chainable builder and migration system
  • rethinkdb-orm - ORM for RethinkDB / RebirthDB
  • shards - Dependency manager for the Crystal
  • await_async - Add keywords await & async in Crystal Lang
  • concurrent.cr - Simplified concurrency using streams/pipelines, waitgroups, semaphores, smores and more
  • neph - A modern command line job processor that can execute jobs concurrently
  • promise - A Promise implementation with type inference
  • werk - Dead simple task runner with concurrent support, ideal for local CI
  • crystal_lib - Automatic binding generator for native libraries
  • fez - A Kemal application generator
  • libgen - Automatic bindings generator configured using JSON/YAML files
  • crafka - Apache Kafka library utilizing `librdkafka`
  • mosquito - Redis backed periodic and ad hoc job processing
  • NATS.io - NATS client
  • sidekiq.cr - Simple, efficient job processing
  • orion - A minimal, rails-esque routing library
  • router.cr - Minimum but powerful http router for HTTP::Server
  • crystime - Advanced time, calendar, schedule, and remind library
  • schedule.cr - Run periodic tasks
  • tasker - A high precision scheduler including timezone aware cron jobs
  • alea - Repeatable sampling, CDF and other utilities to work with probability distributions
  • ishi - Graph plotting package with a small API and sensible defaults powered by gnuplot
  • linalg - Linear algebra library inspired by MATLAB and SciPy.linalg
  • num.cr - Numerical computing library supporting N-Dimensional data
  • predict.cr - Satellite prediction library using the sgp4 model
  • quartz - Modeling and simulation framework
  • hermes - Data Mapper pattern implementation for ElastiSearch
  • crystal_openfaas - Template to enable crystal as first class citizens in OpenFaaS
  • secrets-env - Extends ENV module to read values injected by docker / kubernetes secrets and other orchestration tools
  • baked_file_system - Virtual file system implementation
  • hardware - Get CPU, Memory and Network informations of the running OS and its processes
  • cake - Production-ready Make-like utility tool
  • sam - Another one Rake-like task manager with namespacing and arguments system
  • crinja - An implementation of the [Jinja2 template engine](http://jinja.pocoo.org/)
  • crustache - [{{Mustache}}](https://mustache.github.io) for Crystal
  • ECR (Embedded Crystal) - compile time template language which uses plain crystal expressions (Crystal stdlib)
  • Jbuilder - Generate JSON objects with a Builder-style DSL, inspired by jbuilder
  • Kilt - Abstraction layer for template engines
  • Slang - Lightweight, terse, templating language inspired by Ruby's Slim
  • teeplate - A library for rendering multiple template files
  • Athena Spec - Common/helpful [Spec](https://crystal-lang.org/api/Spec.html) compliant testing utilities
  • crotest - A tiny and simple test framework
  • crytic - Mutation testing framework
  • hashr - A tiny class makes test on JSON response easier
  • LuckyFlow - Automated browser tests similar to Capybara
  • mass-spec - Web API testing library
  • microtest - Small opinionated testing library focusing on power asserts
  • minitest.cr - Library for unit tests and assertions
  • mocks.cr - Mocking library for Crystal
  • selenium.cr - Selenium client for interacting with web pages for browser automation
  • Spec - spec framework (Crystal stdlib)
  • spectator - Feature rich spec framework that uses the modern expect syntax
  • timecop.cr - Library for mocking with `Time.now`. Inspired by the [timecop ruby gem](https://github.com/travisjeffery/timecop)
  • vcr - A HTTP capture and replay implementation for crystal
  • webdriver_pump - Page Object library. Inspired by Ruby's [WatirPump](https://github.com/bwilczek/watir_pump)
  • webmock.cr - Library for stubbing `HTTP::Client` requests
  • amazonite - An unofficial SDK supporting popular AWS APIs
  • aws-signer.cr - This library signs your HTTP requests using AWS v4
  • awscr-s3 - AWS S3 interface
  • awscr-signer - Sign HTTP::Request objects and generate presigned post forms
  • crystal-consul - Consul API client
  • crystal-darksky - Wrapper for the [Dark Sky](https://darksky.net) API
  • crystal-swapi - Star Wars API (SWAPI) wrapper
  • crystal_slack - A tool that parses Slack slash commands or send incoming web hooks
  • GDAX - GDAX REST and WebSocket API Wrapper with request signing
  • gitlab.cr - GitLab API wrapper
  • google - Google API wrapper
  • host_meta - A Web Host Metadata (https://tools.ietf.org/html/rfc6415) client
  • kube-client.cr - Kubernetes API Client
  • mixpanel-crystal - A library for sending events to Mixpanel
  • mollie.cr - [Mollie](https://www.mollie.com/en/) Payments API wrapper (Creditcard, PayPal, Apple Pay, Sofort, Klarna, ...)
  • office365 - Microsoft Graph API wrapper
  • pinboard.cr - [Pinboard](https://pinboard.in) API
  • raven.cr - Raven is a client for [Sentry](https://github.com/getsentry/sentry)
  • stripe.cr - Stripe api wrapper
  • tmdb.cr - The Movie DB (TMDb) api wrapper
  • twitter-crystal - A library to access the Twitter API
  • web_finger - A WebFinger (https://tools.ietf.org/html/rfc7033) client
  • ynab.cr - A library to interact with your YNAB data
  • accord - Shareable validation library for Crystal Objects
  • Athena Validator - Robust & flexible validation framework
  • validations - Validations mixin
  • validator - Data check and validation
  • amber - Open source efficient and cohesive web application framework
  • Athena - A web framework comprised of reusable, independent components
  • grip - The microframework for writing powerful web applications
  • kemal - Lightning Fast, Super Simple web framework. Inspired by Sinatra
  • lucky - Catch bugs early, forget about most performance issues, and spend more time on code instead of debugging and writing tests
  • marten - A web framework that makes building web applications easy, productive, and fun
  • runcobo - An api framework with simple, intuitive and consistent DSL, using jbuilder to render json
  • Shivneri - Component based MVC web framework for crystal targeting good code structures, modularity & performance
  • spider-gazelle - A Rails esque web framework with a focus on speed and extensibility
  • Crystal Forum
  • Crystal newsletter
  • Gitter
  • Reddit
  • Stackoverflow
  • Chinese-speaking Telegram Group - 来吧！TG 中文圈的朋友们！
  • Crystal Programming Discord Server - Unofficial Discord server dedicated to the Crystal Programming Language
  • Portuguese-speaking Telegram Group - Bem vindos ao Crystal Brasil!
  • Russian-speaking Telegram Group - Добро пожаловать, товарищ!
  • Crystal for Rubyists - Free book to bootstrap your Crystal journey
  • Crystal Shards for Ruby Gems - A list of Ruby Gems and their Crystal Shards equivalents
  • crystal-koans - Learn Crystal by writing unit tests
  • crystal-lang.org - Official language site
  • devdocs.io - API Documentation Browser with Crystal support
  • Learn X in Y minutes - Quick tutorial on Crystal
  • Programming Crystal - PragProg book to start your Crystal journey
  • Usability of Programming Languages - Comparison of Python, Rust, Crystal
  • br.crystal-lang.org - Brazilian
  • ja.crystal-lang.org - Japanese
  • kr.crystal-lang.org - Korean
  • ru.crystal-lang.org - Russian
  • tw.crystal-lang.org - Chinese Traditional
  • carc.in - A web service that runs your code and displays the result
  • Crank - A Procfile-based application manager (like Foreman)
  • cry - Ability to execute crystal code in a fashion similar to Ruby's pry edit
  • Crystal [ANN - Announce new project, blog post, version update or any other Crystal work
  • DeBot - IRC bot written in Crystal
  • icr - Interactive console for Crystal (like IRB for Ruby)
  • Invidious - Invidious is an alternative front-end to YouTube
  • mpngin - A URL shortener with simple stats
  • procodile - Run processes in the background (and foreground) on Mac & Linux from a Procfile (for production and/or development environments)
  • quicktype - Generate models and serializers from JSON, JSON Schema, GraphQL, and TypeScript
  • shards.info - Web service that lists all repositories on GitHub that have Crystal code in them. The sources are available on [GitHub](https://github.com/mamantoha/shards-info)
  • ast_helper - Helper tool to debug parser and formatter
  • crystal-base - CentOS base docker image for Crystal development
  • crystal-dash-docset - [Dash](https://kapeli.com/dash) docset generator
  • port_ruby_to_crystal - A regex replace ruby script for port ruby code to crystal easier, reduce friction
  • public_suffix - A small library designed to make the Public Suffix List (https://publicsuffix.org/) easier to use
  • ansible-crystal - Ansible playbook for installing crystal
  • DPPM - An easy, universal way to install and manage applications as packages (mostly Linux)
  • acmecrystal - Reformats crystal code in acme
  • crystal-tools - Enables built in tools in Crystal compiler
  • language-crystal-actual - Crystal language support in Atom
  • crystal-mode - Crystal language support for Emacs ([crystal-lang-tools/emacs-crystal-mode](https://github.com/crystal-lang-tools/emacs-crystal-mode))
  • geany-crystal - Crystal support for the [Geany editor](https://www.geany.org/)
  • intellij-crystal-lang - Crystal support for the JetBrains IDEs
  • lite-plugin-crystal - Crystal support for the [Lite-XL](https://lite-xl.com/en/) editor
  • crystal-spacemacs-layer - Spacemacs contribution layer for Crystal
  • sublime-crystal - Crystal syntax highlighting for sublime Text
  • Crystal.tmbundle - Crystal syntax highlighting, compile, format command, snippets
  • vim-crystal - Vim filetype support for Crystal
  • vim-slang - Vim filetype support for Slang Templating Engine
  • vscode-crystal-lang - Formatter, linter and syntax highlighting for `cr` and `ecr` files
  • crystalline - A collection of containers and algorithms
  • scry - Code analysis server for Crystal implementing the [Language Server Protocol](https://microsoft.github.io/language-server-protocol/)
  • crun - Crystal Run : shebang wrapper for Crystal
  • crystal-zsh - .oh-my-zsh plugin
Programming Languages
Crystal 340 Shell 5 C 2 TypeScript 2 HTML 1 C++ 1 Makefile 1 Ruby 1 Nix 1 Go 1
Keywords
crystal 221 crystal-lang 31 crystal-language 29 testing 10 cli 10 shard 8 shards 7 json 7 database 7 web-framework 6 bindings 6 kemal 6 component 6 internationalization 5 web 5 framework 5 lucky-framework 5 language 5 api 5 orm 5 redis 4 data-structures 4 configuration 4 yaml 4 html 4 mysql 4 fast 4 crystal-shard 4 http 4 machine-learning 4 security 3 middleware 3 command-line 3 i18n 3 blockchain 3 translation 3 l10n 3 localization 3 parser 3 locale 3 spec 3 aws 3 markdown 3 router 3 docker 3 postgres 3 programming-language 2 rspec 2 deep-learning 2 repl 2