{"id":29419865,"url":"https://github.com/bytecodealliance/wasip3-prototyping","last_synced_at":"2025-10-10T07:06:24.250Z","repository":{"id":275588976,"uuid":"925366518","full_name":"bytecodealliance/wasip3-prototyping","owner":"bytecodealliance","description":"Fork of wasmtime for protoyping WASIp3 work and coordination, not intended for any production use case, purely for 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align=\"center\"\u003e\n  \u003ch1\u003e\u003ccode\u003ewasmtime\u003c/code\u003e\u003c/h1\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eA standalone runtime for\n    \u003ca href=\"https://webassembly.org/\"\u003eWebAssembly\u003c/a\u003e\u003c/strong\u003e\n  \u003c/p\u003e\n\n  \u003cstrong\u003eA \u003ca href=\"https://bytecodealliance.org/\"\u003eBytecode Alliance\u003c/a\u003e project\u003c/strong\u003e\n\n  \u003cp\u003e\n    \u003ca href=\"https://github.com/bytecodealliance/wasmtime/actions?query=workflow%3ACI\"\u003e\u003cimg src=\"https://github.com/bytecodealliance/wasmtime/workflows/CI/badge.svg\" alt=\"build status\" /\u003e\u003c/a\u003e\n    \u003ca href=\"https://bytecodealliance.zulipchat.com/#narrow/stream/217126-wasmtime\"\u003e\u003cimg src=\"https://img.shields.io/badge/zulip-join_chat-brightgreen.svg\" alt=\"zulip chat\" /\u003e\u003c/a\u003e\n    \u003cimg src=\"https://img.shields.io/badge/rustc-stable+-green.svg\" alt=\"supported rustc stable\" /\u003e\n    \u003ca href=\"https://docs.rs/wasmtime\"\u003e\u003cimg src=\"https://docs.rs/wasmtime/badge.svg\" alt=\"Documentation Status\" /\u003e\u003c/a\u003e\n  \u003c/p\u003e\n\n  \u003ch3\u003e\n    \u003ca href=\"https://bytecodealliance.github.io/wasmtime/\"\u003eGuide\u003c/a\u003e\n    \u003cspan\u003e | \u003c/span\u003e\n    \u003ca href=\"https://bytecodealliance.github.io/wasmtime/contributing.html\"\u003eContributing\u003c/a\u003e\n    \u003cspan\u003e | \u003c/span\u003e\n    \u003ca href=\"https://wasmtime.dev/\"\u003eWebsite\u003c/a\u003e\n    \u003cspan\u003e | \u003c/span\u003e\n    \u003ca href=\"https://bytecodealliance.zulipchat.com/#narrow/stream/217126-wasmtime\"\u003eChat\u003c/a\u003e\n  \u003c/h3\u003e\n\u003c/div\u003e\n\n## Installation\n\nThe Wasmtime CLI can be installed on Linux and macOS (locally) with a small install\nscript:\n\n```console\ncurl https://wasmtime.dev/install.sh -sSf | bash\n```\nThis script installs into `$WASMTIME_HOME` (defaults to `$HOME/.wasmtime`), and executable is placed in `$WASMTIME_HOME/bin`.\n\nAfter running the install script above, follow the on-screen instructions.\n\nWindows or otherwise interested users can download installers and\nbinaries directly from the [GitHub\nReleases](https://github.com/bytecodealliance/wasmtime/releases) page.\n\nFor additional installation options, refer to the [online book CLI installation page](https://docs.wasmtime.dev/cli-install.html).\n\nDocumentation on Wasmtime's currently supported versions can be found [in the\nonline book\ndocumentation](https://docs.wasmtime.dev/stability-release.html#current-versions).\n\n## Example\n\nIf you've got the [Rust compiler\ninstalled](https://www.rust-lang.org/tools/install) then you can take some Rust\nsource code:\n\n```rust\nfn main() {\n    println!(\"Hello, world!\");\n}\n```\n\nand compile it into a WebAssembly component with:\n\n```console\nrustup target add wasm32-wasip2\nrustc hello.rs --target wasm32-wasip2\n```\n\nOnce compiled, you can run your component:\n\n```console\nwasmtime hello.wasm\n```\n\nYou should see the following output:\n\n```text\nHello, world!\n```\n\n(Note: make sure you installed Rust using the [`rustup`][rustup] method in the official\ninstructions above, and do not have a copy of the Rust toolchain installed on\nyour system in some other way as well (e.g. the system package manager). Otherwise, the `rustup target add...`\ncommand may not install the target for the correct copy of Rust.)\n\n[rustup]: https://rustup.rs\n\n## Features\n\n* **Fast**. Wasmtime is built on the optimizing [Cranelift] code generator to\n  quickly generate high-quality machine code either at runtime or\n  ahead-of-time. Wasmtime is optimized for efficient instantiation, low-overhead\n  calls between the embedder and wasm, and scalability of concurrent instances.\n\n* **[Secure]**. Wasmtime's development is strongly focused on correctness and\n  security. Building on top of Rust's runtime safety guarantees, each Wasmtime\n  feature goes through careful review and consideration via an [RFC\n  process]. Once features are designed and implemented, they undergo 24/7\n  fuzzing donated by [Google's OSS Fuzz]. As features stabilize they become part\n  of a [release][release policy], and when things go wrong we have a\n  well-defined [security policy] in place to quickly mitigate and patch any\n  issues. We follow best practices for defense-in-depth and integrate\n  protections and mitigations for issues like Spectre. Finally, we're working to\n  push the state-of-the-art by collaborating with academic researchers to\n  formally verify critical parts of Wasmtime and Cranelift.\n\n* **[Configurable]**. Wasmtime uses sensible defaults, but can also be\n  configured to provide more fine-grained control over things like CPU and\n  memory consumption. Whether you want to run Wasmtime in a tiny environment or\n  on massive servers with many concurrent instances, we've got you covered.\n\n* **[WASI]**. Wasmtime supports a rich set of APIs for interacting with the host\n  environment through the [WASI standard](https://wasi.dev).\n\n* **[Standards Compliant]**. Wasmtime passes the [official WebAssembly test\n  suite](https://github.com/WebAssembly/testsuite), implements the [official C\n  API of wasm](https://github.com/WebAssembly/wasm-c-api), and implements\n  [future proposals to WebAssembly](https://github.com/WebAssembly/proposals) as\n  well. Wasmtime developers are intimately engaged with the WebAssembly\n  standards process all along the way too.\n\n[Wasmtime]: https://github.com/bytecodealliance/wasmtime\n[Cranelift]: https://cranelift.dev/\n[Google's OSS Fuzz]: https://google.github.io/oss-fuzz/\n[security policy]: https://bytecodealliance.org/security\n[RFC process]: https://github.com/bytecodealliance/rfcs\n[release policy]: https://docs.wasmtime.dev/stability-release.html\n[Secure]: https://docs.wasmtime.dev/security.html\n[Configurable]: https://docs.rs/wasmtime/latest/wasmtime/struct.Config.html\n[WASI]: https://docs.rs/wasmtime-wasi/latest/wasmtime_wasi/\n[Standards Compliant]: https://docs.wasmtime.dev/stability-tiers.html\n\n## Language Support\n\nYou can use Wasmtime from a variety of different languages through embeddings of\nthe implementation.\n\nLanguages supported by the Bytecode Alliance:\n\n* **[Rust]** - the [`wasmtime` crate]\n* **[C]** - the [`wasm.h`, `wasi.h`, and `wasmtime.h` headers][c-headers], [CMake](crates/c-api/CMakeLists.txt) or [`wasmtime` Conan package]\n* **C++** - the [`wasmtime.hh` header][c-headers] or the [`wasmtime-cpp` Conan package]\n* **[Python]** - the [`wasmtime` PyPI package]\n* **[.NET]** - the [`Wasmtime` NuGet package]\n* **[Go]** - the [`wasmtime-go` repository]\n* **[Ruby]** - the [`wasmtime` gem]\n\nLanguages supported by the community:\n\n* **[Elixir]** - the [`wasmex` hex package]\n* **Perl** - the [`Wasm` Perl package's `Wasm::Wasmtime`]\n\n[Rust]: https://bytecodealliance.github.io/wasmtime/lang-rust.html\n[C]: https://bytecodealliance.github.io/wasmtime/lang-c.html\n[`wasmtime` crate]: https://crates.io/crates/wasmtime\n[c-headers]: https://bytecodealliance.github.io/wasmtime/c-api/\n[Python]: https://bytecodealliance.github.io/wasmtime/lang-python.html\n[`wasmtime` PyPI package]: https://pypi.org/project/wasmtime/\n[.NET]: https://bytecodealliance.github.io/wasmtime/lang-dotnet.html\n[`Wasmtime` NuGet package]: https://www.nuget.org/packages/Wasmtime\n[Go]: https://bytecodealliance.github.io/wasmtime/lang-go.html\n[`wasmtime-go` repository]: https://pkg.go.dev/github.com/bytecodealliance/wasmtime-go\n[`wasmtime` Conan package]: https://conan.io/center/wasmtime\n[`wasmtime-cpp` Conan package]: https://conan.io/center/wasmtime-cpp\n[Ruby]: https://bytecodealliance.github.io/wasmtime/lang-ruby.html\n[`wasmtime` gem]: https://rubygems.org/gems/wasmtime\n[Elixir]: https://docs.wasmtime.dev/lang-elixir.html\n[`wasmex` hex package]: https://hex.pm/packages/wasmex\n[`Wasm` Perl package's `Wasm::Wasmtime`]: https://metacpan.org/pod/Wasm::Wasmtime\n\n## Documentation\n\n[📚 Read the Wasmtime guide here! 📚][guide]\n\nThe [wasmtime guide][guide] is the best starting point to learn about what\nWasmtime can do for you or help answer your questions about Wasmtime. If you're\ncurious in contributing to Wasmtime, [it can also help you do\nthat][contributing]!\n\n[contributing]: https://bytecodealliance.github.io/wasmtime/contributing.html\n[guide]: https://bytecodealliance.github.io/wasmtime\n\n---\n\nIt's Wasmtime.\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbytecodealliance%2Fwasip3-prototyping","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fbytecodealliance%2Fwasip3-prototyping","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbytecodealliance%2Fwasip3-prototyping/lists"}