Repositories list

• wit-bindgen

  Public

  bytecodealliance/wit-bindgen’s past year of commit activity
  A language binding generator for WebAssembly interface types

  rustwebassemblywasi+ 3wasmtimeinterface-typesmodule-linking

  Rust

  •

  Apache License 2.0

  •257•1.3k•112•14•Updated Jan 20, 2026Jan 20, 2026

• wasmtime

  Public
  A lightweight WebAssembly runtime that is fast, secure, and standards-compliant

  rustlightweightruntime+ 10portablesandboxstandalonewebassemblywasmjitaot+ 3

  Rust

  •

  Apache License 2.0

  •1.6k•17k•745•88•Updated Jan 20, 2026Jan 20, 2026

• wasmtime-go

  Public

  bytecodealliance/wasmtime-go’s past year of commit activity
  Go WebAssembly runtime powered by Wasmtime

  gorustgolang+ 5runtimewebassemblywasmwasiwasmtime

  Go

  •

  Apache License 2.0

  •88•878•30•3•Updated Jan 20, 2026Jan 20, 2026

• wasmtime-py

  Public

  bytecodealliance/wasmtime-py’s past year of commit activity
  Python WebAssembly runtime powered by Wasmtime

  pythonwasmwasmtime

  Python

  •

  Apache License 2.0

  •64•494•17•3•Updated Jan 20, 2026Jan 20, 2026

• zulip-archive

  Public

  bytecodealliance/zulip-archive’s past year of commit activity
  A static html archive of Bytecode Alliance Zulip

  HTML

  •

  Apache License 2.0

  •1•2•2•0•Updated Jan 20, 2026Jan 20, 2026

• meetings

  Public
  Python

  •51•41•0•5•Updated Jan 20, 2026Jan 20, 2026

• wasm-tools

  Public

  bytecodealliance/wasm-tools’s past year of commit activity
  CLI and Rust libraries for low-level manipulation of WebAssembly modules

  webassemblywasm

  Rust

  •

  Apache License 2.0

  •312•1.7k•110•16•Updated Jan 20, 2026Jan 20, 2026

• wrpc

  Public
  Wasm component-native RPC framework

  asyncwasmwit+ 1component-model

  Rust

  •

  Other

  •39•303•20•5•Updated Jan 20, 2026Jan 20, 2026

• jco

  Public

  bytecodealliance/jco’s past year of commit activity
  JavaScript toolchain for working with WebAssembly Components

  Rust

  •

  Apache License 2.0

  •92•882•47•4•Updated Jan 20, 2026Jan 20, 2026

• wasm-micro-runtime

  Public

  bytecodealliance/wasm-micro-runtime’s past year of commit activity
  WebAssembly Micro Runtime (WAMR)

  iotembeddedinterpreter+ 11runtimewebassemblywasmjitaotsgxpthread+ 4

  C

  •

  Apache License 2.0

  •749•5.7k•509•41•Updated Jan 20, 2026Jan 20, 2026

• sample-wasi-http-rust

  Public template
  An example `wasi:http` server component written in Rust

  rusttemplatecomponents+ 4demoexamplewasmwasi

  Rust

  •

  Apache License 2.0

  •7•24•6•5•Updated Jan 19, 2026Jan 19, 2026

• go-modules

  Public
  WebAssembly, WASI, and Component Model tools for Go

  gogolangwebassembly+ 3wasmwasicomponent-model

  Go

  •

  Apache License 2.0

  •20•138•22•15•Updated Jan 19, 2026Jan 19, 2026

• wasmtime-rr-prototyping

  Public

  bytecodealliance/wasmtime-rr-prototyping’s past year of commit activity
  Temporary repo for record-replay prototyping in Wasmtime

  Rust

  •

  Apache License 2.0

  •2•2•0•1•Updated Jan 19, 2026Jan 19, 2026

• wamr-rust-sdk

  Public

  bytecodealliance/wamr-rust-sdk’s past year of commit activity
  Rust

  •

  Apache License 2.0

  •25•64•6•7•Updated Jan 19, 2026Jan 19, 2026

• userfaultfd-rs

  Public
  Rust bindings for the Linux userfaultfd functionality

  Rust

  •

  Apache License 2.0

  •28•46•6•5•Updated Jan 19, 2026Jan 19, 2026

• wstd

  Public
  A WebAssembly-native Rust stdlib

  Rust

  •

  Apache License 2.0

  •16•108•8•1•Updated Jan 16, 2026Jan 16, 2026

• wasi-rs

  Public
  WASI bindings for Rust

  rustwasi

  Rust

  •

  Apache License 2.0

  •59•331•3•1•Updated Jan 15, 2026Jan 15, 2026

• vscode-wit

  Public
  Visual Studio Code extension to recognize and highlight the WebAssembly Interface Type (WIT) IDL.

  webassemblywasmvscode-extension+ 2wittextmate-grammar

  TypeScript

  •

  Apache License 2.0

  •9•33•0•0•Updated Jan 14, 2026Jan 14, 2026

• componentize-py

  Public
  Tool for targetting the WebAssembly Component Model using Python

  Rust

  •

  Apache License 2.0

  •37•241•23•0•Updated Jan 12, 2026Jan 12, 2026

• wasm-component-ld

  Public
  Command line linker for creating WebAssembly components

  Rust

  •

  Apache License 2.0

  •5•44•1•0•Updated Jan 12, 2026Jan 12, 2026

• wac

  Public
  WebAssembly Composition (WAC) tooling

  componentscompositionwebassembly

  Rust

  •

  Apache License 2.0

  •29•186•34•1•Updated Jan 9, 2026Jan 9, 2026

• wasmtime-rb

  Public
  Ruby WebAssembly runtime powered by Wasmtime

  rubyrustwasm+ 1wasmtime

  Rust

  •

  Apache License 2.0

  •24•133•5•1•Updated Jan 9, 2026Jan 9, 2026

• regalloc2

  Public

  bytecodealliance/regalloc2’s past year of commit activity
  A new register allocator

  Rust

  •

  Apache License 2.0

  •45•246•20•9•Updated Jan 9, 2026Jan 9, 2026

• wasm-pkg-tools

  Public
  Rust

  •

  Apache License 2.0

  •28•130•33•3•Updated Jan 7, 2026Jan 7, 2026

• javy

  Public

  bytecodealliance/javy’s past year of commit activity
  JS to WebAssembly toolchain

  Rust

  •

  Apache License 2.0

  •126•2.6k•19•2•Updated Jan 7, 2026Jan 7, 2026

• wamr.dev

  Public
  The WAMR homepage

  HTML

  •

  Apache License 2.0

  •6•6•0•0•Updated Jan 6, 2026Jan 6, 2026

• sightglass

  Public
  A benchmarking suite and tooling for Wasmtime and Cranelift

  rustbenchmarkingbenchmark+ 1rust-lang

  C

  •

  Apache License 2.0

  •36•82•30•8•Updated Jan 5, 2026Jan 5, 2026

• setup-wasi-sdk-action

  Public
  GitHub action to install wasi-sdk

  Python

  •

  Apache License 2.0

  •0•0•4•0•Updated Jan 5, 2026Jan 5, 2026

• rustix

  Public
  Safe Rust bindings to POSIX-ish APIs

  linuxrustposix+ 1safe

  Rust

  •

  Other

  •236•1.9k•71•23•Updated Dec 23, 2025Dec 23, 2025

• StarlingMonkey

  Public
  The StarlingMonkey JS runtime

  javascriptjsruntime+ 5webassemblywasmwasicomponent-modelwebassembly-components

  C

  •

  Apache License 2.0

  •47•241•60•7•Updated Dec 19, 2025Dec 19, 2025