Repositories list

• wasmtime

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

  rustlightweightruntime+ 10

  rustlightweightruntimeportablesandboxstandalonewebassemblywasmjitaot+ 3

  Rust

  •

  Apache License 2.0

  •1.9k1.9k forks•19k19k stars•773773 issues•9898 pull requests•Updated Oct 9, 2026Oct 9, 2026

• zulip-archive

  Public
  A static html archive of Bytecode Alliance Zulip

  HTML

  •

  Apache License 2.0

  •11 fork•33 stars•22 issues•00 pull requests•Updated Oct 9, 2026Oct 9, 2026

• endive

  Public
  The JVM native WebAssembly runtime

  javawebassemblywasm

  javawebassemblywasm

  Java

  •

  Apache License 2.0

  •2424 forks•311311 stars•2020 issues•11 pull request•Updated Oct 9, 2026Oct 9, 2026

• jco

  Public
  JavaScript toolchain for working with WebAssembly Components

  TypeScript

  •

  Apache License 2.0

  •140140 forks•1k1k stars•55 issues•77 pull requests•Updated Oct 9, 2026Oct 9, 2026

• wrpc

  Public
  Wasm component-native RPC framework

  asyncwasmwit+ 1

  asyncwasmwitcomponent-model

  Rust

  •

  Other

  •4747 forks•335335 stars•1515 issues•1111 pull requests•Updated Oct 9, 2026Oct 9, 2026

• wit-bindgen

  Public
  A language binding generator for WebAssembly interface types

  rustwebassemblywasi+ 3

  rustwebassemblywasiwasmtimeinterface-typesmodule-linking

  Rust

  •

  Apache License 2.0

  •297297 forks•1.5k1.5k stars•142142 issues•2525 pull requests•Updated Oct 8, 2026Oct 8, 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

  webassemblywasm

  Rust

  •

  Apache License 2.0

  •360360 forks•1.8k1.8k stars•108108 issues•1919 pull requests•Updated Oct 8, 2026Oct 8, 2026

• wasmtime-rb

  Public
  Ruby WebAssembly runtime powered by Wasmtime

  rubyrustwasm+ 1

  rubyrustwasmwasmtime

  Rust

  •

  Apache License 2.0

  •2828 forks•146146 stars•44 issues•11 pull request•Updated Oct 8, 2026Oct 8, 2026

• governance

  Public
  Documents related to Bytecode Alliance governance and process

  Apache License 2.0

  •4848 forks•1414 stars•22 issues•55 pull requests•Updated Oct 8, 2026Oct 8, 2026

• sightglass

  Public
  A benchmarking suite and tooling for Wasmtime and Cranelift

  rustbenchmarkingbenchmark+ 1

  rustbenchmarkingbenchmarkrust-lang

  WebAssembly

  •

  Apache License 2.0

  •3838 forks•8888 stars•2828 issues•99 pull requests•Updated Oct 8, 2026Oct 8, 2026

• meetings

  Public
  Python

  •5454 forks•4444 stars•00 issues•66 pull requests•Updated Oct 8, 2026Oct 8, 2026

• nightmonkey

  Public
  The night monkey works in the night to optimize your code, before it runs in daytime

  11 fork•00 stars•00 issues•22 pull requests•Updated Oct 8, 2026Oct 8, 2026

• wasm-component-ld

  Public
  Command line linker for creating WebAssembly components

  Rust

  •

  Apache License 2.0

  •99 forks•5151 stars•11 issue•00 pull requests•Updated Oct 8, 2026Oct 8, 2026

• javy

  Public
  JS to WebAssembly toolchain

  Rust

  •

  Apache License 2.0

  •137137 forks•2.8k2.8k stars•2020 issues•33 pull requests•Updated Oct 7, 2026Oct 7, 2026

• componentize-go

  Public
  A tool that creates Go WebAssembly components.

  Rust

  •

  Apache License 2.0

  •88 forks•1919 stars•22 issues•22 pull requests•Updated Oct 7, 2026Oct 7, 2026

• userfaultfd-rs

  Public
  Rust bindings for the Linux userfaultfd functionality

  Rust

  •

  Apache License 2.0

  •3535 forks•5050 stars•77 issues•1010 pull requests•Updated Oct 7, 2026Oct 7, 2026

• go-wasi

  Public
  Adapts Go standard-library interfaces (net/http, log/slog) to standard wasi:* interfaces

  Go

  •

  Apache License 2.0

  •11 fork•00 stars•00 issues•00 pull requests•Updated Oct 7, 2026Oct 7, 2026

• go-pkg

  Public
  Golang pkg for the Bytecode Alliance componentize-go project

  Go

  •

  Apache License 2.0

  •77 forks•00 stars•22 issues•11 pull request•Updated Oct 7, 2026Oct 7, 2026

• wstd

  Public
  A WebAssembly-native Rust stdlib

  Rust

  •

  Apache License 2.0

  •2121 forks•138138 stars•1111 issues•33 pull requests•Updated Oct 7, 2026Oct 7, 2026

• component-docs

  Public
  Documentation around creating and using WebAssembly Components

  Rust

  •

  Other

  •8989 forks•138138 stars•2727 issues•22 pull requests•Updated Oct 6, 2026Oct 6, 2026

• regalloc2

  Public
  A new register allocator

  Rust

  •

  Apache License 2.0

  •5555 forks•265265 stars•1818 issues•77 pull requests•Updated Oct 6, 2026Oct 6, 2026

• tree-sitter-wit

  Public
  Tree Sitter grammar for Web Assembly Interface Types

  JavaScript

  •

  Apache License 2.0

  •1010 forks•2323 stars•55 issues•00 pull requests•Updated Oct 5, 2026Oct 5, 2026

• waffle

  Public
  Wasm Analysis Framework For Lightweight Experiments

  compilerwasmssa

  compilerwasmssa

  Rust

  •

  Apache License 2.0

  •1010 forks•7575 stars•22 issues•22 pull requests•Updated Oct 2, 2026Oct 2, 2026

• vscode-wit

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

  webassemblywasmvscode-extension+ 2

  webassemblywasmvscode-extensionwittextmate-grammar

  TypeScript

  •

  Apache License 2.0

  •99 forks•3939 stars•00 issues•11 pull request•Updated Oct 1, 2026Oct 1, 2026

• wac

  Public
  WebAssembly Composition (WAC) tooling

  componentscompositionwebassembly

  componentscompositionwebassembly

  Rust

  •

  Apache License 2.0

  •4242 forks•206206 stars•3232 issues•22 pull requests•Updated Sep 30, 2026Sep 30, 2026

• bytecodealliance.org

  Public
  The bytecodealliance.org website

  CSS

  •

  Apache License 2.0

  •3535 forks•1111 stars•22 issues•22 pull requests•Updated Sep 29, 2026Sep 29, 2026

• wasmtime-py

  Public
  Python WebAssembly runtime powered by Wasmtime

  pythonwasmwasmtime

  pythonwasmwasmtime

  Python

  •

  Apache License 2.0

  •6969 forks•541541 stars•1919 issues•33 pull requests•Updated Sep 24, 2026Sep 24, 2026

• StarlingMonkey

  Public
  The StarlingMonkey JS runtime

  javascriptjsruntime+ 5

  javascriptjsruntimewebassemblywasmwasicomponent-modelwebassembly-components

  C

  •

  Apache License 2.0

  •5858 forks•288288 stars•6363 issues•1010 pull requests•Updated Sep 24, 2026Sep 24, 2026

• wasi-rs

  Public
  WASI bindings for Rust

  rustwasi

  rustwasi

  Rust

  •

  Apache License 2.0

  •6767 forks•372372 stars•44 issues•22 pull requests•Updated Sep 23, 2026Sep 23, 2026

• firefox

  Public
  Mirror for StarlingMonkey integration

  JavaScript

  •

  Other

  •1.6k1.6k forks•11 star•00 issues•00 pull requests•Updated Sep 22, 2026Sep 22, 2026