Repositories list

• jco

  Public
  JavaScript toolchain for working with WebAssembly Components

  Rust

  •

  Apache License 2.0

  •123123 forks•954954 stars•5151 issues•22 pull requests•Updated Jun 1, 2026Jun 1, 2026

• zulip-archive

  Public
  A static html archive of Bytecode Alliance Zulip

  HTML

  •

  Apache License 2.0

  •11 fork•22 stars•22 issues•00 pull requests•Updated Jun 1, 2026Jun 1, 2026

• wrpc

  Public
  Wasm component-native RPC framework

  asyncwasmwit+ 1

  asyncwasmwitcomponent-model

  Rust

  •

  Other

  •4545 forks•326326 stars•1818 issues•1313 pull requests•Updated Jun 1, 2026Jun 1, 2026

• wasm-tools

  Public
  CLI and Rust libraries for low-level manipulation of WebAssembly modules

  webassemblywasm

  webassemblywasm

  Rust

  •

  Apache License 2.0

  •340340 forks•1.7k1.7k stars•106106 issues•1313 pull requests•Updated May 31, 2026May 31, 2026

• wasmtime-dotnet

  Public
  .NET embedding of Wasmtime https://bytecodealliance.github.io/wasmtime-dotnet/

  dotnetwebassemblywasmtime

  dotnetwebassemblywasmtime

  C#

  •

  Apache License 2.0

  •6464 forks•497497 stars•2424 issues•1010 pull requests•Updated May 30, 2026May 30, 2026

• wasmtime

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

  rustlightweightruntime+ 10

  rustlightweightruntimeportablesandboxstandalonewebassemblywasmjitaot+ 3

  Rust

  •

  Apache License 2.0

  •1.7k1.7k forks•18k18k stars•760760 issues•8989 pull requests•Updated May 29, 2026May 29, 2026

• componentize-py

  Public
  Tool for targetting the WebAssembly Component Model using Python

  Rust

  •

  Apache License 2.0

  •4646 forks•267267 stars•2727 issues•11 pull request•Updated May 29, 2026May 29, 2026

• meetings

  Public
  Python

  •5454 forks•4444 stars•00 issues•66 pull requests•Updated May 29, 2026May 29, 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•3838 stars•00 issues•00 pull requests•Updated May 29, 2026May 29, 2026

• endive

  Public
  A JVM native WebAssembly runtime

  javawebassemblywasm

  javawebassemblywasm

  Java

  •

  Apache License 2.0

  •88 forks•185185 stars•1010 issues•11 pull request•Updated May 29, 2026May 29, 2026

• rust-oci-wasm

  Public
  A Rust implementation of the OCI artifact specification for WebAssembly

  Rust

  •

  Apache License 2.0

  •1414 forks•1313 stars•22 issues•11 pull request•Updated May 28, 2026May 28, 2026

• wasm-pkg-tools

  Public
  Rust

  •

  Apache License 2.0

  •3939 forks•144144 stars•3737 issues•44 pull requests•Updated May 28, 2026May 28, 2026

• wasmtime-rb

  Public
  Ruby WebAssembly runtime powered by Wasmtime

  rubyrustwasm+ 1

  rubyrustwasmwasmtime

  Rust

  •

  Apache License 2.0

  •2727 forks•140140 stars•55 issues•22 pull requests•Updated May 28, 2026May 28, 2026

• governance

  Public
  Documents related to Bytecode Alliance governance and process

  Apache License 2.0

  •4747 forks•1414 stars•33 issues•44 pull requests•Updated May 28, 2026May 28, 2026

• wit-bindgen

  Public
  A language binding generator for WebAssembly interface types

  rustwebassemblywasi+ 3

  rustwebassemblywasiwasmtimeinterface-typesmodule-linking

  Rust

  •

  Apache License 2.0

  •270270 forks•1.4k1.4k stars•131131 issues•1919 pull requests•Updated May 27, 2026May 27, 2026

• wasmtime-go

  Public
  Go WebAssembly runtime powered by Wasmtime

  gorustgolang+ 5

  gorustgolangruntimewebassemblywasmwasiwasmtime

  Go

  •

  Apache License 2.0

  •9797 forks•903903 stars•3232 issues•44 pull requests•Updated May 27, 2026May 27, 2026

• wasmtime-py

  Public
  Python WebAssembly runtime powered by Wasmtime

  pythonwasmwasmtime

  pythonwasmwasmtime

  Python

  •

  Apache License 2.0

  •6868 forks•521521 stars•1919 issues•33 pull requests•Updated May 27, 2026May 27, 2026

• wasm-micro-runtime

  Public
  WebAssembly Micro Runtime (WAMR)

  iotembeddedinterpreter+ 11

  iotembeddedinterpreterruntimewebassemblywasmjitaotsgxpthread+ 4

  C

  •

  Apache License 2.0

  •809809 forks•6k6k stars•534534 issues•4242 pull requests•Updated May 27, 2026May 27, 2026

• bytecodealliance.org

  Public
  The bytecodealliance.org website

  CSS

  •

  Apache License 2.0

  •3434 forks•1111 stars•22 issues•44 pull requests•Updated May 26, 2026May 26, 2026

• javy

  Public
  JS to WebAssembly toolchain

  Rust

  •

  Apache License 2.0

  •133133 forks•2.7k2.7k stars•2020 issues•22 pull requests•Updated May 25, 2026May 25, 2026

• component-docs

  Public
  Documentation around creating and using WebAssembly Components

  Rust

  •

  Other

  •8383 forks•134134 stars•2727 issues•11 pull request•Updated May 22, 2026May 22, 2026

• wit-deps

  Public
  WIT dependency manager

  Rust

  •

  Other

  •1212 forks•8989 stars•1010 issues•66 pull requests•Updated May 22, 2026May 22, 2026

• componentize-go

  Public
  A tool that creates Go WebAssembly components.

  Rust

  •

  Apache License 2.0

  •44 forks•55 stars•33 issues•11 pull request•Updated May 21, 2026May 21, 2026

• rfcs

  Public
  RFC process for Bytecode Alliance projects

  Apache License 2.0

  •2323 forks•7272 stars•44 issues•55 pull requests•Updated May 20, 2026May 20, 2026

• ComponentizeJS

  Public
  JS -> WebAssembly Component

  Rust

  •

  Apache License 2.0

  •5151 forks•373373 stars•3737 issues•11 pull request•Updated May 20, 2026May 20, 2026

• opentelemetry-wasi

  Public
  Libraries to enable using OpenTelemetry within WebAssembly components backed by WASI OTel

  Go

  •

  Apache License 2.0

  •66 forks•1212 stars•66 issues•11 pull request•Updated May 19, 2026May 19, 2026

• waffle

  Public
  Wasm Analysis Framework For Lightweight Experiments

  compilerwasmssa

  compilerwasmssa

  Rust

  •

  Apache License 2.0

  •88 forks•6262 stars•22 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• wasm-component-ld

  Public
  Command line linker for creating WebAssembly components

  Rust

  •

  Apache License 2.0

  •77 forks•4747 stars•22 issues•00 pull requests•Updated May 15, 2026May 15, 2026

• system-interface

  Public
  Extensions to the Rust standard library

  rust

  rust

  Rust

  •

  Other

  •1818 forks•5252 stars•00 issues•22 pull requests•Updated May 14, 2026May 14, 2026

• target-lexicon

  Public
  Target "triple" support

  compiler-construction

  compiler-construction

  Rust

  •

  Apache License 2.0

  •6464 forks•5858 stars•66 issues•33 pull requests•Updated May 12, 2026May 12, 2026