Repositories list

• javy

  Public
  JS to WebAssembly toolchain

  Rust

  •

  Apache License 2.0

  •135135 forks•2.7k2.7k stars•2020 issues•66 pull requests•Updated Aug 5, 2026Aug 5, 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 Aug 5, 2026Aug 5, 2026

• wasmtime

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

  rustlightweightruntime+ 10

  rustlightweightruntimeportablesandboxstandalonewebassemblywasmjitaot+ 3

  Rust

  •

  Apache License 2.0

  •1.8k1.8k forks•18k18k stars•758758 issues•9090 pull requests•Updated Aug 5, 2026Aug 5, 2026

• wit-bindgen

  Public
  A language binding generator for WebAssembly interface types

  rustwebassemblywasi+ 3

  rustwebassemblywasiwasmtimeinterface-typesmodule-linking

  Rust

  •

  Apache License 2.0

  •282282 forks•1.4k1.4k stars•137137 issues•2525 pull requests•Updated Aug 5, 2026Aug 5, 2026

• jco

  Public
  JavaScript toolchain for working with WebAssembly Components

  Rust

  •

  Apache License 2.0

  •133133 forks•979979 stars•3939 issues•55 pull requests•Updated Aug 5, 2026Aug 5, 2026

• wasmtime-rb

  Public
  Ruby WebAssembly runtime powered by Wasmtime

  rubyrustwasm+ 1

  rubyrustwasmwasmtime

  Rust

  •

  Apache License 2.0

  •2828 forks•145145 stars•44 issues•11 pull request•Updated Aug 5, 2026Aug 5, 2026

• endive

  Public
  The JVM native WebAssembly runtime

  javawebassemblywasm

  javawebassemblywasm

  Java

  •

  Apache License 2.0

  •1919 forks•280280 stars•1717 issues•66 pull requests•Updated Aug 5, 2026Aug 5, 2026

• wrpc

  Public
  Wasm component-native RPC framework

  asyncwasmwit+ 1

  asyncwasmwitcomponent-model

  Rust

  •

  Other

  •4545 forks•333333 stars•1414 issues•99 pull requests•Updated Aug 5, 2026Aug 5, 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 Aug 4, 2026Aug 4, 2026

• meetings

  Public
  Python

  •5454 forks•4444 stars•00 issues•66 pull requests•Updated Aug 4, 2026Aug 4, 2026

• wasm-tools

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

  webassemblywasm

  webassemblywasm

  Rust

  •

  Apache License 2.0

  •344344 forks•1.8k1.8k stars•108108 issues•1616 pull requests•Updated Aug 3, 2026Aug 3, 2026

• wasm-pkg-tools

  Public
  Rust

  •

  Apache License 2.0

  •4141 forks•157157 stars•4242 issues•00 pull requests•Updated Aug 3, 2026Aug 3, 2026

• WASI-Virt

  Public
  Virtual implementations of WASI APIs

  Rust

  •

  Apache License 2.0

  •2828 forks•230230 stars•1212 issues•66 pull requests•Updated Aug 1, 2026Aug 1, 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 Aug 1, 2026Aug 1, 2026

• ComponentizeJS

  Public
  JS -> WebAssembly Component

  Rust

  •

  Apache License 2.0

  •5151 forks•385385 stars•3939 issues•00 pull requests•Updated Jul 31, 2026Jul 31, 2026

• componentize-go

  Public
  A tool that creates Go WebAssembly components.

  Rust

  •

  Apache License 2.0

  •77 forks•1414 stars•55 issues•22 pull requests•Updated Jul 30, 2026Jul 30, 2026

• wasm-component-ld

  Public
  Command line linker for creating WebAssembly components

  Rust

  •

  Apache License 2.0

  •88 forks•5050 stars•11 issue•00 pull requests•Updated Jul 30, 2026Jul 30, 2026

• governance

  Public
  Documents related to Bytecode Alliance governance and process

  Apache License 2.0

  •4848 forks•1414 stars•11 issue•44 pull requests•Updated Jul 30, 2026Jul 30, 2026

• component-docs

  Public
  Documentation around creating and using WebAssembly Components

  Rust

  •

  Other

  •8484 forks•135135 stars•2626 issues•22 pull requests•Updated Jul 29, 2026Jul 29, 2026

• wit-deps

  Public
  WIT dependency manager

  Rust

  •

  Other

  •1212 forks•9090 stars•99 issues•99 pull requests•Updated Jul 29, 2026Jul 29, 2026

• sightglass

  Public
  A benchmarking suite and tooling for Wasmtime and Cranelift

  rustbenchmarkingbenchmark+ 1

  rustbenchmarkingbenchmarkrust-lang

  WebAssembly

  •

  Apache License 2.0

  •3737 forks•8686 stars•2828 issues•88 pull requests•Updated Jul 28, 2026Jul 28, 2026

• waffle

  Public
  Wasm Analysis Framework For Lightweight Experiments

  compilerwasmssa

  compilerwasmssa

  Rust

  •

  Apache License 2.0

  •99 forks•7373 stars•22 issues•00 pull requests•Updated Jul 27, 2026Jul 27, 2026

• wstd

  Public
  A WebAssembly-native Rust stdlib

  Rust

  •

  Apache License 2.0

  •1919 forks•130130 stars•1010 issues•33 pull requests•Updated Jul 27, 2026Jul 27, 2026

• bytecodealliance.org

  Public
  The bytecodealliance.org website

  CSS

  •

  Apache License 2.0

  •3535 forks•1111 stars•22 issues•22 pull requests•Updated Jul 27, 2026Jul 27, 2026

• weval

  Public
  the WebAssembly partial evaluator

  Rust

  •

  Apache License 2.0

  •1010 forks•145145 stars•22 issues•11 pull request•Updated Jul 22, 2026Jul 22, 2026

• componentize-py

  Public
  Tool for targeting the WebAssembly Component Model using Python

  Rust

  •

  Apache License 2.0

  •4747 forks•273273 stars•2828 issues•11 pull request•Updated Jul 21, 2026Jul 21, 2026

• regalloc2

  Public
  A new register allocator

  Rust

  •

  Apache License 2.0

  •5353 forks•264264 stars•1818 issues•77 pull requests•Updated Jul 20, 2026Jul 20, 2026

• go-pkg

  Public
  Golang pkg for the Bytecode Alliance componentize-go project

  Go

  •

  Apache License 2.0

  •44 forks•00 stars•22 issues•11 pull request•Updated Jul 20, 2026Jul 20, 2026

• wasmtime-py

  Public
  Python WebAssembly runtime powered by Wasmtime

  pythonwasmwasmtime

  pythonwasmwasmtime

  Python

  •

  Apache License 2.0

  •6868 forks•535535 stars•1919 issues•33 pull requests•Updated Jul 20, 2026Jul 20, 2026

• wasmtime-go

  Public
  Go WebAssembly runtime powered by Wasmtime

  gorustgolang+ 5

  gorustgolangruntimewebassemblywasmwasiwasmtime

  Go

  •

  Apache License 2.0

  •100100 forks•910910 stars•3333 issues•99 pull requests•Updated Jul 20, 2026Jul 20, 2026