Repositories list

• spec

  Public

  WebAssembly/spec’s past year of commit activity
  WebAssembly specification, reference interpreter, and test suite.

  specification

  WebAssembly

  •

  Other

  •498•3.3k•62•9•Updated Nov 14, 2025Nov 14, 2025

• binaryen

  Public

  WebAssembly/binaryen’s past year of commit activity
  Optimizer and compiler/toolchain library for WebAssembly

  c-plus-pluswebassemblyemscripten+ 2compilershacktoberfest

  WebAssembly

  •

  Apache License 2.0

  •825•8.2k•301•179•Updated Nov 14, 2025Nov 14, 2025

• wasi-testsuite

  Public

  WebAssembly/wasi-testsuite’s past year of commit activity
  WASI Testsuite

  Rust

  •

  Apache License 2.0

  •35•68•24•17•Updated Nov 14, 2025Nov 14, 2025

• component-model

  Public

  WebAssembly/component-model’s past year of commit activity
  Repository for design and specification of the Component Model

  WebAssembly

  •

  Other

  •98•1.2k•120•9•Updated Nov 13, 2025Nov 13, 2025

• extended-name-section

  Public

  WebAssembly/extended-name-section’s past year of commit activity
  proposal

  WebAssembly

  •

  Other

  •4•11•4•1•Updated Nov 13, 2025Nov 13, 2025

• meetings

  Public

  WebAssembly/meetings’s past year of commit activity
  WebAssembly meetings (VC or in-person), agendas, and notes

  meta

  HTML

  •172•516•11•3•Updated Nov 13, 2025Nov 13, 2025

• wasi-libc

  Public

  WebAssembly/wasi-libc’s past year of commit activity
  WASI libc implementation for WebAssembly

  wasi

  C

  •

  Other

  •223•955•62•25•Updated Nov 12, 2025Nov 12, 2025

• jit-interface

  Public

  WebAssembly/jit-interface’s past year of commit activity
  WebAssembly specification, reference interpreter, and test suite for the jit-interfaces proposal.

  WebAssembly

  •

  Other

  •498•16•4•0•Updated Nov 12, 2025Nov 12, 2025

• proposals

  Public

  WebAssembly/proposals’s past year of commit activity
  Tracking WebAssembly proposals

  meta

  66•1.1k•5•0•Updated Nov 11, 2025Nov 11, 2025

• esm-integration

  Public

  WebAssembly/esm-integration’s past year of commit activity
  ECMAScript module integration

  proposal

  WebAssembly

  •

  Other

  •38•419•9•4•Updated Nov 10, 2025Nov 10, 2025

• compact-import-section

  Public
  Proposal repository for compact import sections

  WebAssembly

  •

  Other

  •0•2•0•1•Updated Nov 10, 2025Nov 10, 2025

• wasi-sdk

  Public

  WebAssembly/wasi-sdk’s past year of commit activity
  WASI-enabled WebAssembly C/C++ toolchain

  llvmsysrootwasi-sdk+ 1wasi-libc

  CMake

  •

  Apache License 2.0

  •208•1.4k•54•10•Updated Nov 10, 2025Nov 10, 2025

• tool-conventions

  Public

  WebAssembly/tool-conventions’s past year of commit activity
  Conventions supporting interoperatibility between tools working with WebAssembly.

  WebAssembly

  •

  Artistic License 2.0

  •74•352•48•6•Updated Nov 9, 2025Nov 9, 2025

• wabt

  Public

  WebAssembly/wabt’s past year of commit activity
  The WebAssembly Binary Toolkit

  webassembly

  C++

  •

  Apache License 2.0

  •777•7.7k•157•42•Updated Nov 9, 2025Nov 9, 2025

• testsuite

  Public

  WebAssembly/testsuite’s past year of commit activity
  Mirror of the spec testsuite

  WebAssembly

  •

  Apache License 2.0

  •61•224•1•0•Updated Nov 6, 2025Nov 6, 2025

• custom-descriptors

  Public

  WebAssembly/custom-descriptors’s past year of commit activity
  Custom RTTs and JS interop for Wasm GC structs

  WebAssembly

  •

  Other

  •0•8•19•0•Updated Nov 6, 2025Nov 6, 2025

• website

  Public
  WebAssembly website

  JavaScript

  •

  Apache License 2.0

  •191•282•7•0•Updated Nov 4, 2025Nov 4, 2025

• multibyte-array-access

  Public

  WebAssembly/multibyte-array-access’s past year of commit activity
  WebAssembly

  •

  Other

  •0•0•0•0•Updated Nov 4, 2025Nov 4, 2025

• wasi-config

  Public

  WebAssembly/wasi-config’s past year of commit activity
  10•14•3•1•Updated Nov 4, 2025Nov 4, 2025

• wasi-http

  Public

  WebAssembly/wasi-http’s past year of commit activity
  A collection of interfaces for sending and receiving HTTP requests and responses

  proposalwasi

  Other

  •36•214•49•7•Updated Nov 3, 2025Nov 3, 2025

• compilation-hints

  Public

  WebAssembly/compilation-hints’s past year of commit activity
  Compilation Hints

  WebAssembly

  •

  Other

  •2•3•8•0•Updated Oct 29, 2025Oct 29, 2025

• threads

  Public

  WebAssembly/threads’s past year of commit activity
  Threads and Atomics in WebAssembly

  proposal

  WebAssembly

  •

  Other

  •51•738•71•2•Updated Oct 29, 2025Oct 29, 2025

• WASI

  Public

  WebAssembly/WASI’s past year of commit activity
  WebAssembly System Interface

  wasi

  Rust

  •

  Other

  •296•5.4k•82•3•Updated Oct 28, 2025Oct 28, 2025

• wasi-io

  Public
  I/O Types proposal for WASI

  proposalswasi

  Other

  •23•179•8•5•Updated Oct 27, 2025Oct 27, 2025

• js-primitive-builtins

  Public
  Additional JS primitive builtins

  WebAssembly

  •

  Other

  •0•5•6•0•Updated Oct 27, 2025Oct 27, 2025

• design

  Public

  WebAssembly/design’s past year of commit activity
  WebAssembly Design Documents

  Apache License 2.0

  •698•12k•176•3•Updated Oct 22, 2025Oct 22, 2025

• stack-switching

  Public

  WebAssembly/stack-switching’s past year of commit activity
  A repository for the stack switching proposal.

  proposal

  WebAssembly

  •

  Other

  •16•179•23•2•Updated Oct 21, 2025Oct 21, 2025

• shared-everything-threads

  Public
  A draft proposal for spawning threads in WebAssembly

  WebAssembly

  •

  Other

  •3•76•24•2•Updated Oct 19, 2025Oct 19, 2025

• wasi-cli

  Public

  WebAssembly/wasi-cli’s past year of commit activity
  Command-Line Interface (CLI) World for WASI

  proposalwasi

  Other

  •19•96•7•4•Updated Oct 7, 2025Oct 7, 2025

• wasi-sockets

  Public

  WebAssembly/wasi-sockets’s past year of commit activity
  WASI API proposal for managing sockets

  proposalwasi

  Rust

  •

  Other

  •29•289•25•1•Updated Oct 7, 2025Oct 7, 2025