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    128 repositories

    • spec

      Public
      WebAssembly specification, reference interpreter, and test suite.
      specification
      specification
      WebAssembly
      •
      Other
      •526•3.4k•72•11•Updated May 22, 2026May 22, 2026

    • binaryen

      Public
      Optimizer and compiler/toolchain library for WebAssembly
      c-plus-pluswebassemblyemscripten
      c-plus-pluswebassemblyemscriptencompilershacktoberfest
      WebAssembly
      •
      Apache License 2.0
      •860•8.5k•332•215•Updated May 22, 2026May 22, 2026

    • component-model

      Public
      Repository for design and specification of the Component Model
      WebAssembly
      •
      Other
      •119•1.3k•129•14•Updated May 22, 2026May 22, 2026

    • tool-conventions

      Public
      Conventions supporting interoperatibility between tools working with WebAssembly.
      WebAssembly
      •
      Artistic License 2.0
      •76•366•47•8•Updated May 22, 2026May 22, 2026

    • wasi-testsuite

      Public
      WASI Testsuite
      Rust
      •
      Apache License 2.0
      •42•80•28•9•Updated May 22, 2026May 22, 2026

    • meetings

      Public
      WebAssembly meetings (VC or in-person), agendas, and notes
      meta
      meta
      HTML
      •181•533•12•6•Updated May 21, 2026May 21, 2026

    • wasi-gfx

      Public
      proposalwasi
      proposalwasi
      Rust
      •
      Other
      •14•187•17•2•Updated May 21, 2026May 21, 2026

    • website

      Public
      WebAssembly website
      CSS
      •
      Apache License 2.0
      •207•284•10•5•Updated May 21, 2026May 21, 2026

    • relaxed-atomics

      Public
      0•0•0•0•Updated May 19, 2026May 19, 2026

    • wasi-sdk

      Public
      WASI-enabled WebAssembly C/C++ toolchain
      llvmsysrootwasi-sdk
      llvmsysrootwasi-sdkwasi-libc
      CMake
      •
      Apache License 2.0
      •227•1.6k•50•8•Updated May 16, 2026May 16, 2026

    • WASI

      Public
      WebAssembly System Interface
      httposwebassembly
      httposwebassemblywasi
      Rust
      •
      Other
      •318•5.6k•248•4•Updated May 14, 2026May 14, 2026

    • stack-switching

      Public
      A repository for the stack switching proposal.
      proposal
      proposal
      WebAssembly
      •
      Other
      •19•202•25•7•Updated May 14, 2026May 14, 2026

    • testsuite

      Public
      Mirror of the spec testsuite
      WebAssembly
      •
      Apache License 2.0
      •65•241•2•0•Updated May 13, 2026May 13, 2026

    • esm-integration

      Public
      ECMAScript module integration
      proposal
      proposal
      WebAssembly
      •
      Other
      •38•448•11•4•Updated May 12, 2026May 12, 2026

    • wabt

      Public
      The WebAssembly Binary Toolkit
      webassembly
      webassembly
      C++
      •
      Apache License 2.0
      •807•8k•176•44•Updated May 7, 2026May 7, 2026

    • wasi-libc

      Public
      WASI libc implementation for WebAssembly
      wasi
      wasi
      C
      •
      Other
      •239•1k•52•16•Updated May 1, 2026May 1, 2026

    • wasi-otel

      Public
      OpenTelemetry API for WASI
      Other
      •2•17•1•0•Updated Apr 28, 2026Apr 28, 2026

    • shared-everything-threads

      Public
      A draft proposal for spawning threads in WebAssembly
      WebAssembly
      •
      Other
      •5•90•25•2•Updated Apr 28, 2026Apr 28, 2026

    • wasi-spi

      Public
      Serial Peripheral Interface (SPI) API for WASI
      Rust
      •5•9•0•0•Updated Apr 28, 2026Apr 28, 2026

    • compact-import-section

      Public
      Proposal repository for compact import sections
      WebAssembly
      •
      Other
      •1•5•5•1•Updated Apr 27, 2026Apr 27, 2026

    • wide-arithmetic

      Public
      WebAssembly proposal for wide arithmetic
      WebAssembly
      •
      Other
      •526•14•5•0•Updated Apr 24, 2026Apr 24, 2026

    • js-text-encoding-builtins

      Public
      JS Text Encoding Builtins
      WebAssembly
      •
      Other
      •526•1•4•0•Updated Apr 24, 2026Apr 24, 2026

    • proposals

      Public
      Tracking WebAssembly proposals
      meta
      meta
      70•1.1k•5•0•Updated Apr 24, 2026Apr 24, 2026

    • threads

      Public
      Threads and Atomics in WebAssembly
      proposal
      proposal
      WebAssembly
      •
      Other
      •53•756•74•5•Updated Apr 22, 2026Apr 22, 2026

    • custom-page-sizes

      Public
      proposal
      proposal
      WebAssembly
      •
      Other
      •7•12•6•0•Updated Apr 20, 2026Apr 20, 2026

    • custom-descriptors

      Public
      Custom RTTs and JS interop for Wasm GC structs
      WebAssembly
      •
      Other
      •1•10•23•1•Updated Apr 15, 2026Apr 15, 2026

    • wasi-usb

      Public
      Other
      •4•9•1•0•Updated Apr 1, 2026Apr 1, 2026

    • wasm-c-api

      Public
      Wasm C API prototype
      C++
      •
      Apache License 2.0
      •85•600•50•9•Updated Mar 24, 2026Mar 24, 2026

    • multibyte-array-access

      Public
      WebAssembly
      •
      Other
      •0•1•4•0•Updated Mar 17, 2026Mar 17, 2026

    • wasi-tls

      Public
      SSL/TLS interface for WASI
      Other
      •4•8•0•0•Updated Feb 19, 2026Feb 19, 2026
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