WebAssembly

Development of WebAssembly and associated infrastructure

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Repositories
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meetings meetings Public

WebAssembly meetings (VC or in-person), agendas, and notes

HTML 540 186
design design Public

WebAssembly Design Documents

11.6k 710
spec spec Public

WebAssembly specification, reference interpreter, and test suite.

WebAssembly 3.4k 532
proposals proposals Public

Tracking WebAssembly proposals

1.1k 75
WASI WASI Public

WebAssembly System Interface

Rust 5.8k 330
component-model component-model Public

Repository for design and specification of the Component Model

WebAssembly 1.4k 129

Repositories

Type Language Sort

wasi-sdk Public
WASI-enabled WebAssembly C/C++ toolchain

WebAssembly/wasi-sdk's past year of commit activity

CMake 1,623 Apache-2.0 236 51 (1 issue needs help) 8 Updated Aug 19, 2026
binaryen Public
Optimizer and compiler/toolchain library for WebAssembly

WebAssembly/binaryen's past year of commit activity

WebAssembly 8,604 Apache-2.0 880 337 (20 issues need help) 227 Updated Aug 19, 2026
acquire-release-atomics Public

WebAssembly/acquire-release-atomics's past year of commit activity

WebAssembly 1 1 2 2 Updated Aug 19, 2026
wasi-libc Public
WASI libc implementation for WebAssembly

WebAssembly/wasi-libc's past year of commit activity

C 1,020 249 55 (3 issues need help) 13 Updated Aug 19, 2026
wabt Public
The WebAssembly Binary Toolkit

WebAssembly/wabt's past year of commit activity

C++ 8,103 Apache-2.0 820 178 (3 issues need help) 51 Updated Aug 19, 2026
component-model Public
Repository for design and specification of the Component Model

WebAssembly/component-model's past year of commit activity

WebAssembly 1,357 129 133 19 Updated Aug 19, 2026
website Public
WebAssembly website

WebAssembly/website's past year of commit activity

CSS 286 Apache-2.0 211 7 1 Updated Aug 19, 2026
meetings Public
WebAssembly meetings (VC or in-person), agendas, and notes

WebAssembly/meetings's past year of commit activity

HTML 540 186 12 2 Updated Aug 19, 2026
testsuite Public
Mirror of the spec testsuite

WebAssembly/testsuite's past year of commit activity

WebAssembly 249 Apache-2.0 66 2 0 Updated Aug 18, 2026
wasi-testsuite Public
WASI Testsuite

WebAssembly/wasi-testsuite's past year of commit activity

Rust 88 Apache-2.0 45 4 (1 issue needs help) 2 Updated Aug 18, 2026