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Awesome Wasm Tools

😎 A curated list of awesome, language-agnostic WebAssembly tools

vshymanskyy/awesome-wasm-tools #awesome #instruments #language-agnostic #tools #wasi #wasm #webassembly

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List stars: 530
README repos: 45
Indexed repos: 45
List commits: 56
Forks: 24
Open issues: 1

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45 repos currently saved from this list.

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WebAssembly/binaryen

Optimizer and compiler/toolchain library for WebAssembly

AI dev

Stack

WebAssembly CMake npm pip

GitHub topics

#c-plus-plus #compilers #emscripten #hacktoberfest #webassembly

Updated: 2026-11-03
Lists: 1 list mention
First commit: 2015-10-29
License: Apache-2.0
Issues: 583 open

8,672

stars

Forks: 904
Commits: 9,155 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

WebAssembly/wabt

The WebAssembly Binary Toolkit

Stack

C++ CMake npm pip

GitHub topics

#webassembly

Updated: 2026-11-02
Lists: 1 list mention
First commit: 2015-08-31
License: Apache-2.0
Issues: 243 open

8,191

stars

Forks: 843
Commits: 2,660 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

wasm3/wasm3

🚀 A fast WebAssembly interpreter and the most universal WASM runtime

AI dev

Stack

C Android CMake Gradle

GitHub topics

#containers #cosmopolitan #devops #edge-computing #embedded #iot

Updated: 2026-09-30
Lists: 2 list mentions
First commit: 2019-07-12
License: MIT
Issues: 21 open

8,077

stars

Forks: 536
Commits: 1,808 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

spinframework/spin

Spin is the open source developer tool for building and running serverless applications powered by WebAssembly.

AI dev

Stack

Rust Axum Cargo

GitHub topics

#serverless #spin #webassembly

Updated: 2026-11-02
Lists: 1 list mention
First commit: 2021-11-02
License: Apache-2.0
Issues: 266 open

6,565

stars

Forks: 317
Commits: 5,089 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

extism/extism

The framework for building with WebAssembly (wasm). Easily & securely load wasm modules, move data, call functions, and build extensible apps.

Stack

Rust Cargo CMake .NET SDK

GitHub topics

#browser #c #cpp #csharp #dotnet #elixir

Updated: 2026-10-09
Lists: 1 list mention
First commit: 2022-08-25
License: BSD-3-Clause
Issues: 55 open

5,824

stars

Forks: 167
Commits: 694 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

trailofbits/manticore

Symbolic execution tool

Archived

Stack

Python PEP 517 pip

GitHub topics

#binary-analysis #blockchain #emulation #ethereum #program-analysis #python

Updated: 2026-06-24
Lists: 1 list mention
First commit: 2017-02-13
License: AGPL-3.0
Issues: 261 open

3,855

stars

Forks: 496
Commits: 1,124 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

bytecodealliance/javy

JS to WebAssembly toolchain

Stack

Rust Astro Vite Cargo pnpm

Updated: 2026-11-02
Lists: 2 list mentions
First commit: 2021-04-23
License: Apache-2.0
Issues: 21 open

2,774

stars

Forks: 139
Commits: 1,344 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

wasmCloud/wasmCloud

wasmCloud is an open source Cloud Native Computing Foundation (CNCF) project that enables teams to build, manage, and scale polyglot apps across any cloud, K8s, or edge.

AI dev

Stack

Rust Axum Cobra gRPC Go Cargo Go modules

GitHub topics

#cloud-native #distributed #edge #kubernetes #nats #platform

Updated: 2026-11-03
Lists: 1 list mention
First commit: 2022-07-23
License: Apache-2.0
Issues: 87 open

2,475

stars

Forks: 267
Commits: 2,815 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

bytecodealliance/wasm-tools

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

AI dev

Stack

Rust Cargo CMake npm

GitHub topics

#wasm #webassembly

Updated: 2026-10-30
Lists: 1 list mention
First commit: 2017-06-02
License: Apache-2.0
Issues: 124 open

1,812

stars

Forks: 363
Commits: 3,454 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

bytecodealliance/wit-bindgen

A language binding generator for WebAssembly interface types

Stack

Rust Cargo

GitHub topics

#interface-types #module-linking #rust #wasi #wasmtime #webassembly

Updated: 2026-11-02
Lists: 1 list mention
First commit: 2021-02-23
License: Apache-2.0
Issues: 176 open

1,474

stars

Forks: 302
Commits: 1,368 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

AlexEne/twiggy

Twiggy🌱 is a code size profiler

Archived

Stack

Rust Cargo

GitHub topics

#profiler #size-optimization #wasm

Updated: 2026-02-18
Lists: 1 list mention
First commit: 2018-02-10
License: Apache-2.0
Issues: 48 open

1,425

stars

Forks: 75
Commits: 648 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

containerd/runwasi

Facilitates running Wasm / WASI workloads managed by containerd

Stack

Rust Axum Cargo

GitHub topics

#containerd #kubernetes #rust #wasi #wasm #webassembly

Updated: 2026-11-03
Lists: 2 list mentions
First commit: 2022-01-27
License: Apache-2.0
Issues: 70 open

1,347

stars

Forks: 133
Commits: 1,973 commits
Star growth, last 7 days: +2 +0.1%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

bytecodealliance/wizer

The WebAssembly Pre-Initializer

Stack

Rust Cargo npm

Updated: 2026-03-10
Lists: 1 list mention
First commit: 2020-11-12
License: Apache-2.0
Issues: 20 open

1,106

stars

Forks: 65
Commits: 282 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

bytecodealliance/jco

JavaScript toolchain for working with WebAssembly Components

Stack

TypeScript Express Svelte SvelteKit Vite Cargo npm PEP 517

Updated: 2026-11-02
Lists: 1 list mention
First commit: 2022-12-17
License: Apache-2.0
Issues: 26 open

1,016

stars

Forks: 146
Commits: 3,688 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

bytecodealliance/cargo-component

A Cargo subcommand for creating WebAssembly components based on the component model proposal.

Stack

Rust Axum Cargo

Updated: 2025-07-14
Lists: 1 list mention
First commit: 2022-04-07
License: Apache-2.0
Issues: 57 open

592

stars

Forks: 69
Commits: 227 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

wasm-bindgen/walrus

Walrus is a WebAssembly transformation library 🌊🐘

AI dev

Stack

Rust Cargo

Updated: 2026-11-03
Lists: 1 list mention
First commit: 2018-10-07
License: Apache-2.0
Issues: 26 open

530

stars

Forks: 91
Commits: 586 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

FuzzingLabs/octopus

Security Analysis tool for WebAssembly module (wasm) and Blockchain Smart Contracts (BTC/ETH/NEO/EOS)

Archived

Stack

Python pip

GitHub topics

#blockchain #call-flow-analysis #control-flow-analysis #disassembler #eos #ethereum

Updated: 2023-11-24
Lists: 1 list mention
First commit: 2018-06-13
License: MIT
Issues: 12 open

489

stars

Forks: 91
Commits: 237 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

wwwg/wasmdec

WebAssembly to C decompiler

Stack

C++

GitHub topics

#binaryen #decompile #decompiler #webassembly

Updated: 2024-02-07
Lists: 1 list mention
First commit: 2017-07-20
License: MIT
Issues: 12 open

430

stars

Forks: 32
Commits: 959 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

danleh/wasabi

A dynamic analysis framework for WebAssembly programs.

Stack

WebAssembly Cargo

GitHub topics

#dynamic-analysis #javascript #wasm #webassembly

Updated: 2026-02-12
Lists: 1 list mention
First commit: 2018-01-11
License: MIT
Issues: 9 open

409

stars

Forks: 53
Commits: 1,851 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

AssemblyScript/binaryen.js

A buildbot for browser & Node.js builds of Binaryen, a compiler infrastructure and toolchain library for WebAssembly.

Stack

JavaScript npm

GitHub topics

#binaryen #compiler #javascript #typescript #webassembly

Updated: 2026-09-18
Lists: 1 list mention
First commit: 2017-06-12
License: Apache-2.0
Issues: 14 open

405

stars

Forks: 55
Commits: 2,247 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

bytecodealliance/ComponentizeJS

JS -> WebAssembly Component

Stack

Rust Vite Cargo CMake npm

Updated: 2026-10-19
Lists: 1 list mention
First commit: 2023-01-20
License: Apache-2.0
Issues: 39 open

399

stars

Forks: 58
Commits: 265 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

WebAssembly/tool-conventions

Conventions supporting interoperatibility between tools working with WebAssembly.

Stack

WebAssembly

Updated: 2026-09-26
Lists: 1 list mention
First commit: 2016-05-27
License: Artistic-2.0
Issues: 57 open

374

stars

Forks: 76
Commits: 178 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

OCamlPro/owi

Owi: Seamless program analysis for C, C++, Go, Haskell, LLVM, Rust, Wasm and Zig.

Stack

OCaml Cargo

GitHub topics

#abstract-interpretation #c #constraints #formatter #fuzzer #haskell

Updated: 2026-11-02
Lists: 2 list mentions
First commit: 2021-10-21
License: AGPL-3.0
Issues: 160 open

329

stars

Forks: 41
Commits: 2,798 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

bytecodealliance/WASI-Virt

Virtual implementations of WASI APIs

Stack

Rust Cargo

Updated: 2026-10-21
Lists: 1 list mention
First commit: 2023-07-07
License: Apache-2.0
Issues: 18 open

236

stars

Forks: 28
Commits: 114 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

rustwasm/wasm-snip

`wasm-snip` replaces a WebAssembly function's body with an `unreachable`

Archived

Stack

Rust Cargo

GitHub topics

#wasm

Updated: 2023-03-20
Lists: 1 list mention
First commit: 2018-01-10
License: Unknown
Issues: 10 open

232

stars

Forks: 26
Commits: 60 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

bytecodealliance/wac

WebAssembly Composition (WAC) tooling

Stack

Rust Axum Cargo

GitHub topics

#components #composition #webassembly

Updated: 2026-09-30
Lists: 1 list mention
First commit: 2023-08-24
License: Apache-2.0
Issues: 34 open

208

stars

Forks: 44
Commits: 332 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

bytecodealliance/wasm-pkg-tools

No description.

Stack

Rust Axum Cargo

Updated: 2026-11-02
Lists: 1 list mention
First commit: 2024-05-08
License: Apache-2.0
Issues: 47 open

159

stars

Forks: 42
Commits: 284 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

jedisct1/witx-codegen

WITX code and documentation generator for AssemblyScript, Zig, Rust and more.

Stack

Rust Cargo

GitHub topics

#assemblyscript #code-generator #interface-types #wasm #webassembly #wit

Updated: 2026-09-25
Lists: 1 list mention
First commit: 2020-04-16
License: MIT
Issues: 1 open

145

stars

Forks: 18
Commits: 210 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

kateinoigakukun/wasminspect

An interactive debugger for WebAssembly

Stack

Rust Cargo

Updated: 2023-12-16
Lists: 1 list mention
First commit: 2019-12-25
License: MIT
Issues: 4 open

144

stars

Forks: 6
Commits: 739 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

dylibso/modsurfer

Devtools to validate, audit and investigate WebAssembly binaries.

Stack

Rust Cargo Go modules

GitHub topics

#binary-scan #cli #debug #diagnostics #observability #security

Updated: 2024-04-15
Lists: 1 list mention
First commit: 2022-10-26
License: Apache-2.0
Issues: 6 open

133

stars

Forks: 5
Commits: 95 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

WebAssembly/wasp

WebAssembly module decoder in C++

Stack

C++ CMake

GitHub topics

#binary-format #wasm #webassembly

Updated: 2022-10-28
Lists: 1 list mention
First commit: 2018-10-31
License: Apache-2.0
Issues: 8 open

118

stars

Forks: 17
Commits: 548 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

g-plane/wasm-language-tools

Full-featured language server and other tools for WebAssembly, making WebAssembly development fast, safe, and joyful.

Stack

Rust Svelte Vite Vue Cargo npm pnpm

GitHub topics

#compiler #language-server #language-server-protocol #lsp #wasm #wast

Updated: 2026-10-30
Lists: 1 list mention
First commit: 2024-09-05
License: MIT
Issues: 2 open

104

stars

Forks: 1
Commits: 1,468 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

bytecodealliance/waffle

Wasm Analysis Framework For Lightweight Experiments

Stack

Rust Cargo

GitHub topics

#compiler #ssa #wasm

Updated: 2026-10-09
Lists: 1 list mention
First commit: 2021-11-13
License: Apache-2.0
Issues: 2 open

stars

Forks: 11
Commits: 438 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

dy/watr

Compile WebAssembly text (WAT) to binary. Parse, print, minify, optimize.

Stack

JavaScript npm

GitHub topics

#compiler #minify-wat #wabt #wasm #wasm-text #wast

Updated: 2026-11-03
Lists: 1 list mention
First commit: 2022-01-23
License: NOASSERTION
Issues: 1 open

stars

Forks: 2
Commits: 1,170 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

ewasm/wasm-metering

[ORPHANED] Injects metering into webassembly binaries

Stack

JavaScript npm

Updated: 2022-11-09
Lists: 1 list mention
First commit: 2016-12-21
License: Unknown
Issues: 11 open

stars

Forks: 18
Commits: 65 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

ASSERT-KTH/slumps

Cool code analysis research for WebAssembly https://urn.kb.se/resolve?urn=urn%3Anbn%3Ase%3Akth%3Adiva-342751

Stack

WebAssembly Flask React npm pip Yarn

GitHub topics

#kth #wasm #webassembly

Updated: 2023-05-19
Lists: 1 list mention
First commit: 2019-08-30
License: Unknown
Issues: 13 open

stars

Forks: 11
Commits: 2,350 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

wasm-signatures/wasmsign2

Implementation of the WebAssembly Modules Signatures.

Stack

Rust Cargo

GitHub topics

#signatures #wasm #webassembly

Updated: 2026-09-25
Lists: 1 list mention
First commit: 2021-05-25
License: Unknown
Issues: 0 open

stars

Forks: 9
Commits: 214 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

acieroid/wassail

wassail (WebAssembly static analyzer and inspection library) is a toolkit to perform both lightweight and heavyweight static analysis of WebAssembly modules.

Stack

WebAssembly

GitHub topics

#static-analysis #webassembly

Updated: 2026-10-05
Lists: 1 list mention
First commit: 2019-09-24
License: NOASSERTION
Issues: 2 open

stars

Forks: 13
Commits: 669 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

satabin/swam

WebAssembly engine in Scala

Archived

Stack

WebAssembly

GitHub topics

#cats #cats-effect #fs2 #scala #scodec #wasm

Updated: 2020-11-25
Lists: 1 list mention
First commit: 2018-03-30
License: Apache-2.0
Issues: 8 open

stars

Forks: 11
Commits: 475 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

fitzgen/wasm-nm

List the symbols within a wasm file

Archived

Stack

Rust Cargo

Updated: 2018-01-11
Lists: 1 list mention
First commit: 2017-12-13
License: Unknown
Issues: 1 open

stars

Forks: 4
Commits: 11 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

bytecodealliance/vscode-wit

Visual Studio Code extension to recognize and highlight the WebAssembly Interface Type (WIT) IDL.

AI dev

Stack

TypeScript Cargo npm

GitHub topics

#textmate-grammar #vscode-extension #wasm #webassembly #wit

Updated: 2026-10-29
Lists: 1 list mention
First commit: 2023-04-10
License: Apache-2.0
Issues: 0 open

stars

Forks: 9
Commits: 131 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

ewasm/wasm-json-toolkit

[ORPHANED] A small toolkit for converting wasm binaries into json and back.

Stack

JavaScript npm

GitHub topics

#wasm #webassembly

Updated: 2024-04-22
Lists: 1 list mention
First commit: 2016-12-05
License: Unknown
Issues: 10 open

stars

Forks: 19
Commits: 117 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

JetBrains/hexana

Hexana — WebAssembly and binary analysis toolkit by JetBrains (IntelliJ Platform plugin + VS Code extension). This repo hosts the docs, issue tracker, and the Hexana MCP plugin for Claude Code and Codex.

AI dev

Stack

Shell pip

Updated: 2026-10-05
Lists: 1 list mention
First commit: 2025-12-22
License: Unknown
Issues: 58 open

stars

Forks: 1
Commits: 36 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

jedisct1/wasmonkey

The WASMonkey magically turns exported WASM functions into imported functions.

Stack

Rust Cargo

GitHub topics

#rust #wasm

Updated: 2026-09-25
Lists: 1 list mention
First commit: 2018-05-16
License: Unknown
Issues: 2 open

stars

Forks: 3
Commits: 82 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

wasmerio/wasm-debug

A runtime-independent crate for transforming Wasm-DWARF

Stack

Rust Cargo

GitHub topics

#debug #debugging #dwarf #webassembly

Updated: 2020-03-11
Lists: 1 list mention
First commit: 2020-02-19
License: Apache-2.0
Issues: 2 open

stars

Forks: 1
Commits: 7 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

GitHub

Activity

Default branch: main
Last pushed: 2026-09-02
GitHub updated: 2026-10-28
Created: 2021-03-17
First commit: 2021-03-17
Last scanned: 2026-11-03 10:50
Watchers: 10

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Repo stars: 60,698
Repo forks: 5,618
Active: 39
Archived: 6

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Rust (25) WebAssembly (6) JavaScript (4) C++ (3) Python (2) TypeScript (2) C (1) OCaml (1) Shell (1)

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