Learn WebAssembly by writing small programs!

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• Updated Feb 16, 2026
• JavaScript

WebAssembly implementation from scratch in Safe Rust with zero dependencies

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• Updated Jul 22, 2024
• Rust

JS to WASM compiler

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• Updated Nov 12, 2026
• JavaScript

Run real Windows 98 apps and games in your browser. An x86 emulator and Win32 layer written directly in WebAssembly Text, no OS image, no source ports.

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• Updated Nov 12, 2026
• JavaScript

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

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• Updated Nov 4, 2026
• Rust

Creative coding and other mischief in handwritten WebAssembly, using the WebAssembly .wat text format.

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• Updated Apr 11, 2023
• WebAssembly

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

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• Updated Nov 11, 2026
• JavaScript

🪄 Tiny challenges for learning WebAssembly

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• Updated Jan 1, 2025
• JavaScript

A Bare-Metal Intel 8086 Emulator Written in Raw WebAssembly.

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• Updated Jun 13, 2024
• WebAssembly

VSCode extension for autocomplete when writing WebAssembly Text (.wat) files

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• Updated Jan 17, 2024
• JavaScript

Audio Signal Processing by WebAssembly (WAT: WebAssembly Text format and C++ with Emscripten)

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• Updated Oct 15, 2026
• C++

webassembly wat text format to binary compiler

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• Updated Dec 7, 2022
• JavaScript

WebAssembly in Python.

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• Updated Apr 16, 2025
• Python

Create WebAssembly modules using template strings

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• Updated Aug 28, 2024
• JavaScript

Common Crawl's processing tools

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• Updated Mar 26, 2026
• C#

Major mode for webassembly wat/wast buffers using tree-sitter

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• Updated Jan 5, 2024
• Emacs Lisp

Parse annotated wat into relocatable wasm file

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• Updated Aug 4, 2026
• Rust

🟪 Simple shortcut to convert .wat files to .wasm files on your system using node.js

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• Updated May 28, 2022
• JavaScript

This repository has moved to "pluck".

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• Updated Mar 6, 2020
• JavaScript

Pure webAssembly graphics demo in the WAT format. Like actually written in Web Assembly syntax.

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• Updated Dec 6, 2022
• WebAssembly