Awesome Wasm

Collection of awesome things regarding the WebAssembly (wasm) ecosystem.

Please read the contribution guidelines if you want to contribute.

Contents

• General Resources
• Online Playground
• Tutorials
• Compilers
• Non-Web Embeddings
• Projects
  • AI
  • Apache Server
  • Web frameworks-libraries
  • Data processing
  • WebGL
  • webpack
  • Browserify
  • Node.js
  • .NET
  • Others
• Languages
  • Esoteric
  • Forth
  • Go
  • JavaScript-family
  • Kotlin
  • Lua
  • OCAML
  • Python
  • Prolog
  • Rust
  • WASM-like
  • Other
• Tools
  • Editor
  • Kits
• Gists
• Examples
• Benchmarks
• Job Boards
• Articles
• Video
• Slides
• Community
• Books
• Papers
• Demos
• Resources in other languages
  • Russian
  • Simple Chinese
  • Spanish

General Resources

• Official Site
• GitHub
• WebAssembly MDN
• WebAssembly Wikipedia
• WebAssembly Specification

Online Playground

• WebAssembly Explorer
• Assembleash - WebAssembly and Typescript-like languages playground
• Wat2Wasm
• Wasm2Wat

Tutorials

• Developer's Guide
• Wasmbyexample - Hands-On Introduction Examples and Tutorials for Webassembly
• Introduction to WebAssembly Text (2021)
• Hands-On Webassembly: Try the Basics (2020)
• Using WebAssembly modules in C# (2020)
• First steps with WebAssembly in Rust (2020)
• WebAssembly threads in Firefox (2020)
• Using the import statement with an Emscripten-generated module in Vue.js (2020)
• Hit the Ground Running with WebAssembly (2019)
• Uno Platform Bootcamp - single-source WASM & Mobile app tutorial (2019)
• Porting Games to the Web with WebAssembly (2019)
• Level up Command-line Playgrounds with WebAssembly (2019)
• WebAssembly Physics and DOM objects (2018)
• egghead.io: Get Started Using WebAssembly (WASM)(2017)
• The Path to Rust on the Web (2017)
• WebAssembly 101: a developer first steps (2017)
• Emscripten/HTML Integration Tips (2017)
• Compiling Rust to WebAssembly Guide (2017)
• How to get a performance boost using WebAssembly (2017)
• Getting Started With WebAssembly in Node.js (2017)
• Build Your First Thing With WebAssembly (2016)
• WebAssembly — The missing tutorial (2016)
• Webassembly initial steps tutorial (2016)
• WebAssemblyMan – man page for WebAssembly.

Compilers

• Emscripten - LLVM-based project that compiles C and C++
• Binaryen - Binaryen is a compiler and toolchain infrastructure library for WebAssembly, written in C++
• Rust - A safe, concurrent, practical language
• ilwasm - CIL to WebAssembly compiler
• WebAssembly for the GNU Toolchain
• faust2 - Functional programming language for signal processing and sound synthesis
• Asterius - A Haskell to WebAssembly compiler
• PPCI.wasm - PPCI Can compile wasm to machine code and run it in the Python process
• TinyGo - Go for embedded devices and WebAssembly. Creates very small .wasm files.
• Bytecoder - A Rich Domain Model for Java Bytecode and Framework to interpret and transpile it to other languages such as JavaScript, OpenCL or WebAssembly
• AssemblyScript - Definitely not a TypeScript to WebAssembly compiler

Non-Web Embeddings

• WASI - The WebAssembly System Interface
• wasm3 - The fastest WebAssembly interpreter (x86, x64, ARM, MIPS, Xtensa)
• fizzy - Fast, deterministic, and pedantic WebAssembly interpreter written in clean C++17
• wamr - WebAssembly Micro Runtime (WAMR) is an AOT/JIT/interpreter focusing on small footprint
• wac - WebAssembly in C (x86)
• Asmble - WebAssembly on the JVM
• wasmachine - WebAssembly in a FPGA
• Olin - WebAssembly on the server
• Wasmer - Standalone JIT WebAssembly Runtime
  • Wasmer for Go
  • Wasmer for Python
  • Wasmer for PHP
  • Wasmer for Ruby
  • Wasmer for Postgres
• warpy - WebAssembly in RPython
• pywebassembly - WebAssembly interpreter written in pure Python
• py-wasm - WebAssembly interpreter written in pure Python
• pywasm - WebAssembly interpreter written in pure Python.
• wabt - WebAssembly toolkit and interpreter written in C++
• binaryen - WebAssembly toolkit and interpreter written in C++
• wagon - WebAssembly interpter written in Go
• wasmtime - Standalone WebAssembly Runtime
• embly - A serverless web application framework for collaboration and scale
• SSVM - WebAssembly Virtual Machine for AI and Blockchain applications
• Manticore - Symbolic execution engine with support for WebAssembly
• WAVM - WebAssembly virtual machine, designed for use in non-web applications
• windtrap - A WASM VM written in Elixir
• Extism - the universal plug-in system to make your software programmable
• Owi - a Wasm interpreter written in OCaml

Projects

AI

• Voy - A WASM vector similarity search engine written in Rust

Apache Server

• mod_wasm - An extension module for the Apache HTTP Server that enables the usage of WebAssembly (Wasm).

Web frameworks-libraries

• asdom - DOM bindings for AssemblyScript, write DOM code just like in TypeScript, but compiled to WebAssembly, by LUME
• asm-dom - A minimal WebAssembly virtual DOM to build C++ SPA
• Blazor - Microsoft's web UI framework using C#/Razor and HTML, running client-side via WebAssembly
• Yew - Rust framework for making client web apps
• Perspective - Streaming pivot visualization via WebAssembly
• go-vdom-wasm - Webassembly VDOM to create web application using Golang(experimental)
• seed - A Rust framework for creating web apps
• Vugu - A modern UI library for Go+WebAssembly
• Vecty - Lets you build responsive and dynamic web frontends in Go using WebAssembly
• Zwitterion - A web dev server that lets you import anything*

Data processing

• jq-web - the JSON processing tool jq ported to the web with Emscripten

WebGL

• ammo.js - direct port of the Bullet physics engine to JavaScript using Emscripten
• glas - WebGL in WebAssembly with AssemblyScript, by LUME
• Particle System - an experiment designed to benchmark web technologies: ES6, Emscripten and Web Assembly
• Oryol - a small, portable 3D coding framework written in C++

webpack

• wasm-loader - WASM webpack loader
• cpp-wasm-loader - C/C++ to WASM Webpack loader optimized for small bundle sizes

Browserify

• rustify - Rust WebAssembly transform for Browserify

Node.js

• webassembly - A minimal toolkit and runtime to produce and run WebAssembly modules.
• wasm-pack - pack up the wasm and publish it to npm!
• go-wasm-cli - Minimalistic cli to create and run (with hot reload) Go application targeting WASM
• xwasm - WebAssembly Packager and WASM tooling for modern frontend

.NET

• Uno Platform - An implementation of Microsoft's UWP APIs for iOS/Android/WebAssembly/Linux/macOS, using C#/XAML on top of mono-wasm
• Ooui.Wasm - A Xamarin.Forms backend for WebAssembly, using C#/XAML on top of mono-wasm

Others

• wasm-init - Work environment and code generator for WebAssembly projects
• wasm - Python WebAssembly decoder & disassembler library
• MXnet.js - ASM.js build of MXNet, deep learning (neural nets and so) library
• YAKC - a multi-system 8-bit emulator written in C++
• Eufa - a high efficient utility functions library written in webassembly
• Argon2 in browser - Argon2 library compiled for browser runtime
• cld3-asm - Wasm based JS binding for Google compact language detector 3
• hunspell-asm - Wasm based JS binding for Hunspell spellchecker
• wasm-bindgen - Interoperating JS and Rust code
• ewasm - Ethereum flavored WebAssembly
• webm-wasm - Create webm videos in JavaScript via WebAssembly
• wasm-pdf – Generate PDF files with JavaScript/WASM
• go-web-app – Quickly setup Go + WebAssembly frontend apps
• gotemplate.io – Quicky test and visualize your Go templates live
• WasmBench - A large dataset of real-world WebAssembly binaries, collected from the Web, GitHub, NPM and more
• gtree - Web app that converts from Markdown to tree using WebAssembly
• wasm-bpf - A WebAssembly eBPF library, toolchain and runtime to help you build eBPF programs to Wasm and run in kernel.
• crypto-js-wasm - An alternate to crypto-js implemented with WebAssembly and ESM
• ssheasy - An online ssh and sft client

Languages

Esoteric

• funge.js - A Befunge JIT

Forth

• WAForth - Bootstrapping Dynamic Forth Interpreter/Compiler for & in WebAssembly

Go

• Go - Go programming language WebAssembly support
• Compiling Go to WebAssembly
• VueGo - WebAssembly Vue.js wrapper written in Go

JavaScript-family

• AssemblyScript - A subset of TypeScript that compiles to WebAssembly
• Getting Started with AssemblyScript
• TurboScript - A TypeScript-like language that compiles to asm.js and WebAssembly (unmaintained)
• speedy.js - Accelerate JavaScript Applications by Compiling to WebAssembly (unmaintained)

Kotlin

• Kotlin/Wasm (Kotlin WebAssembly)

Lua

• wasm_lua - Lua VM running in a WASM environment
• wasmoon - a high level Lua VM with JS bindings

OCAML

• ocamlrun-wasm - OCaml Bytecode Interpreter in WASM
• wasicaml - Translate OCaml Bytecode to WASM
• Wasocaml - OCaml to WasmGC compiler

Python

• Pyodide - The Python scientific stack running in the browser
• PyScript - Run Python Code and the scientific stack in the browser
• python-wasm - WebAssembly CPython for Node.js and the browser built using Zig (no emscripten)
• Rocket game - Rocket, written in Rust, compiled to WASM, running in Python (using PPCI)

Prolog

• Ciao Prolog Playground (WASM)

Rust

• Rusty Web
• parity-wasm - WebAssembly serialization/deserialization library in pure Rust
• wasmi - WebAssembly interpreter in pure Rust
• awesome-rust (has scattered references to targeting WASM)
• Ruffle - Adobe Flash Player emulator written in the Rust

WASM-like

• wah - a slightly higher-level language superset of webassembly
• Walt - Alternative Syntax for WebAssembly
• wam - Superset of wast syntax that is more convenient for humans to write directly

Other

• Lys - a functional language that compiles to WebAssembly
• Never - statically typed, embeddable functional programming language

Tools

Editor

• vim-wasm - WebAssembly filetype support for Vim
• vscode wast - WebAssembly(S-expression) support
• Atom language-wast
• vscode-wasm - WebAssembly toolkit for vscode

Kits

• WABT - A suite of tools that help working with WASM binary files
• webassembly-binary-toolkit - The WABT tools installable as an npm package
• Owi - A WebAssembly toolkit and cross-language bug-finder

Gists

• Standalone WebAssembly Example
• Using WebAssembly in LLVM
• Calling alert from WebAssembly (WASM)

Examples

• The Windows 10 calculator running in WebAssembly
• webassembly-examples
• Factorial in WebAssembly
• WebAssembly vs. JavaScript Animation Demo
• Web DSP
• wasm-intro - Tiny WebAssembly Examples with LLVM/clang and C
• webassembly-examples - From Simple To Complex.
• D3 force layout with WebAssembly
• wasmBoy - Gameboy Emulator Library written in Web Assembly using AssemblyScript
• CppOpenGLWebAssemblyCMake - C++/OpenGL/OpenAL/GLFW/GLM based app built with CMake to native or WebAssembly
• WebAssembly A* Pathfinding
• HackerNews PWA with wasm-bindgen
• TiDB playground - writing SQL in an in-browser golang database in WebAssembly
• Made With Webassembly - Showcase of Awesome Production Applications, Side Projects, and Use Cases Made With Webassembly
• HandyTools - A tool providing features like base64 encoding/decoding, Unix time conversion, etc. Written in Go + WebAssembly
• WAsm Heatmap - Creates a heatmap layer for Leaflet.js with Go+WebAssembly+WebWorkers
• Modfy - Wasm Video Transcoder
• Gameboy emulator written in Rust and compiled to WebAssembly
• Boytacean - A fast Game Boy Emulator written in Rust and running in the Browser using WebAssembly
• Pyxel - A Retro Game Engine for Python With a Rust Core, Running in the Browser via WebAssembly

Benchmarks

• WebAssembly Video Editor
• 3D skeletal animation system
• Cubes JS - Cubes (WebAssembly)
• JavaScript vs WebAssembly easy benchmark
• Performance Testing Web Assembly vs JavaScript
• A Real-World WebAssembly Benchmark by PSPDFKit
• Wasm vs. PNaCl Performance Benchmark by PDFTron
• JavaScript vs WebAssembly running in Browser/Nodejs

Job Boards

• WebAssembly Jobs

Articles

• WebAssembly Fixed-Width SIMD from C# (2023)
• WebAssembly and SIMD: A Match Made in the Browser (2020)
• WebAssembly at eBay: A Real-World Use Case (2019)
• How We Used WebAssembly To Speed Up Our Web App By 20X (Case Study) (2019)
• Practice your Go WebAssembly with a Game (2019)
• The world's easiest introduction to WebAssembly with Golang (2019)
• Why WebAssembly? (2018)
• Writing WebAssembly By Hand (2018)
• Ruby on WebAssembly (2018)
• Optimizing WebAssembly Startup Time - 4 simple yet effective solutions to reduce load time. (2018)
• WebAssembly: A New Hope (2017)
• Creating a WebAssembly module instance with JavaScript (2017)
• Memory in WebAssembly (and why it's safer than you think) (2017)
• WebAssembly table imports… what are they? (2017)
• WebAssembly Demystified (2017)
• A cartoon intro to WebAssembly (2017)
• Creating and working with WebAssembly modules (2017)
• What makes WebAssembly fast? (2017)
• Where is WebAssembly now and what's next? (2017)
• Web Games Platform: Newest Developments (2017)
• Why WebAssembly is Faster Than asm.js (2017)
• Firefox 52: Introducing Web Assembly, CSS Grid and the Grid Inspector (2017)
• Previewing the WebAssembly Explorer (2017)
• Why WebAssembly is a game changer for the web — and a source of pride for Mozilla and Firefox (2017)
• Introduction to WebAssembly (2017)
• What is WebAssembly? (2015)
• 7 Things You Should Know About WebAssembly (2015)
• WebAssembly: a binary format for the web (2015)
• Compiling to WebAssembly: It's Happening! (2015)
• The Future of Programming: WebAssembly & Life After JavaScript (2015)
• WebAssembly Everywhere

Video

• The Complete WebAssembly Course - From Beginner to Advanced! (2024-01)
• What is WebAssembly? By Some of its Creators (2019-08)
• Level up Your Web Apps with WebAssembly (PerfMatters Conference 2019-04)
• Go WebAssembly Tutorial - Building a Calculator (2018-08)
• Get Going with WebAssembly (2018-08)
• Build the future of the web with WebAssembly and more (Google I/O 2018-05)
• WebAssembly and the Death of JavaScript? (2018-02)
• Practical WebAssembly (2017-12)
• Real World WebAssembly (Chrome Dev Summit 2017-10)
• Andreas Rossberg - Bringing the Web up to Speed with WebAssembly (2017-06)
• Compiling for the Web with WebAssembly (Google I/O 2017-05)
• A Cartoon Intro to WebAssembly (2017-05)
• WebAssembly Demystified (2017-05)
• Meeting C++ 2016: Implementing a web game in C++14 - Kris Jusiak (2017-01)
• CppCon 2016: Dan Gohman "C++ on the Web: Let's have some serious fun." (2016-10)
• WebAssembly and the Future of the Browser (2016-09)
• NYLUG Presents: Luke Wagner -on- WebAssembly: A New Compiler Target For The Web (2016-06)
• Web Assembly - Nick Bray - BlinkOn 5 - (2015-11)
• Web Assembly - Nick Bray - GOTO 2015 - (2015-10)
• From ASM.JS to WebAssembly (2015-06)
• A Talk Near the Future of Python (a.k.a., Dave live-codes a WebAssembly Interpreter)

Slides

• Web Assembly for Dumb People (2020)
• Boost your web application with C++ (2016)
• WebAssembly (Do we all have to learn C now?)
• WebAssembly (2016)
• WebAssembly overview (2016)
• Emscripten and WebAssembly (2015)
• An intro to WebAssembly (2015)

Community

• W3C Community Group
• Stack Overflow
• Twitter
• Slack: WebAssembly Developers (click here to get an invitation)
• WasmWeekly - a weekly newsletter
• WebAssembly AMA

Books

• WebAssembly Reference Manual
• Learn WebAssembly - Build web applications with native performance using Wasm and C/C++
• Programming WebAssembly with Rust - Unified Development for Web, Mobile, and Embedded Applications
• Rust and WebAssembly
• WebAssembly in Action - Introduces the WebAssembly stack and walks you through the process of writing and running browser-based applications
• Level up with WebAssembly - A practical guide to building WebAssembly applications
• Hands-On Game Development with WebAssembly

Papers

• Bringing the Web up to Speed with WebAssembly
• The Web Assembles
• An Empirical Study of Real-World WebAssembly Binaries: Security, Languages, Use Cases
• Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code
• Provably-Safe Multilingual Software Sandboxing using WebAssembly
• Wasabi: A Framework for Dynamically Analyzing WebAssembly
• Wasocaml: compiling OCaml to Webassembly
• Owi: Performant Parallel Symbolic Execution Made Easy, an Application to WebAssembly

Demos

• Aphrós - finite volume solver for incompressible multiphase flows
• Cubes - direct port of the Bullet physics engine
• Basic4GL
• Symatem - an Ontology Engine, Visualizer, and Editor
• Funky Karts
• PSPDFKit for Web - a WebAssembly-based PDF viewer with annotation features
• Uno Platform Playground - a WebAssembly-based XAML playground
• Roslyn Quoter - a WebAssembly-based Roslyn-based C# code quoter
• wasmBoy Demo/Debugger - a Gameboy Emulation library written in Web Assembly using AssemblyScript
• DOOM 3 - Doom 3 WebAssembly port
• Squoosh.app - Compress and compare images with different codecs, right in your browser
• SketchUp - 3D modeling software
• WebViewer - a CAD, MS Office, and PDF SDK

Resources in other languages

Russian

• KharkivJS #5: Serious JS (Kharkiv, Ukraine, November 7, 2015) - WebAssembly: new era of Web (video)
• OdessaJS 2017 - Real world WebAssembly (video)
• Урок-введение по WebAssembly на примере игры "Жизнь" (article)

Simplified Chinese

• WebAssembly 中文网
• WebAssembly 中文社区
• WebAssembly-cn Orgnization
• WebAssembly资料精选 - 中文版
• WebAssembly标准入门 - 第一本中文图书
• C/C++面向wasm编程 - 第一本中文开源图书
• 《深入浅出 WebAssembly》

Spanish

• Compilando para el navegador con WebAssembly (article)

License

To the extent possible under law, Matteo Basso has waived all copyright and related or neighboring rights to this work.