Webassembly GitHub Repositories (2026) · Open Source Tools

Pure Go implementation of the WebRTC API

Compiles Java bytecode to JavaScript, WebAssembly and C

Free real-time audio effects for music listening: EQ, tube amp, AM radio, visualizer, and 100+ more. Web/PWA, desktop, Chrome/Edge extension, VST3.

Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

A zero-overhead systems language uniting Go ergonomics with bare-metal performance: zero-GC, direct C-ABI, and ultra-lightweight, WASI-free WebAssembly (normal & concurrent).

Astrid is a portable, capability-secure operating system for composable software.

high-performance rendering backend (C++, Python, C#, Java)

WebAssembly SQLite with support for browser storage extensions

Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

Easy to use PDF library using Go and PDFium

2dog is Godot in .NET 🦴

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.

A fast 2D and 3D game engine — TypeScript SDK, C++/WebAssembly core, visual editor. Ship one project to web, desktop, WeChat MiniGames, playable ads, and native Android / iOS.

A flight-compliant WebAssembly interpreter.

Universal cheminformatics toolkit, utilities and database search tools

Bootstrap Blazor is an enterprise-level UI component library based on Bootstrap and Blazor.

WasmEdge is a lightweight, high-performance, and extensible WebAssembly runtime for cloud native, edge, and decentralized applications. It powers serverless apps, embedded functions, microservices, smart contracts, and IoT devices.

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

Local-first browser editor for Word, Excel, PowerPoint and PDF, with an experimental AI assistant. No Office installation or account required.

A multi-framework control library of https://github.com/microsoft/fluentui-system-icons