Top WEBASSEMBLY GitHub Repositories & Tools (2026)

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

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

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

Radzen Blazor is the most sophisticated free UI component library for Blazor, featuring 145+ native components including DataGrid, Scheduler, Charts, and advanced theming with full support for Material Design and Fluent UI. If Radzen Blazor is useful to you, a ⭐ on GitHub helps other Blazor developers find it.

Pure Go implementation of the WebRTC API

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

:electron: Build cross platform desktop apps with ASP.NET Core (Razor Pages, MVC, Blazor).

Write Cloudflare Workers in 100% Rust via WebAssembly

Swift framework to interact with JavaScript through WebAssembly.

Quickly develop, deploy and test Solana programs from browsers

OpenID/Connect, OAuth2, WS-Federation and SAML 2.0 server based on Duende IdentityServer and ITFoxtec Identity SAML 2.0 with its admin UI

Embedded relational database and native Rust data API.

The first AI agent harness native to the browser. A browser extension that runs a full agent loop where you already work: it drives your tabs, spins up sandboxed compute (JS notebooks, WASM Linux VMs, client-side apps), and shares what it builds peer-to-peer. BYOK, no backend, no telemetry.

Cone Programming Language

User interface engine driven by a declarative language + Rust

Easy to use PDF library using Go and PDFium

C# .NET 10 Blazor habit tracker application. Works on Web, Windows, Linux, Android, iOS and macOS.

A WebAssembly CHIP-8 emulator written with Rust

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

Markdown component based on the MudBlazor environment