WebAssembly

Fast, private, batch image compressor website (WebAssembly)

Rust/Wasm-powered SQL transpiler for more than 30 SQL dialects

A complete browser-based reverse engineering platform built on Rizin, running entirely client-side via WebAssembly.

Web Office: Local-First & Private. Professional-grade Word, Excel, and PowerPoint editing powered by WebAssembly. Zero data uploads, 100% client-side for uncompromising privacy. 🛡️ 纯本地浏览器 Office，数据零上传，隐私安全。⚡️ Wasm 採用、ローカル完結で究極のプライバシー。🚀 Полная приватность: Wasm-офис без загрузки данных.

📦️ A fast, secure MCP server that extends its capabilities through WebAssembly plugins.

PDFCraft is a free, privacy-focused PDF toolkit that runs entirely in your browser. With 90+ professional tools, you can edit, convert, merge, split, and secure your PDF files without ever uploading them to a server.

A secure, durable runtime to sandbox AI agent tasks. Run untrusted code in isolated WebAssembly environments.

Ghostty for the web with xterm.js API compatibility

⚡ Ultra-fast data validation for Python & TypeScript. Drop-in Pydantic/Zod replacement powered by Zig + SIMD WASM.

A blazingly fast (rust/wasm) voice chat demo.

MuJoco Simulation on Web Assembly with Neural netwroks

Run local AI models in your browser for chat, audio transcription, text to speech and background removal

Open-source platform for GPS-anchored 3D mapping using crowdsourced mobile scans

online video editor built with nextjs, remotion and ffmpeg (web assembly port) for render.

A lightweight, WebAssembly-native Canister Development Kit (CDK) for building smart contracts on the Internet Computer (ICP) with the MoonBit language.

Build terminal-themed web applications with Rust and WebAssembly. Powered by Ratatui.

Preswald is a WASM packager for Python-based interactive data apps: bundle full complex data workflows, particularly visualizations, into single files, runnable completely in-browser, using Pyodide, DuckDB, Pandas, and Plotly, Matplotlib, etc. Build dashboards, reports, and notebooks that run offline, load fast, and share like a document.

The next-generation file converter. Open source, fully local* and free forever.

Video compression in the browser using FFMPEG.wasm

An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, built-in WebAssembly runtime, realtime subscriptions, auth, and admin UI built on Rust, SQLite & Wasmtime.

A collection of 🤗 Transformers.js demos and example applications