Webassembly GitHub Repositories (2026) · Open Source Tools

A production-ready C++ vector graphics engine supporting SVG and Lottie formats, featuring advanced rendering backends such as WebGPU for high-performance graphics.

🛡️ BLA (Blind LLM Agents) — Adversarial defense shield that protects binaries, Electron apps, JS bundles, Python, and WebAssembly against AI reverse-engineering agents like REA. Poison -> Exhaust -> Hallucinate.

A classic Mac loaded with everything you'd want

A browser-based video editor powered by ffmpeg.wasm. No uploads, no servers -- all processing happens locally in your browser using WebAssembly.

Snapshotable WebAssembly interpreter from scratch

ruby.wasm is a collection of WebAssembly ports of the CRuby.

A compute toolkit for the web with the depth of Plan 9 from Bell Labs

A type-safe, component-based language for building reactive WASM web apps.

Cone Programming Language

System headers for interfacing WebGPU from C programs compiled via Emscripten to WebAssembly

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.

SQL as a Function for Rust — an embedded SQL database with a typed ORM and pluggable LMDB/RocksDB storage.

Smaller images, same picture. Compress PNGs to PNG or WebP with automatic quality. PNG output is 8–12% smaller than TinyPNG at equal quality on the median image. Command line and browser.

A blazing-fast, memory-safe neural network library for Rust that brings the power of FANN to the modern world.

JavaScript OCR and text extraction for images and PDFs.

GameStream client for Samsung Smart TV's running Tizen OS

Examples for the Magnum C++11 graphics engine

The JVM native WebAssembly runtime

Open-source implementation of JPEG2000 Part-15 (or JPH or HTJ2K)

A WebAssembly CHIP-8 emulator written with Rust