Go compiler for small places

Nox for web browsers, including Multiplayer over WebRTC

Mono open source ECMA CLI, C# and .NET implementation

JSC.js is a JavaScript engine which can run on top of you browser’s JavaScript engine.

Squoosh is an image compression web app by Google, that allows you to dive into the advanced options provided by various image compressors.

A simple and easy-to-use raygui layouts editor

The Unicorn emulator framework, now available for JavaScript.

Graphics middleware for games and data visualization

QT is a free and open-source widget toolkit for creating graphical user interfaces as well as cross-platform applications

WebVR compatible 3D app for benchmarking fractal computation with Rust and WebAssembly.

Synthesizers and audio effects processors for web browsers