Godot Engine – Multi-platform 2D and 3D game engine

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

A brief computer graphics / rendering course

Apache Weex (Incubating)

🌈 Node.js bindings to libsass

The Flutter engine

TattieBogle Xbox 360 Driver (with improvements)

QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.

Mixxx is Free DJ software that gives you everything you need to perform live mixes.

rTorrent BitTorrent client

Open-Source Vulkan C++ API

Tomahawk, the multi-source music player

Functional programming language for signal processing and sound synthesis

A modern and transparent way to use Windows VST2, VST3 and CLAP plugins on Linux

Makes Linux applications self-contained by copying in the libraries and plugins that the application uses, and optionally generates an AppImage. Can be used for Qt and other applications

V8 Javascript Engine for PHP — This PHP extension embeds the Google V8 Javascript Engine

2D Vector Graphics Engine Powered by a JIT Compiler

C++ Qt bindings for Node.js

Flycast is a multiplatform Sega Dreamcast, Naomi, Naomi 2 and Atomiswave emulator

nidium is an ongoing effort for a mobile hw-accelerated rendering engine to create apps and games. Embedding Mozilla JavaScript VM, Google Skia, Facebook Yoga. https://twitter.com/nidiumproject for…

Add virtual monitors to your windows 10 device! Works with Oculus software, obs, and any desktop sharing software

A Flux implementation for QML

Dolphin for iOS, reborn

Cross-platform text editor based on Qt and Scintilla.

Xbox 360 Controller (XInput) Polling Rate Checker

Modern groupware client based on QtQuick and Sink

Use Windows audio plug-ins on Linux