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

Productive, portable, and performant GPU programming in Python.

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

Notepad++ official repository

A modern formatting library

Yoga is an embeddable layout engine targeting web standards.

UPX - the Ultimate Packer for eXecutables

Abseil Common Libraries (C++)

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

Offline documentation browser inspired by Dash

🍃 Organic Maps is a free Android & iOS offline maps app for travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, …

Multi-Joint dynamics with Contact. A general purpose physics simulator.

Free open-source non-linear video editor

A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West.

Cross-platform library for building Telegram clients

The C++ REST SDK is a Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design. This project aims to help C++ developers connect to an…

JUCE is an open-source cross-platform C++ application framework for desktop and mobile applications, including VST, VST3, AU, AUv3, LV2 and AAX audio plug-ins.

Helper application for Linux distributions serving as a kind of "entry point" for running and integrating AppImages

The FastLED library for colored LED animation on Arduino. Please direct questions/requests for help to the FastLED Reddit community: http://fastled.io/r We'd like to use github "issues" just for tr…

Noise suppression plugin based on Xiph's RNNoise

LibreCAD is a cross-platform 2D CAD program written in C++17. It can read DXF/DWG files and can write DXF/PDF/SVG files. It supports point/line/circle/ellipse/parabola/spline primitives. The user i…

2D physics engine for games

Making it easier to work with shaders

Lightweight C++ command line option parser

C++ Insights - See your source code with the eyes of a compiler

A large scale non-linear optimization library

Range library for C++14/17/20, basis for C++20's std::ranges

CloudCompare main repository

A lightweight library for portable low-level GPU computation using WebGPU.

Qt Node Editor. Dataflow programming framework