Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.

Vulkan-based implementation of D3D8, 9, 10 and 11 for Linux / Wine

The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.

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 and Death Stranding 2.

The 2013 edition of the Source SDK

Mesh optimization library that makes meshes smaller and faster to render

The WebAssembly Binary Toolkit

Written in C++ and using SDL, The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox, it simulates air pressure and velocity as well as heat.

projectM - Cross-platform Music Visualization Library. Open-source and Milkdrop-compatible.

A conformant OpenGL ES implementation for Windows, Mac, Linux, iOS and Android.

Immediate mode 3D gizmo for scene editing and other controls based on Dear Imgui

Learning FPGA, yosys, nextpnr, and RISC-V

ImTui: Immediate Mode Text-based User Interface C++ Library

Playstation 2 Static Recompiler & Runtime Tool to make native PC ports

Text-based desktop environment

Goxel: Free and Open Source 3D Voxel Editor

A modern port of Turbo Vision 2.0, the classical framework for text-based user interfaces. Now cross-platform and with Unicode support.

GZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an OpenGL renderer and powerful scripting capabilities

Descent 3 by Outrage Entertainment

Steam Audio

Open Source codebase of the game Overgrowth by Wolfire Games LLC

miniz: Single C source file zlib-replacement library, originally from code.google.com/p/miniz

Cross-Platform Level Editor

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

An open source toolkit designed to research Microsoft Pre-Vista licensing mechanisms

The Haiku operating system. (Pull requests will be ignored; patches may be sent to https://review.haiku-os.org).

Geometry library for topological robustness

Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software