CMake

Asteratek256/astera

A C99 cross-platform 2D game library with deferred/forward rendering, collision detection, audio, and asset management.

Doomsday Engineskyjake/Doomsday-Engine

A portable, enhanced source port for Doom, Heretic, and Hexen with modern graphics and cross-platform support.

LSHBOXRSIA-LIESMARS-WHU/LSHBOX

A C++ toolbox providing multiple locality-sensitive hashing algorithms for large-scale approximate nearest neighbor search, with Python and MATLAB bindings.

Pumexpumexx/pumex

A high-performance, multithreaded rendering engine built on Vulkan API with a customizable render graph and cross-platform support.

QJsonflavio/qjson

A Qt-based library for mapping JSON data to QVariant objects, now archived as Qt includes native JSON support.

OpenLieroXalbertz/openlierox

A real-time 2D shooter game inspired by Worms and Liero, featuring fast-paced multiplayer action with ninja ropes.

QuarkPhysicserayzesen/QuarkPhysics

A 2D physics engine for games, simulating rigid bodies, soft bodies, and various physics models together.

gtk-fortranvmagnin/gtk-fortran

A GTK / Fortran binding enabling scientists to build cross-platform graphical user interfaces (GUIs) in Fortran.

udpreplayrigtorp/udpreplay

A lightweight tool for replaying UDP unicast and multicast streams from pcap files.

Caesariadalerank/caesaria-game

An open-source remake of the classic city-building strategy game Caesar III, built with its own engine.

HexiEmberEmu/Hexi

A lightweight, header-only C++23 library for safe binary data streaming and serialization, primarily for network protocols.

LiDARTagUMich-BipedLab/LiDARTag

A real-time fiducial tag system for LiDAR point clouds, robust to lighting and compatible with visual markers like AprilTags.

OISwgois/OIS

A cross-platform, object-oriented input library for handling keyboard, mouse, and joystick devices in C++ applications.

Sourceholdsourcehold/Sourcehold

An open-source engine re-implementation of the 2001 castle simulation game Stronghold, enabling cross-platform play.

BetterSpadesxtreme8000/BetterSpades

A lightweight, open-source client for Ace of Spades that runs on very old hardware with OpenGL/ES 1.1 support.

Odamexodamex/odamex

A client/server source port for Doom enabling online multiplayer with enhanced features while preserving original gameplay.

pfaedlead-freiburg/pfaedle

Generates precise GTFS shapes for public transit feeds by map-matching schedule data to OpenStreetMap road networks.

DroneDBDroneDB/DroneDB

An open-source platform for storing, visualizing, and sharing geospatial data like orthophotos, point clouds, and 3D models.

loomad-freiburg/loom

Automated generation of geographically correct and schematic transit maps from GTFS data.

mir_robotdfki-ric/mir_robot

ROS driver and configuration for MiR autonomous mobile robots, enabling simulation and control via the Robot Operating System.

elbenchobreuner/elbencho

A distributed storage benchmark tool for file systems, object stores, and block devices with GPU support.

quiceremqx/quic

A QUIC protocol library for Erlang and Elixir, providing NIF bindings to Microsoft's msquic implementation.

Qt-SecretQuasarApp/Qt-Secret

A Qt-based encryption library providing RSA and AES implementations for secure data handling in C++ applications.

rrtRoboJackets/rrt

A C++ implementation of Rapidly-exploring Random Tree (RRT) algorithm with an interactive Qt-based viewer.

The Eternity Engineteam-eternity/eternity

An advanced DOOM source port with enhanced scripting, high-resolution support, and cross-platform compatibility.

steering_functionshbanzhaf/steering_functions

A C++ library implementing steering functions for car-like robots with limited turning radius, including Dubins, Reeds-Shepp, and continuous curvature variants.

ni-mediaNativeInstruments/ni-media

A modern C++ library for reading and writing audio streams with idiomatic STL integration.

Valyria TearBertram25/ValyriaTear

An open-source single-player medieval-fantasy 2D JRPG based on an extended Hero of Allacrost engine.

Google's vulkan-cpp-librarygoogle/vulkan-cpp-library

A C++11 Vulkan abstraction library providing type-safe memory management, resource handling, and thread safety.

AudioTKmbrucher/AudioTK

A C++ audio digital processing toolbox for building modular audio filter pipelines with Python bindings.

SDF Font Demokocsis1david/font-demo

A Vulkan-based font renderer that renders text using signed distance field estimation for high-quality GPU text rendering.

qt-android-cmakeLaurentGomila/qt-android-cmake

A CMake utility for building and deploying Qt applications on Android without requiring QtCreator or QMake.

Jpeg-Compressorrichgel999/jpeg-compressor

A small, public domain or Apache 2.0 licensed C++ JPEG compression and fuzzed low-RAM decompression codec.

Abyss EngineAbyssEngine/AbyssEngine

A clean-room reimplementation of the Diablo 2 game engine in C, designed for portability and modding.

LugdunumLugdunum3D/Lugdunum

A modern cross-platform 3D rendering engine built with Vulkan and modern C++14.

config-loadernetcan/config-loader

A C++17 static reflection framework for parsing configuration files (XML, JSON, YAML) into native data structures.