Pterodactyl® is a free, open-source game server management panel
UI Automation Framework for Games and Apps
Game engine supporting many 3D/2D formats and graphic effects
A modern, cross-platform Quake game engine based on FitzQuake.
A standalone UQM mod made to enhance gameplay and visuals
Odamex is a free, cross-platform, modern client-server Doom engine
A cross-platform port of Hexen II game.
Zoomable user interface (ZUI) with file manager, file viewers and more
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
A free 3d game for PC that does not limit the player. Fight,Build,Gain
C++ lightweight cross-platform game engine
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
DOOM / Heretic / Hexen source port with enhanced graphics and UI
A fun realistic multiplayer free-and-open-source first-person-shooter!
Character animation system for games and simulations.
Cross Platform GUI Toolkit
3D-Accelerated open-source DOOM engine
Build Cross-platform Applications
Asphyre is a cross-platform framework for Delphi and FreePascal.
scriptable game engine with built-in support for 2D graphics and sound