OptiScaler bridges upscaling/frame gen across GPUs
Enables Roblox developers to use professional software tools
Simple GTK# Paint Program
Flexible level editor
GPS track editor for editing tracks and planning (multiple) day tours
Full featured MUD server with all the trimmings.
Program to design crosswords
Homebrew save management, editing tool and memory trainer for Horizon
Source port of the game "Mars - The Ultimate Fighter"
Pinewood Derby Race Management
3D Game engine
A game development kit for Sifteo Cubes.
A lightweight, powerful editing tool for kOS Autopilot Mod on KSP.
A visual editing environment for Sims3 JAZZ resources.
Phobos editor is a generic resource editing system.