Free game engine for development of desktop, mobile, and web games
Pokémon Save File Editor
Flexible level editor
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
The flexible game engine
The Tiny JavaScript Game Engine That Can!
Java application for creating Morphing videos
Inspecting and manipulating NBT as a file system
Edit BZFlag world maps with 3D preview
This is a Units Editor for Empire At War which will make things easy.
Portable UCI- and XBoard-compatible chess engines.
Every creative journey starts with Unity Hub
GPS track editor for editing tracks and planning (multiple) day tours
Custom Map File Generator for C-evo
LDraw™ editor for LEGO® style digital building instructions.
3D OpenGL dungeon game using Ada: a tribute to Narbacular Drop
A sharp, readable, vector-y version of Monocraft
Haskell game engine library for roguelike dungeon crawlers
Updated emulator of Forgotten Realms: Unlimited Adventures
An elegant Go board and SGF editor for a more civilized age