RenderDoc is a stand-alone graphics debugging tool
3D modeler, 3D game maker, 3D demo maker
Cross Platform GUI Toolkit
Modern, lightweight and efficient 2D level editor
Kisekae UltraKiss is a full featured integrated development environmen
Dust3D is a cross-platform open-source 3D modeling software
Growth-grammar related Interactive Modelling Platform
A fast, self-contained, highly customizable Aseprite-to-Unity importer
A customizable 3D platform for agent-based AI research
8-bit Graphical API for Java
Map Generation Application and API
Realtime 3D engine for game development
A public domain cross platform 3D game
3D .NET engine for Windows, Linux, Mac
Java 2D graphics/utility library
A free, open-source texture packing program.
Java3D Scene Creator
AMOS BASIC reimplementation in Java
Vector based drawing software designed for RPGs