itch.io

Free and open source 2D and 3D game engine

A complete suite of tools to generate all kinds of procedural dungeons

A collection of shaders used to replicate the distinct visual style of early 3D games within Unity

The 3D Scenes Procedural Engine

Start your game development! No programming experience required! Make small, cross-platform games with Love2d quickly!

A Blender 3D add-on for CSG style level creation inspired by old-school level editors like Unreal 1&2 and DoomEd.

A high-end code editor for all things GameMaker

Editor for pixel art animations

The livecoding environment

All the tools you need to design, code, and play Pixel Vision 8 games.

The HTML5 2D+3D game maker. Open source and collaborative.

3D Game Engine for Blender