GeeXLab

GeeXLab – cross-platform tool for game development, 3D programming, creative coding and prototyping.
Amulet

Amulet is a free Lua-based audio/visual toolkit suitable for small games and experimentation.
Orx

Orx – a portable open source game engine.
Corona SDK

Cross-platform mobile app development.
LibGDX

Libgdx is a Java game development framework that provides a unified API that works across all…
MonoGame

MonoGame is an open source implementation of the Microsoft XNA 4 Framework.
BYOND

BYOND is the premier community for making and playing online multiplayer games.
RPG Maker

Make your own PC game with RPG Maker. Our easy to use tools are simple enough for a child, and powerful enough for a developer. Try it free today!
Adventure Game Studio

Adventure Game Studio provides the tools to make your own adventure, for free!
Urho3D

Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released…