Built to be ease of use, with no programming knowledge, Multi-platform
Free strategy browsergame engine.
Modular Gaming Open Source Persistent Browser Based Game Framework
Free GPS tracking software for your workouts.
Prepare to dream. Prepare to be afraid. Prepare to run.
Free open source game created in Unity 3d for Windows 64 bits
SuperWikia: The Runtime/Realtime Environment for Codesmiths
An extensible development framework for roleplay games.
Horror Game Project
War of Respect is an online turn-based MMORPG in 2D-anime style.
Free MMORPG Engine. Develop and host graphical browser-based games.