One framework for creating powerful cross-platform games
Ze Text Adventure game Builder : Create as you play !
Molecular viewer and prototyping framework
Sdk library for creating 2048 game in c#.
2D Game Engine
Modern 3D engine and IDE written using C# and C++.
Reactive extensions for Unity
A starter development kit that let you develop FF6-like games on PC.
3D .NET engine for Windows, Linux, Mac
c# lua bind with unity3d project for game development
Gives agents personality, moods, emotions and emotional attachments.
Open Source Virtual World and MMOG Development Platform