A royalty free BSD licensed mobile device targeted 2D/3D game engine written in C/ObjC using OpenGL & OpenAL. Blender export scripts, png/pvrtc/ogg/ttf/bmp/wav loaders, XML asset manifesting /w desktop editor, Lua scripting, supports iPhone SDK.
The Open Descent Foundation (ODF) is a community for developers, who want to help to create open source programs, tools, etc. for the famous games Descent1, -2 or -3. Everyone can join the ODF if he accepts the idea of writing open source programs.
Pysox is an open-source library for the development of isometric, 3D games (RTS and TBS chiefly). It will be scriptable in either Python or Lua. It is written in Objective-C using GNUstep, OpenGL, and SDL.
Rise Vision is the #1 digital signage company, offering easy-to-use cloud digital signage software compatible with any player across multiple screens. Forget about static displays. Save time and boost sales with 500+ customizable content templates for your screens. If you ever need help, get free training and exceptionally fast support.
Dmud is a Mud client for mac programmed in Cocoa it will support MCCP MSP MXP, and features like Automapper, scripting languages (python,lua ...), triggers, alias and macros.