Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
3D Engine c++
Cerberus Content Management System
JavaScript framework to build game engines, games, emulators and apps
A cross platform Lua based game engine
A cross-platform interpreter for many point-and-click adventure games
A full featured cross-platform image library
This kit holds the resources to learn and build mobile apps
Appacts Open Source Mobile Analytics Platform
A multi-platform group communication framework for smartphones
Cross-Platform Mobile Messaging Application
Apache Cordova framework for showing websites as mobile apps
Cross-platform 2D game engine
Cross tablet IDE platform utilizing wireless to do the heavy lifting.