3D Engine c++
Java UI Framework for Desktop/iOS/Android
A multi-format module player and library
A multimedia framework based on Qt and FFmpeg
Development toolkit for Web Services and XML data bindings for C & C++
Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
A cross-platform interpreter for many point-and-click adventure games
libusbx is OBSOLETE - use http://libusb.info
The solution to all your problems
Apache Cordova framework for showing websites as mobile apps
PMI Romania Chapter mobile application
Java based Open source Voxel Engine for RTS games