MAME is a multi-purpose emulation framework
A multimedia framework based on Qt and FFmpeg
Individual-based forward-time genetics simulation software
C++ application framework
MuldeR's Utilities for Qt
C++ Statistical ToolKit
Source code is here - https://sourceforge.net/projects/lcmd-git/
A framework in which the system is defined by a xml file
High performance C++ library for building Wayland compositors
SDL library for Android, including several games.
C++ Frontend for the RenderMan Interface
Now maintained at https://code.google.com/p/lpi/
Dynamic Python binding for Qt Applications
WebKit for OS X Leopard