The Sleuth Kit is a C++ library and collection of open source file system forensics tools that allow you to, among other things, view allocated and deleted data from NTFS, FAT, FFS, EXT2, Ext3, HFS+, and ISO9660 images.
The Open SystemC Initiative (OSCI) is a collaborative effort to support and advance SystemC as a de facto standard for system-level design. SystemC is an interoperable, C++ SoC/IP modeling platform for fast system-level design and verification
BeanClipse is a NetBeans plugin for Eclipse: NetBeans runs embedded within the Eclipse platform as a plugin offering the best of both worlds to Java developers. May be just a joke ;-) .... Check also it's twin at : http://sf.net/projects/netclipse
ORUnit is a simple framework for writing and running automated tests, written in the CA-OpenROAD programming language. It is modelled after JUnit, the unit testing framework written in Java by Kent Beck and Erich Gamma.