A cross-platform file diff and directory diff Tool. Also contains an SCM project which uses the stand-alone tool. Go to https://vmaster.sourceforge.net to see screenshots or to start the diff tool.
CBE is a revision control system with integrated make-like functions written in pure Java. It can be used similar to CVS but offers some new features like renaming files (while still keeping the history) and using a database as backend (optional)
Cross-platform visual versioning system aimmed at easing the user and administrator of large versioning repositories. Being developed in parallel with an API to allow other programs (such as IDEs) to checkout and release source code transparently.
Jistory is an Eclipse plug-in for history sensitive detection of design anomalies in source code. This plug-in aims to aid the developer in writing better code by using history sensitive heuristics to analyse multiple versions of source code.