MSR Tools is a source code evolution analysis tool. It consists of a framework for mining software repositories and tools for metric calculation, visualization, and defect prediction.
UCDetector (Unecessary Code Detector) is an Eclipse plugin tool that finds unnecessary (dead) public Java code. It suggests that you make the code final, protected, or private. UCDetector also finds cyclic dependencies between classes.
A reimplementation of the Morrowind engine.
A Step 7 AWL/STL/PLC simulator.