QuickREx is a regular-expression plugin for Eclipse. It features on-the-fly evalution, code-completion, group-navigation, different engines and a library for regular expressions. QuickREx also runs as a standalone application - check the downloads.
Feed reader/aggregator that supports RSS and Atom formats. Its plugin architecture make it extensible and it runs under Windows, Linux, Mac OSX, and etc.
PizzaFactory is a distribution package for embedded software development based on Eclipse. The fullset of PizzaFactory is a commercial product. Here is a OSS version (subset but enough useful for hobby users.)
A project in which artifacts of practical code are accumulated & shared within developers, for purpose of quick learning/reuse or quick memory-recovery. It defined common interface for developers to integrate their different-purposed code together easily.
SWT components : calendar combo, calculator combo, sheet