OpenChrom is a tool for gas chromatography and mass spectrometry. The focus is to handle data files from different GC/MS and GC/FID systems and vendors. Its functionality and algorithms can be extended using a flexible plugin approach, based on Eclipse RCP.
A plugin for the Eclipse IDE implementing NumericalChameleon: a powerful numerical convertor, supporting more than 2300 units in 78 categories (physics, radixes, exchange rates, unicode, etc). Fully integrated in the Eclipse IDE (refactoring, copy/paste)