• Azureus (Java) for for VISSOFT Tool Demo Challenge (1st Prize): http://www.program-comprehension.org/vissoft07/VISSOFT2007_ToolDemo.html
• SORTIE (Borland C++): http://holgerkienle.wikispaces.com/SortieToolDemo
• Participation in Susan's C++ Benchmark: http://www.ics.uci.edu/~ses/cascon2001/
• jCosmo (Java) (EvavanEmden): http://www.cwi.nl/projects/renovate/javaQA/instructions.html
• Mozilla: http://www.rigi.csc.uvic.ca/rigi/mozilla/

There are many more systems that have been reverse engineered with Rigi. Many are described in papers available at RigiPublications.

(to do: list of reverse engineered systems with paper references)