• Columbus/CAN, University of Szeged, Hungary
  Free C++ reengineering tool with RSF output option
• SHriMP Java Extractor:
  Free Java fact extractor with RSF output option

Software Engineering Resources and Bibliographies

• Software Engineering Colloquium
• Reengineering Resource Repository
• Program Understanding Tools Directory
• WWW Virtual Library - Software Engineering
• RenaissanceWeb
• Collection of Computer Science Bibliographies (access over 800 bibliographies!)