4 links
Gwydion Sheets
cs.cmu.edu
Gwydion Project's hypercode programming environment for Java supports complex hypertext interlinking, multiple groupings of code, and searching of code and documentation fragments.…
Red Hat Source-Navigator
sourcenav.sourceforge.net
A source code analysis tool. With it, you can edit your source code, display relationships between classes and functions and members, and display call trees. [Open Source]