The Tool Command Language implementation
Computer Algebra System written in Common Lisp
A universal instant messaging (IM) program
Swiss army knife of image processing
Side-by-side diff viewer, editor and merge preparer
Platform-agnostic GUI supporting CVS, Subversion, Git, and RCS
Enterprise project management replacement for Project Server
Implementation of Tcl for the CLR.
Regex Windows GUI app to help learn, create,& test Regular Expressions
Dynamic Extension for TCL/TK
Provides cross-linked, filtered views of a running system
Yet Another Diff Tool