The Tool Command Language implementation
Computer Algebra System written in Common Lisp
A universal instant messaging (IM) program
Swiss army knife of image processing
Manage your shell environment variables and aliases
Easily install, upgrade and uninstall open source software on your Mac
A network security analysis and monitoring toolkit Linux distribution.
Side-by-side diff viewer, editor and merge preparer
Cross-platform, scientific graphics plotting library
Platform-agnostic GUI supporting CVS, Subversion, Git, and RCS
Schematic circuit editor for VLSI and Mixed mode circuit simulation.
tk-number is a spreadsheet program written in tcl/tk
Implementation of Tcl for the CLR.