The Tool Command Language implementation
A universal instant messaging (IM) program
Computer Algebra System written in Common Lisp
Swiss army knife of image processing
The Open On-Chip Debugger
Chess Database and Toolkit program
A barcode encoding library supporting over 50 symbologies.
Library to control radio transceivers and receivers
Translates state machine into a target programming language.
Manage your shell environment variables and aliases
Easily install, upgrade and uninstall open source software on your Mac
Cross-platform, scientific graphics plotting library
Img is a collection of format handlers for the Tk photo image type.
Linux GPIB Driver package (source)
Schematic circuit editor for VLSI and Mixed mode circuit simulation.
NaviServer, a high performance web server written in C and Tcl
Doing 3D with Tcl