Computer Algebra System written in Common Lisp
Chess Database and Toolkit program
Img is a collection of format handlers for the Tk photo image type.
Cross-platform, scientific graphics plotting library
Doing 3D with Tcl
Schematic circuit editor for VLSI and Mixed mode circuit simulation.
Earth orbits and satellite coverage display in 3D on your laptop.
Implementation of Tcl for the CLR.
Numerical mathematics platform, Matlab alternative
Open Source Solid Modeling CAD
Analysis and display of Census, business, government attribute data
SMakeWav - create WAV file functions generator (sound), graph PS orTCL
Yet Another Diff Tool
GUI and drawing for Fortran and 'C' programs
Build Systems for WSJT Applications