A barcode encoding library supporting over 50 symbologies.
Earth orbits and satellite coverage display in 3D on your laptop.
Doing 3D with Tcl
Open Source Solid Modeling CAD
Video mixer for mixing live and recorded video and audio feeds
A debian image with linux RT kernel, OpenCV345, ROS, and LinuxCNC
PyMOL is an OpenGL based molecular visualization system
Panda3d to Tcl bindings
Open Source Marine Chart Plotting Program
domes, vaults and eggs - program to create 3D models and plans
A Tcl/Tk widget for OpenGL rendering.