The most impressive websites in the world use 3D graphics
Img is a collection of format handlers for the Tk photo image type.
Doing 3D with Tcl
Open Source Solid Modeling CAD
Draw vector graphics to scale using a descriptive language
Web based console - for presentations and workshops
Panda3d to Tcl bindings
A C extension to Tk that provides functionality to modify images
Allows easy view and change of /dev/cdrom, /dev/dvdrecorder, etc.
Bulk extractor for Ensoniq-formatted disk images
Bulk Downloader for selectable Images (even Google Images)
domes, vaults and eggs - program to create 3D models and plans
Image viewer for animated GIFs
A Tcl/Tk widget for OpenGL rendering.