Processing is a web site dedicated to "an open source programming language and environment for people who want to program images, animation, and sound."

Appears to be available for GNU/Linux, Mac OS X, and Windows.

See also for developers, , and .

Again, I don't see a single reference to Tcl/Tk on this web site - but we may find useful ideas that could be added to Tcl and Tk.

Category Language Category Multimedia