Shapley is a compilation of free PyGTK networking tools distributed under the BSD license.
FAUmachine is a virtual machine that emulates a PC. It runs as a normal user process (no root privileges or kernel modules needed) on top of (currently) Linux on i386 hardware. The port of FAUmachine to OpenBSD and Windows is in progress.
Displays text or information from a document by rapidly "flashing" short segments on the screen. This has also been called Rapid Serial Visual Presentation (RSVP), and is intended, experimentally, to aid with reading speed and comprehension.