If you've ever wanted to control lights or other electrical appliances from your computer then gportal might be the right tool for you. With this software and a few simple to build electronic circuits you can control up to 8 devices through your computer's parallel port.

Written in C and uses GTK+ 2.0. See the README file in the source for complete information.

Download the current source gzipped tarball here.

You can also go to the project's page at http://sourceforge.net/projects/gportal/

Want to get in touch - email me at stnic@users.sourceforge.net