Automation

GtkX10
The GtkX10 project to control X10 devices in a GUI.
http://www.miscreation.net/projects/gtkx10/

Project Guru
Expositive resource for using Linux for home automation. Includes tutorials, software, and a forum.
http://www.linuxguru.be/

X10 MouseRemote for Linux
A X10 MouseRemote for Linux.
http://www4.pair.com/gribnif/ha/

Xtend: The X10 to UNIX controller
Xtend is a X10 to UNIX controller.
http://www.jabberwocky.com/software/xtend/