NCT writes “Here’s some great opensource DIY Home automation software, written in Perl with a Web interface. For windows or Linux/unix. It also works with the One Wire Weather station posted a few days ago.” MisterHouse is an open source home automation program. It’s fun, it’s free, and it’s entirely geeky. Written in Perl, it fires events based on time, web, socket, voice, and serial data. It currently runs on Windows 95/98/NT/2k/XP and on most Unix based platforms, including Linux and Mac OSX. Link.
Open source web based home automation