Smart Home with LinuxMCE

LinuxMCE is a free, open source add-on to Kubuntu including a 10' UI, complete whole-house media solution with pvr + distributed media, and the most advanced smarthome solution available. It is stable, easy to use, and requires no knowledge of Linux and only basic computer skills.

Features:

Smart Home
• Home Automation: Control lighting, climate, security, camera surveillance, and more
• Communication: Phone system with auto-attendant, voice mail, call forwarding/routing for VOIP and POTS lines
• Security: Uses your existing home alarm, surveillance cameras, lights, phones and tv's to notify you on your mobile phone of any security alerts with the option of reseting the alarm or broadcasting your voice in the house over the tv's

Media & Entertainment
• 3D alpha-blended GUI optimized for displaying on a TV and using a remote control
• Media browser presenting all content on all devices in the home on a 3D rotating cube
• Plug-and-play detection and aggregation of network storage and DMA's
• Built-in NAS providing centralized backup and whole-house media server
• "Follow Me" Media, each family member's media follows him/her through the house
• Automatically controls all existing av devices, like TV's, Stereo's, etc.)
• Many control options: mobile phone, webpad, pda, phone

Check here for dowload instructions - here
Check here for screenshots and video demo.