1. OpenSourceAutomation: http://www.opensourceautomation.com
2. OpenRemote: http://www.openremote.org/
3. OpenDomo: http://en.opendomo.org/
4. MisterHouse: http://misterhouse.sourceforge.net/
5. DomotiGa: http://www.domotiga.nl/
6. Freedomotic: http://www.freedomotic.com/
7. Domogik: http://www.domogik.org/en/
8. domoticz: http://www.domoticz.com/
9. openhab: https://code.google.com/p/openhab/
10. Nodo: http://www.nodo-domotica.nl/
11. FHEM: http://fhem.de/
12. Ago Control: http://www.agocontrol.com/
13. Pytomation: http://www.pytomation.com/
14. Housecream: http://housecream.org/
15. Homegenie: http://www.homegenie.it/
16. Wiseflat: http://wiseflat.com/
17. QW Home Automation: http://qwhomeautomation.com/
18. Homidom: http://www.homidom.com/
19. zVirtualScenes: https://code.google.com/p/zvirtualscenes/
20. rasp485berry: http://rasp485berry.wordpress.com/
21. PiDome: http://pidome.wordpress.com/
22. PiHome: http://pihome.harkemedia.de/
23. pilight: http://www.pilight.org/
Does anyone has any preferences? Have you used one? What's your experience?