Domoticz is a home automation system that lets you monitor and configure various devices like lights, switches, various sensors/meters like temperature, rain, wind, UV, gas, water and much more.
It's easy to set-up, easy to use and easy to configure and adapt. The user-interface is a scalable HTML5 web frontend, and is automatically adapted for Desktop and Mobile Devices. There's also an Android app, but notifications/alerts can be sent to any mobile device using a variety of protocols.
This is an unofficial release and is not endorsed by the Domoticz project.