Conrad Connect!

Put the internet to work for you by creating tasks that fit this simple structure: "if this then that". Think of all the things you could do if you were able to define any task as: when something happens (this) then do something else (that). An example trigger: "if I'm tagged in a photo on Facebook" or "if I tweet on Twitter." "then send me a text message" or "then create a status message on Facebook".

openHAB is a Java-based open-source home automation platform that integrates and combines a vast range of different smart home systems and technologies into one single solution.On top of the unified abstraction layer all connected devices are available for the overarching automation rule engines and different user interfaces.

ioBroker is an integration platform for the Internet of Things, focused on Building Automation, Smart Metering, Ambient Assisted Living, Process Automation, Visualization and Data Logging. It aims to be a possible replacement or extension for software like f.e. fhem, OpenHAB or the thing system by the end of 2015. ioBroker is the successor of CCU.IO, a project quite popular in the german HomeMatic community.

Home automation framework that runs on node.js.

FHEM (TM) is a GPL'd perl server for house automation. It is used to automate some common tasks in the household like switching lamps / shutters / heating / etc. and to log events like temperature / humidity / power consumption.

IP-Symcon is the innovative centre of your entire building automation!