"Open Source and comes with a very modular (OSGi-based) architecture, so that it is easy to extend or customize. By connecting it to e.g. your KNX installation, you can of course do the mainstream things like switching lights, sockets and rollershutters. openHAB offers you two different web interfaces as well as native Android and iOS clients for doing so.
But everybody who lives in a Smart Home knows that Home Automation is not so much about controlling things, but rather about monitoring states and handling events. And that is where openHAB shows its strengh – let me give you a few examples:"