The design and implementation of a "smart" building is not a simple task, especially because the sector is on track to develop and continuously circulate new systems and new applications that only a specialist, fully conversant with the philosophy of automation and technology may know. A smart home can be as complex or as simple as we want. The basic idea behind the smart home and building automation in general is further customize their devices in the home owner's needs so that the smart home can function as a safe, comfortable and affordable accommodation. Selected applications that are currently most active and most comprehensive in terms of their function and characteristics they provide. Carry out a brief report on each application and its features, and representative snapshots from the premises.