Switchur - An IFTTT extension to enable multiple triggers and actions.
ioBroker - flexible and modular application for the IoT and Smarthome
SEQUEmatic - SEQUEmatic lets you build sequences to link together your various smart devices.
Home - Securely control all your HomeKit accessories from your favorite iOS device.
Apilio - Automate actions in your smart home with almost any connected device.
Domoticz - Domoticz is a lightweight Home Automation System