IFTTT

If This Then That (commonly known as IFTTT, ) is a service that allows a user to program a response to events in the world.
IFTTT has partnerships with different service providers that supply event notifications to IFTTT and execute commands that implement the responses. Some event and command interfaces are simply public APIs.The programs, called applets, are simple and created graphically.
User can create programs and otherwise control IFTTT with a web interface or iOS or Android application.