Shion It is a fully-featured, free home automation program. Shion allows you to monitor and control a variety X10 and INSTEON devices right from your Mac computer. Snapshots are a quick way to configure and manipulate multiple devices from Shion.app. Shion's Triggers allow Shion to monitor and responds to changes in its local environment, such as temperature changes, sunrise and sunset, and other factors.
Shion is free and can be used with the Shion Online subscription service. This will allow you to monitor and control the environment from anywhere in the world.