Downloading Shion 3.1 for Mac from our website was free. This free Mac app is a product of CASIS LLC. Shion for Mac is categorized as System Tools.
From the developer:
Shion is a free, full-featured home automation application for the Mac (10.4+). Using Shion.app, you can control and monitor a variety of X10 and INSTEON devices from the convenience of your Mac computer. Shion.app also includes Snapshots, an easy way to configure & manipulate multiple devices with a single click. Shion.
You may want to check out more software for Mac, such as Bulldog, Mood Mouse or Localghost, which might be related to Shion.