OnTheAir Switch 2.6 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application lies within Audio & Video Tools, more precisely Editors & Converters.
This Mac app is an intellectual property of Softron Media. The following version: 2.1 is the most frequently downloaded one by the program users. Ontheair_switch.zip is the frequent file name to indicate this app's installer. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
OnTheAir Switch can control many matrix video switchers through RS232 or Ethernet. It can be used as a standalone application or integrated with OnTheAir Video, MovieRecorder or OnTheAir Node. The application is AppleScriptable allowing it to be controlled from any application (even applications from third parties).
You may want to check out more software for Mac, such as Switcher Cast, Switcher Media Manager or OnTheAir Manager, which might be related to OnTheAir Switch.
Editors & Converters