Interaction Messenger 1.2 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
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. The application belongs to Communication Tools. This free software for Mac OS X is a product of HeyWire, Inc.
From the developer:
Interaction Messenger is an SMS service for enterprises. You can use this app to connect to the service and send unlimited SMS between messenger clients available for multiple platforms. You can send and receive text, picture, and voice clips to and from multiple Interaction Messenger clients.
You may want to check out more software for Mac, such as Palringo Instant Messenger, Go for Messenger: Voice & Text Message Chat or Enterprise Messenger, which might be similar to Interaction Messenger.
Instant messaging
Instant messaging