Bitpost 0.9.8.2 for Mac can be downloaded from our website for free. This free Mac app was originally created by Voluntary.net. Bitpost for Mac is included in Communication Tools.
From the developer:
Bitpost is a user friendly Bitmessage client for OS X.
You may want to check out more software for Mac, such as MySpaceIM, Instant Messaging or JabberFoX, which might be similar to Bitpost.