BeeBEEP 5.8.4 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. This free software for Mac OS X was originally designed by Marco Mastroddi. BeeBEEP for Mac is included in Communication Tools.
From the developer:
BeeBEEP is an open-source secure (encryption based on Rijndael Algorithm, AES) peer-to-peer LAN messenger for Mac OS. You can talk and send files to all your friends inside a local area network such as an office, home or internet cafe without a server.
You may want to check out more Mac applications, such as SMS Mac Scripting, sipgate or TRx, which might be similar to BeeBEEP.
Instant messaging