You can download MonoBrick Tunnel 1.4 for Mac from our application library for free. This free Mac application is a product of MonoBrick.DK. The software lies within System Tools, more precisely Remote Computing.
From the developer:
The MonoBrick Tunnel makes it possible to communicate with the LEGO Mindstorms NXT Brick over a Wi-Fi or Internet connection using MonoBrick or the MonoBrick Remote.
You may want to check out more software for Mac, such as Tunnel Run, VMware Tunnel or SSH Tunnel Manager, which might be related to MonoBrick Tunnel.