You can download Kensington TrackballWorks 1.3 for Mac from our software library for free. The latest setup file that can be downloaded is 2.8 MB in size. The software is included in Developer Tools. This Mac download was scanned by our built-in antivirus and was rated as virus free. This free software for Mac OS X was originally created by Kensington Computer Products Group.
From the developer:
TrackballWorks™ allows you to program your Trackball to behave how you want it to by customizing the functions assigned to each Trackball button.
You may want to check out more software for Mac, such as Pleinpot, PLCEdit or Ch, which might be related to Kensington TrackballWorks.