You could have downloaded chronoTrack 2.0 for Mac from our software library for free. This free Mac app was originally produced by NimblePoint. The program belongs to Developer Tools.
From the developer:
chronoTrack is a timer specifically developed for individuals like contractors who need to keep time on their hours worked. Track many projects simultaneously with multiple labeled timers.
You may want to check out more Mac applications, such as Objective Basic, Pleinpot or PLCEdit, which might be related to chronoTrack.