Klokki for Mac - Rule-based automatic time-tracking
Time Tracking for Freelancers - A simple, fully integrated time tracker for freelancers
Hours - Boosting productivity through live, virtual co-working.
Time 2 - Stay focused and crush procrastination
Futuramo Time Tracker - Futuramo Time Tracker is a time tracking solutions designed for freelancers and teams.
Forest App - Forest is an app that helps you stay focused on the important things in life.