Downloading Zone 2.0.2 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus.
The application lies within Productivity Tools, more precisely Timekeeping. You can launch Zone on Mac OS X 10.8 or later. This Mac app is an intellectual property of Vojto Rinik. The most popular versions among Zone for Mac users are 2.0, 1.2 and 1.1. This application's bundle is identified as com.codingwithlove.zone.
From the developer:
Zone is a menubar time tracker.
Projects: Add projects, use colors.
Reports: Select days, see a graph and a table.
Export: Select projects, time range and get a CSV.
Break timer: Whenever you stop tracking, you can set a break timer that will remind you to get back to work.
You may want to check out more Mac applications, such as Breathing Zone - Relaxing Breathing Exercises, Mine Zone or d-d Zone, which might be similar to Zone.