Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Effortless - Stay focused and beat procrastination on your Mac.
Clockify - Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.
Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Cattr - Cattr is a free open-source self-hosted time tracker with desktop clients for windows, mac, linux.
Forest App - Forest is an app that helps you stay focused on the important things in life.