Todo - Todo is a to-do and task list app.
Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Todorant - Tricks yourself into craving completing tasks
Ambiently - White Noise to help you concentrate, focus & relax
Pomodus - A Pomodoro app that is integrated with Slack so that you can focus without Slack or your colleagues interrupting you. It silences your notifications, let's colleagues know that you're busy & when you'll be done. View stats & export your history.
wnr - Better than pomodoro, this timer app balances work and rest.