Islet is described as 'Helps you focus and get things done - your way. Whether you're studying, working, or building a new habit, Islet provides the tools you need to stay on track without the overwhelm' and is a Pomodoro Timer in the office & productivity category. There are more than 10 alternatives to Islet for a variety of platforms, including Mac, Windows, Android, Google Chrome and Mozilla Firefox apps. The best Islet alternative is Mindful : Focus & Screen Time, which is both free and Open Source. Other great apps like Islet are LeechBlock, DigiPaws, Cold Turkey and SelfControl.