Mater is described as 'This is a minimal menubar Pomodoro app written in Electron. It simply runs a 25 minute timer, resets for a 5 minute break, and repeats until you stop it' and is a Pomodoro Timer in the Office & Productivity category. There are more than 50 alternatives to Mater for a variety of platforms, including Mac, Online / Web-based, Windows, iPhone and Linux. The best alternative is Gnome Pomodoro, which is both free and Open Source. Other great apps like Mater are Pomodone (Freemium), Tomato Timer (Free), Tasklog (Paid) and Marinara: Pomodoro® Assistant (Free, Open Source).
Pomello turns your Trello cards into Pomodoro® tasks. It stays on top of your windows to help you stay focused on the task at hand.
Pomello helps you stay focused and on track to achieve your day-to-day tasks or life-changing dreams.
Todo-list based on Pomodoro technique.
Supports some additional features for tasks such as pinning tasks, hashtags, priorities. Useful statistics and history features for made pomodoros and tasks are also available.
Free with minor limitations.