Timepiece is described as 'Minimalistic mac timer for pomodorro technique and focused deep work' and is a Pomodoro Timer in the Office & Productivity category. There are more than 50 alternatives to Timepiece 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 Timepiece are Pomodone (Freemium), Tasklog (Paid), Tomato Timer (Free) and Marinara: Pomodoro® Assistant (Free, Open Source).
Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service. Don't create any tasks! Just connect your favorite task management service and start using Pomodone just in 3 minutes.
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.
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.