Mater is a very simple menubar Pomodoro app. It's written in Electron and there are binaries for Mac, Windows, and Linux.
I've used a bunch of Pomodoro apps in the past and never found found one that hit the sweet spot for simplicity and nice design. When I found myself wanting to learn Electron, I decided to scratch both itches at the same time!
Inspired by a Wait But Why blog post, 144blocks is a fun, simple way to visualize where your time is going every day! By breaking down the day into 10 minute blocks of time, you can easily see whether your time is being spent on work, commuting, or doing something you love. Customize and create your own activities to fill your 144 blocks!
Cherry Tomato is the native Windows 10 version of Cherry Tomato for Chrome. The goal is providing best Pomodoro®-like experience to Windows users.
Pomodoro Tasks is an easy-to-use todo and pomodoro timer app with features of task management per project, built-in pomodoro timer, data sync over devices, offline capability, and mobile support.
This app is available totally for free and also open source. When you have any issues using it, please file it on its GitHub page. Thank you!