Motion Firefox - All-in-one time management tool in Firefox
Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.
FocusList - Daily planner & focus timer based on timeboxing and pomodoro
Clean Google Calendar - Makes Google Calendar look nicer & launches as a desktop app
Teeny Breaks - Mindfulness tips to make the most of your breaks 🧠💖
Plan - Plan is a better way to organize.