Motion Firefox - All-in-one time management tool in Firefox
Button for Google Calendar™ - See your daily schedule and join meetings in one-click.
FocusList - Daily planner & focus timer based on timeboxing and pomodoro
Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.
Teeny Breaks - Mindfulness tips to make the most of your breaks 🧠💖
Add to Calendar Link Generator - Create buttons for Google Calendar, Office 365 and Apple Cal