Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.
Habit List - Create good habits and break bad ones with the app that keeps you focused.
Button for Google Calendar™ - See your daily schedule and join meetings in one-click.
Momentum - Agile goal and performance management
Calendarist - Time blocking companion for Google Calendar
Productivity - Personal time tracker for habits and goals