Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.
Mixmax Calendar - The fastest way to schedule meetings with anyone, anywhere
Button for Google Calendar™ - See your daily schedule and join meetings in one-click.
Calendly for Chrome - Schedule meetings without leaving your inbox
Calendarist - Time blocking companion for Google Calendar
Polymail Calendar - Schedule meetings instantly over email