Lightning Calendar - Organize your life — it’s about time!

Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.

Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

Coffee Chats - Beautiful one-page sites that sync to your calendar to easily schedule chats. Plus, Coffee Chats connects with Stripe so you can easily charge for chats turning Coffee Chats into your all-in-one site, booking, and payments solution.

GMinder - GMinder is an open source Windows System Tray app that pops up to remind you about Google Calendar events.

TidyCal - Optimize your schedule with custom booking pages and calendar integrations