Cron - Cron Calendar.
Deepnote - A collaboration platform for data scientists
zcal - zcal is the fastest way to schedule every meeting for Free and make it personal.
Gyana - Intuitive easy-to-use report and dashboard tool to stop wasting time on repetitive and tedious tasks.
Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.
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.