Future - Calendar events around the clock
Ring My Stylist - Appointment booking app for independent stylists 💅
GetStream.io - APIs for the development of scalable newsfeeds and chat applications.
Everlasting Wardrobe - The first rental-clothing service for growing children!
Event Calendar App - A simple, easy to manage, way of displaying events
Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.