Session - Complete photo session booking platform
Cron - Cron Calendar.
Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
zcal - zcal is the fastest way to schedule every meeting for Free and make it personal.
Go Fucking Work - Website blocker so you can get back to your fucking work
Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.