Browse free open source Calendar software and projects for Mac below. Use the toggles on the left to filter open source Calendar software by OS, license, language, programming language, and project status.
An enterprise-class CRM and more!
Full-sized drag & drop event calendar
Take your office and CRM into the cloud!
A datepicker for twitter bootstrap
WeekToDo is a Free and Open Source Minimalist Weekly Planner
jQuery date and time input picker
gcal/outlook like calendar component
Zentyal is a Linux Small Business Server
A date/time picker widget
A Material design back port of Android's CalendarView
Date Picker Calendar extension for OpenOffice Calc
professional CRM and groupware service, ready for the cloud
Time-Tracking for companies and teams with up to 250+ users