#Calendars

bitfireAT

davx5-ose

DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it.

davedelong

time

Robust and type-safe date and time calculations for Swift

workalendar

workalendar

Worldwide holidays and workdays computational toolkit.

fmeringdal

nettu-scheduler

A self-hosted calendar and scheduler server.

wuningxi

Timetrack

Timetrack - a simple command line program for analysing your own calendar data.