Radicale
Simple calendar and contact server with extremely low administrative overhead.
Baïkal
Lightweight CalDAV and CardDAV server based on sabre/dav.
SabreDAV
Open source CardDAV, CalDAV, and WebDAV framework and server.
Keeper.sh
Calendar syncing tool that pulls and pushes events between calendar sources and destinations via iCal/ICS o…
DavMail
POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an E…
Davis
A simple, dockerizable and fully translatable admin interface for sabre/dav based on Symfony 5 and Bootstra…
Manage My Damn Life
Manage my Damn Life (MMDL) is a self-hosted front end for managing your CalDAV tasks and calendars.
Xandikos
Open source CardDAV and CalDAV server with minimal administrative overhead, backed by a Git repository.
DAViCal
Server for calendar sharing (CalDAV) that uses a PostgreSQL database as a data store.