Radicale

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Calendar & Contacts

Simple calendar and contact server with extremely low administrative overhead.

Baïkal

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Calendar & Contacts

Lightweight CalDAV and CardDAV server based on sabre/dav.

SabreDAV

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Calendar & Contacts

Open source CardDAV, CalDAV, and WebDAV framework and server.

Keeper.sh

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Calendar syncing tool that pulls and pushes events between calendar sources and destinations via iCal/ICS o…

DavMail

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Calendar & Contacts

POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an E…

Davis

712

Calendar & Contacts

A simple, dockerizable and fully translatable admin interface for sabre/dav based on Symfony 5 and Bootstra…

Manage My Damn Life

601

Calendar & Contacts

Manage my Damn Life (MMDL) is a self-hosted front end for managing your CalDAV tasks and calendars.

Xandikos

577

Calendar & Contacts

Open source CardDAV and CalDAV server with minimal administrative overhead, backed by a Git repository.