Calendar & Contacts
10 applications, ranked by GitHub stars in the dataset.
No applications match those filters.
Radicale
Simple calendar and contact server with extremely low administrative overhead.
Replaces Apple Calendar Google Calendar Google Contacts
5,176 stars Active
2 Nov 2026
Baïkal
Lightweight CalDAV and CardDAV server based on sabre/dav.
3,360 stars Active
18 Oct 2026
SabreDAV
CardDAV, CalDAV, and WebDAV framework and server.
1,726 stars Active
1 Nov 2026
Keeper.sh
Calendar syncing tool that pulls and pushes events between calendar sources and destinations via iCal/ICS or OAuth, with support for anonymized busy/free events.
1,431 stars Active
2 Nov 2026
DavMail
POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an Exchange server, even from the internet or behind a firewall through Outlook Web Access.
774 stars Active
2 Nov 2026
Davis
Simple, dockerizable and fully translatable admin interface for sabre/dav based on Symfony 5 and Bootstrap 4, largely inspired by Baïkal.
762 stars Active
28 Oct 2026
Manage My Damn Life
Manage my Damn Life (MMDL) is a front end for managing your CalDAV tasks and calendars.
644 stars Active
13 Sep 2026
Xandikos
CardDAV and CalDAV server with minimal administrative overhead, backed by a Git repository.
613 stars Active
2 Nov 2026
dayGLANCE
Day planner with drag-and-drop time blocking, inbox, recurring tasks, habits, routines, goals, projects and Pomodoro focus mode, plus iCal and CalDAV calendar sync. Data stays in the browser, with optional WebDAV or GLANCEvault sync.
181 stars Active
2 Nov 2026
DAViCal
Server for calendar sharing (CalDAV) that uses a PostgreSQL database as a data store.
Replaces Apple Calendar Google Calendar Google Contacts
112 stars Active
27 May 2026