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📅
Calendar & Contacts
Replaces: Google Calendar, iCloud
Free calendar and contact management with open standards like CalDAV and CardDAV. Independent alternatives to Google Calendar and iCloud.
🛡️ 8 Open Source Tools
Tools
Nextcloud Calendar
Integrated calendar management within the Nextcloud platform
↳ Google Calendar iCloud Calendar
AGPL-3.0 ● Easy
Radicale
Lightweight CalDAV and CardDAV server
↳ Google Calendar iCloud Calendar
GPL-3.0 ●● Medium
Baikal
Lean CalDAV and CardDAV server with web interface
↳ Google Calendar iCloud Calendar
GPL-3.0 ● Easy
EteSync
End-to-end encrypted calendar and contact synchronization
↳ Google Calendar iCloud Calendar
AGPL-3.0 ●● Medium
Cal.diy
Scheduling infrastructure for absolutely everyone.
↳ Google Calendar iCloud
MIT ● Easy
Calendar
A simple calendar with events, customizable widgets and no ads.
↳ Google Calendar iCloud
GPL-3.0 ● Easy
Contacts
Easy and quick contact management with no ads, handles groups and favorites too.
↳ Google Calendar iCloud
GPL-3.0 ● Easy
Manage My Damn Life Nextjs
Manage My Damn Life (MMDL) is a self-hosted front end for managing your CalDAV tasks and calendars.
↳ Google Calendar iCloud
GPL-3.0 ●● Medium