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Tasks.org CalDAV Sync

Open-source calendar and task sync client for Android

Calendar & Contacts ★ 2.8k stars Easy setup GPL-3.0

DAVx5 is an open-source CalDAV and CardDAV synchronization client for Android. It connects the native calendar and contacts apps to any self-hosted CalDAV server for two-way sync.

Official siteSource code

Key features

  • CalDAV and CardDAV sync
  • Native Android integration
  • Two-way synchronization
  • Works with any server

Strengths

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Active community (2.8k GitHub stars)
  • Written in Kotlin

Tasks.org CalDAV Sync replaces

Self-hosted Google Calendar Sync alternativesSelf-hosted iCloud sync alternatives

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