Tasks.org CalDAV Sync vs Decsync Calendar Sync
A side-by-side comparison of two self-hosted calendar & contacts options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Tasks.org CalDAV Sync
Open-source calendar and task sync client for Android
VS
Decsync Calendar Sync
File-based calendar and contacts synchronization
| Feature | Tasks.org CalDAV Sync | Decsync Calendar Sync |
|---|---|---|
| Category | Calendar & Contacts | Calendar & Contacts |
| License | GPL-3.0 | GPL-3.0 |
| Language | Kotlin | Kotlin |
| Setup difficulty | Easy | Medium |
| Min. RAM | 128 MB | 128 MB |
| Deployment | binary, source | source, binary |
| GitHub stars | ★ 2,784 | ★ 696 |
| First released | 2013 | 2018 |
| Replaces | Google Calendar Sync, iCloud sync | Google Calendar |
Why pick each one
Choose Tasks.org CalDAV Sync if…
- Released under the GPL-3.0 license
- Easy to set up — beginner-friendly
- Active community (2.8k GitHub stars)
- Written in Kotlin
Choose Decsync Calendar Sync if…
- Server-free architecture
- Privacy friendly
Frequently asked questions
Is Tasks.org CalDAV Sync or Decsync Calendar Sync better?
Tasks.org CalDAV Sync is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Decsync Calendar Sync if its specific feature set fits your needs better.
Are Tasks.org CalDAV Sync and Decsync Calendar Sync free and open-source?
Yes. Tasks.org CalDAV Sync is licensed under GPL-3.0 and Decsync Calendar Sync under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Tasks.org CalDAV Sync and Decsync Calendar Sync with Docker?
Tasks.org CalDAV Sync: check the project docs for container support. Decsync Calendar Sync: check the project docs for container support.
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