khal vs Tasks.org CalDAV 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?
khal
Command-line calendar built on CalDAV
VS
Tasks.org CalDAV Sync
Open-source calendar and task sync client for Android
| Feature | khal | Tasks.org CalDAV Sync |
|---|---|---|
| Category | Calendar & Contacts | Calendar & Contacts |
| License | MIT | GPL-3.0 |
| Language | Python | Kotlin |
| Setup difficulty | Medium | Easy |
| Min. RAM | 64 MB | 128 MB |
| Deployment | binary, source | binary, source |
| GitHub stars | ★ 3,039 | ★ 2,784 |
| First released | 2013 | 2013 |
| Replaces | Google Calendar | Google Calendar Sync, iCloud sync |
Why pick each one
Choose khal if…
- Released under the MIT license
- Active community (3k GitHub stars)
- Written in Python
- Tiny footprint — runs in 64 MB RAM
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
Frequently asked questions
Is khal or Tasks.org CalDAV Sync better?
Neither is universally better. khal has the larger community, while Tasks.org CalDAV Sync is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are khal and Tasks.org CalDAV Sync free and open-source?
Yes. khal is licensed under MIT and Tasks.org CalDAV Sync under GPL-3.0. Both can be self-hosted at no software cost.
Can I run khal and Tasks.org CalDAV Sync with Docker?
khal: check the project docs for container support. Tasks.org CalDAV Sync: check the project docs for container support.