EteSync DAV vs ETAR
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?
EteSync DAV
Local CalDAV bridge for EteSync encrypted accounts
VS
ETAR
Open-source calendar server companion for events
| Feature | EteSync DAV | ETAR |
|---|---|---|
| Category | Calendar & Contacts | Calendar & Contacts |
| License | GPL-3.0 | GPL-3.0 |
| Language | Python | Java |
| Setup difficulty | Medium | Medium |
| Min. RAM | 128 MB | 256 MB |
| Deployment | binary, source | docker, source |
| GitHub stars | ★ 333 | ★ 2,565 |
| First released | 2018 | 2016 |
| Replaces | iCloud Calendar | Google Calendar |
Why pick each one
Choose EteSync DAV if…
- Released under the GPL-3.0 license
- Written in Python
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is EteSync DAV or ETAR better?
Neither is universally better. ETAR has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are EteSync DAV and ETAR free and open-source?
Yes. EteSync DAV is licensed under GPL-3.0 and ETAR under GPL-3.0. Both can be self-hosted at no software cost.
Can I run EteSync DAV and ETAR with Docker?
EteSync DAV: check the project docs for container support. ETAR: yes.