Claper vs Nextcloud Tasks
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?
Claper
The ultimate tool to interact with your audience (alternative to
VS
Nextcloud Tasks
CalDAV task list app for Nextcloud
| Feature | Claper | Nextcloud Tasks |
|---|---|---|
| Category | Calendar & Contacts | Calendar & Contacts |
| License | GPL-3.0 | AGPL-3.0 |
| Language | Elixir | JavaScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 512 MB |
| Deployment | docker | source |
| GitHub stars | ★ 773 | ★ 701 |
| First released | 2026 | 2016 |
| Replaces | — | Google Tasks, Todoist |
Why pick each one
Choose Claper if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Written in Elixir
- Lightweight — runs in 512 MB RAM
Choose Nextcloud Tasks if…
- Released under the AGPL-3.0 license
- Easy to set up — beginner-friendly
- Written in JavaScript
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is Claper or Nextcloud Tasks better?
Neither is universally better. Claper has the larger community, while Nextcloud Tasks is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Claper and Nextcloud Tasks free and open-source?
Yes. Claper is licensed under GPL-3.0 and Nextcloud Tasks under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Claper and Nextcloud Tasks with Docker?
Claper: yes. Nextcloud Tasks: check the project docs for container support.