Nextcloud Tasks vs OpenSlides
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?
Nextcloud Tasks
CalDAV task list app for Nextcloud
VS
OpenSlides
Presentation and assembly system for managing and projecting agenda,
| Feature | Nextcloud Tasks | OpenSlides |
|---|---|---|
| Category | Calendar & Contacts | Calendar & Contacts |
| License | AGPL-3.0 | MIT |
| Language | JavaScript | Shell |
| Setup difficulty | Easy | Medium |
| Min. RAM | 512 MB | 512 MB |
| Deployment | source | docker |
| GitHub stars | ★ 701 | ★ 629 |
| First released | 2016 | 2026 |
| Replaces | Google Tasks, Todoist | — |
Why pick each one
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
Choose OpenSlides if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Written in Shell
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is Nextcloud Tasks or OpenSlides better?
Nextcloud Tasks is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider OpenSlides if its specific feature set fits your needs better.
Are Nextcloud Tasks and OpenSlides free and open-source?
Yes. Nextcloud Tasks is licensed under AGPL-3.0 and OpenSlides under MIT. Both can be self-hosted at no software cost.
Can I run Nextcloud Tasks and OpenSlides with Docker?
Nextcloud Tasks: check the project docs for container support. OpenSlides: yes.