Alf.io 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?
| Feature | Alf.io | Nextcloud Tasks |
|---|---|---|
| Category | Calendar & Contacts | Calendar & Contacts |
| License | GPL-3.0 | AGPL-3.0 |
| Language | Java | JavaScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 512 MB |
| Deployment | bare-metal | source |
| GitHub stars | ★ 1,601 | ★ 701 |
| First released | 2025 | 2016 |
| Replaces | — | Google Tasks, Todoist |
Why pick each one
Choose Alf.io if…
- Released under the GPL-3.0 license
- Active community (1.6k GitHub stars)
- Written in Java
- 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 Alf.io or Nextcloud Tasks better?
Neither is universally better. Alf.io 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 Alf.io and Nextcloud Tasks free and open-source?
Yes. Alf.io 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 Alf.io and Nextcloud Tasks with Docker?
Alf.io: check the project docs for container support. Nextcloud Tasks: check the project docs for container support.