calcurse 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?
FeaturecalcurseNextcloud Tasks
CategoryCalendar & ContactsCalendar & Contacts
LicenseBSD-2-ClauseAGPL-3.0
LanguageCJavaScript
Setup difficultyEasyEasy
Min. RAM16 MB512 MB
Deploymentbinary, sourcesource
GitHub stars★ 1,301★ 701
First released20042016
ReplacesGoogle CalendarGoogle Tasks, Todoist

Why pick each one

Choose calcurse if…

  • Released under the BSD-2-Clause license
  • Easy to set up — beginner-friendly
  • Active community (1.3k GitHub stars)
  • Written in C
calcurse details

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
Nextcloud Tasks details

Frequently asked questions

Is calcurse or Nextcloud Tasks better?

Neither is universally better. calcurse has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are calcurse and Nextcloud Tasks free and open-source?

Yes. calcurse is licensed under BSD-2-Clause and Nextcloud Tasks under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run calcurse and Nextcloud Tasks with Docker?

calcurse: check the project docs for container support. Nextcloud Tasks: check the project docs for container support.

Related comparisons