SHSelfHostIndex

Cal.diy vs Tasks.org Server alt nono Calendarserver

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?
CA Cal.diy Online appointment scheduling system VS TA Tasks.org Server alt nono Calendarserver Standards-compliant calendar and scheduling server
FeatureCal.diyTasks.org Server alt nono Calendarserver
CategoryCalendar & ContactsCalendar & Contacts
LicenseMITApache-2.0
LanguageTypeScriptPython
Setup difficultyMediumHard
Min. RAM512 MB512 MB
Deploymentbare-metalbare-metal, source
GitHub stars★ 47,334★ 506
First released20262007
Replaces—Google Calendar, Exchange

Why pick each one

Choose Cal.diy if…

  • Released under the MIT license
  • Mature project with 47.3k GitHub stars
  • Written in TypeScript
  • Lightweight — runs in 512 MB RAM
Cal.diy details

Choose Tasks.org Server alt nono Calendarserver if…

  • Released under the Apache-2.0 license
  • Written in Python
  • Lightweight — runs in 512 MB RAM
Tasks.org Server alt nono Calendarserver details

Frequently asked questions

Is Cal.diy or Tasks.org Server alt nono Calendarserver better?

Cal.diy is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Tasks.org Server alt nono Calendarserver if its specific feature set fits your needs better.

Are Cal.diy and Tasks.org Server alt nono Calendarserver free and open-source?

Yes. Cal.diy is licensed under MIT and Tasks.org Server alt nono Calendarserver under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Cal.diy and Tasks.org Server alt nono Calendarserver with Docker?

Cal.diy: check the project docs for container support. Tasks.org Server alt nono Calendarserver: check the project docs for container support.

Related comparisons