Cal.diy vs Framadate

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?
FeatureCal.diyFramadate
Deploy effortRead-the-docs projectUnder-an-hour setup
CategoryCalendar & ContactsCalendar & Contacts
LicenseMITCECILL-B
LanguageTypeScriptPHP
Setup difficultyMediumEasy
Min. RAM512 MB128 MB
Deploymentbare-metalbare-metal, docker
GitHub stars★ 48,631★ 600
First releasedNone2011
ReplacesCalendly, DoodleDoodle

What are Cal.diy and Framadate?

Cal.diy

Scheduling infrastructure for absolutely everyone.

  • Self-hosted appointment scheduling
  • Calendar and video integrations
  • Team and round-robin booking
  • Webhooks and API

Read the full Cal.diy guide →

Framadate

Framadate is an online service for planning appointments or making decisions quickly and easily. Developed by Framasoft, it lets groups vote on dates and options without registration.

  • Date and decision polls
  • No account required
  • Part of the Framasoft suite

Cal.diy vs Framadate: key differences

Cal.diy is written in TypeScript, while Framadate is built with PHP. Licensing differs — MIT for Cal.diy versus CECILL-B for Framadate. Framadate is the lighter option, starting around 128 MB of RAM against 512 MB for Cal.diy. Cal.diy has the considerably larger community, at 48,631 GitHub stars versus 600. Framadate lists first-class Docker deployment; Cal.diy does not.

Why pick each one

Choose Cal.diy if…

  • Permissive MIT license
  • Flexible scheduling workflows
  • Multi-user support

Watch out for

  • Setup can be involved
  • Younger than established rivals
Cal.diy details

Choose Framadate if…

  • Released under the CECILL-B license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Written in PHP
Framadate details

Frequently asked questions

Is Cal.diy or Framadate better?

Neither is universally better. Cal.diy has the larger community, while Framadate is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Cal.diy and Framadate free and open-source?

Yes. Cal.diy is licensed under MIT and Framadate under CECILL-B. Both can be self-hosted at no software cost.

Can I run Cal.diy and Framadate with Docker?

Cal.diy: check the project docs for container support. Framadate: yes.

Which is lighter on resources, Cal.diy or Framadate?

Framadate has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Cal.diy. Real-world usage depends on library size, user count, and enabled features.

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