Cal.diy vs Meeting scheduler nono Booked
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?
Cal.diy
Online appointment scheduling system
VS
Meeting scheduler nono Booked
Resource scheduling and reservation system
| Feature | Cal.diy | Meeting scheduler nono Booked |
|---|---|---|
| Category | Calendar & Contacts | Calendar & Contacts |
| License | MIT | GPL-3.0 |
| Language | TypeScript | PHP |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | bare-metal | bare-metal, docker |
| GitHub stars | ★ 47,334 | ★ 779 |
| First released | 2026 | 2011 |
| Replaces | — | Skedda, Acuity Scheduling |
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
Choose Meeting scheduler nono Booked if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Written in PHP
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is Cal.diy or Meeting scheduler nono Booked better?
Neither is universally better. Cal.diy has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Cal.diy and Meeting scheduler nono Booked free and open-source?
Yes. Cal.diy is licensed under MIT and Meeting scheduler nono Booked under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Cal.diy and Meeting scheduler nono Booked with Docker?
Cal.diy: check the project docs for container support. Meeting scheduler nono Booked: yes.
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