Category: Scheduling & Booking
7 European alternatives to Cal.com — GDPR-compliant & EU-hosted.
Cal.com is a scheduling and booking platform (US). Formerly open source; went closed source in April 2026 citing AI security risks. The open-source community fork is maintained separately as Cal.diy (MIT license).
Facts
- Headquarters
- US (US)
- Category
- Scheduling & Booking
- Type
- Product
- GDPR-compliant
- Yes
- Open-source
- No
- Data hosting
- EU
Top EU-based & GDPR-compliant alternatives to Cal.com
Frequently asked questions
What is the best European alternative to Cal.com?
It depends on your use case. Strong EU alternatives to Cal.com include Easy!Appointments, Doodle and Shore. On this page you can compare 7 EU alternatives by jurisdiction, data residency and open-source status.
Are there open-source alternatives to Cal.com?
Yes. Open-source EU alternatives to Cal.com include Easy!Appointments. These keep your data fully under your own control and let you self-host if you want to.
Is Cal.com GDPR-compliant and where is the data hosted?
Cal.com is headquartered in US and hosts data in EU. The vendor states it is GDPR-compliant, but the data falls under non-EU jurisdiction. For full EU data residency the EU alternatives on this page usually offer more certainty.