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Cal.com
By Cal.com, Inc. · cal.com
3,9 Good
Alternative to Calendly with an open codebase: the community edition Cal.diy (MIT license) can be self-hosted for free but lacks enterprise features and is recommended by the vendor only for personal use. The cloud version runs by default in the USA, but EU hosting is offered via Cal.eu (waitlist). The company behind it is American.
Best for: Tech-savvy companies that want open codebase, API-first and eventually EU data storage via Cal.eu
Pros
- MIT-licensed community edition (Cal.diy) that can be self-hosted for free in your own Swedish or EU-based environment
- EU data storage via Cal.eu where all data is stored within the EU, without Enterprise requirements
- Generous free plan for individual users
- States ISO 27001, SOC 2 and HIPAA compliance
Cons
- American company, which means the cloud service is subject to US legislation
- The standard cloud runs on American infrastructure and Cal.eu is still in early launch via waitlist
- Community edition lacks Teams, Organizations, Workflows and SSO and is not recommended for production; commercial self-hosting requires enterprise agreement
- No Swedish support and limited Swedish localization
Quick facts
| Price | Freemium |
|---|---|
| Origin | Outside EU (Cal.com, Inc.) |
| Categories | Booking & scheduling |
| EU data storage | Yes |
| GDPR terms (DPA) | Yes |
Certifications
ISO 27001SOC 2
Sources & evidence
Claims about data storage, jurisdiction and compliance should be verifiable. Here is the evidence behind the statements above:
- Cal.com – Compliance (ISO 27001, SOC 2 and HIPAA) →
- Cal.com – Privacy policy (American company, processing in the USA) →
- Cal.eu – EU hosting (all data stored within the EU, launched via waitlist without Enterprise requirements) →
- Cal.com – Pricing (free plan for individual users, choice of US or EU hosting) →
- Cal.com – GitHub repo Cal.diy (MIT-licensed community edition without enterprise features, recommended only for personal non-production use) →