Cal.com
Open-source scheduling platform founded by German entrepreneur Peer Richelsen. Self-hostable Calendly alternative with deep integrations. Incorporated in California despite European roots.
Quick facts
Headquarters San Francisco, United States
Company Cal.com Inc.
Founded 2021
Ownership VC-backed
Hosting 🇺🇸 United States
Infrastructure Amazon AWS
Data jurisdiction US
Open source Full
GDPR Compliant
Pricing Open-core · from Free
Free tier Yes
Platforms Web, Self-hosted
Languages
ENDEFRESPTIT
37 · Not Very European
Start scheduling free Why does it score 37?
Legal jurisdiction
HQ outside Europe, European origins
10/30Ownership & control
VC-backed, no non-EU parent
15/25Data sovereignty
US cloud, non-EU hosted (−5 US jurisdiction)
0/30Accountability & trust
Fully open source + GDPR
12/15EuroPoints total
37/100
See how they compare
Cal.com
DoodleEuroPoints
Not Very European
Mostly European
Legal jurisdiction
Ownership & control
Data sovereignty
Accountability & trust
Independence bonus
Headquarters
San Francisco, United States
Zürich, Switzerland
Founded
2021
2007
—
Open source
Full
No
—
Infrastructure
Amazon AWS
Own infrastructure
—
GDPR
Free tier
Pricing
Open-core · from Free
Freemium · from Free
—
Platforms
Web, Self-hosted
Web, iOS, Android
—
Languages
en, de, fr, es, pt, it
en, de, fr, it, es
—
What does it replace?
Calendly 
Acuity Scheduling More European Scheduling & booking alternatives
#1
Doodle
73 · Mostly EuropeanSwiss scheduling tool that makes it easy to find a meeting time that works for everyone, using simple group polls and booking pages. No account required for participants. Founded in Zürich in 2007 and owned by Swiss Post, a state-backed organisation fully owned by the Swiss Confederation, keeping your scheduling data in Swiss hands.