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Disclaimer: Star Stack provides information about European technology services for educational purposes only. Service listings, sovereignty assessments, and recommendations do not constitute legal, financial, or professional advice. We encourage you to verify all information independently and consult appropriate professionals before making technology decisions. Star Stack is not affiliated with any listed services unless explicitly stated.

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Cal.com | Star Stack

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Cal.com

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Cal.com

Name: Cal.com
Author: Star Stack

Open source scheduling platform for individuals and teams

Backend-as-a-Service (BaaS)

Visit Website GitHub 49.0K

About

Cal.com is an open source scheduling platform that connects users' calendars to manage meeting availability. It allows individuals and organizations to self-host the software or use the cloud version for custom booking links.

Resources

No migration guide is currently listed for this service.

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Sovereignty Score

Recorded assessment version: jurisdiction-ownership-2026-10-04

out of 100

Data completeness50% (Partial)

Jurisdictional(56%)

Significant foreign legal exposure risk

Jurisdiction: United States (EU adequacy decision)
No foreign parent provider
Five Eyes intelligence alliance exposure
US CLOUD Act applies (US can compel data access regardless of storage location)

Ownership(44%)

Strong EU ownership and control

Bootstrapped (self-funded)
Funding: Seven Seven Six, Obvious Ventures, OSS Capital
Series A funding
Low acquisition risk (bootstrapped, no investor pressure) (No VC exit timeline, founders retain full control)

More dimensions coming soon

GovernanceComing soon

PortabilityComing soon

LicenseComing soon

CommunityComing soon

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Provider

Cal.com, Inc.

Quick Facts

Legal jurisdiction: United States
Headquarters: United States
Ownership: Bootstrapped
License: AGPL-3.0
Deployment: Self-host
Funding: Seven Seven Six, Obvious Ventures, OSS Capital

Evidence and freshness

Last verified: 22/01/2026

A score is an assessment of recorded facts. Missing evidence and unresolved ownership can affect the result.

No field-level sources recorded for this service.