OpenAltFinder

Cal.com vs CryptPad

Comparing two open source alternatives . Use the comparison below to decide which one fits your needs.

Cal.com

Cal.com

AGPL-3.0

Open-source scheduling infrastructure — a self-hostable alternative to Calendly for booking meetings and appointments.

CryptPad

CryptPad

AGPL-3.0

End-to-end encrypted collaborative office suite with zero-knowledge privacy.

Side-by-side comparison

Cal.com Cal.com
CryptPad CryptPad
License AGPL-3.0 AGPL-3.0
Self-hostable Yes Yes
GitHub Stars 42,471 7,627
Forks 13,192 819
Open Issues 1,292 387
Last Commit May 10, 2026 May 12, 2026
First Released Mar 22, 2021 Oct 31, 2014
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