Is Cal.com free to use?

Yes, Cal.com is open source under the AGPL-3.0 license. You can use, modify, and distribute it freely within the terms of the license.

Can I self-host Cal.com?

Yes, Cal.com can be self-hosted on your own infrastructure, giving you full control over your data and deployment.

What does Cal.com replace?

Cal.com is an open source alternative to Calendly and Doodle. It provides similar functionality while being free and community-driven.

How popular is Cal.com?

Cal.com has 41k stars on GitHub, indicating a strong and active community of users and contributors.

Cal.com

Featured

Open source scheduling infrastructure — the Calendly alternative for individuals and teams

AGPL-3.0Self-hostableTypeScriptReactNext.jsProject Management

schedulingcalendarbookingmeetings

Website GitHub Docs

Last updated: 2 weeks ago

41k

Stars

12.5k

Forks

438

Contributors

Apr 2026

Last Commit

Project Health

93/ 100

Excellent

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Replaces These Proprietary Tools

Cal.com can be used as an alternative to these commercial products.

Calendly

Scheduling automation platform

freemium

Doodle

Group scheduling and meeting polls

freemium

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Articles About Cal.com

How to Migrate from Calendly to Cal.com 2026

Step-by-step guide to migrating from Calendly to Cal.com — set up event types, connect calendars, and self-host your scheduling See our top picks for 2026.

Rallly vs Cal.com: Open Source Scheduling Tools in 2026

Rallly for group availability polls, Cal.com for individual booking links. Both are open source Doodle and Calendly alternatives you can self-host for free.

Self-Host Cal.com: Calendly Alternative Scheduling 2026

Self-host Cal.com as a Calendly alternative in 2026. AGPL 3.0, ~32K stars, TypeScript/Next.js — scheduling, team booking, round-robin, Google/Outlook sync.

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