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Open Source Toolkit

Know how to use it before you click: online, self-hosted, desktop, CLI

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Cal.com

calcom/cal.com
Ready to use There is an official hosted version — open it and go. No install, no deployment.

Scheduling infrastructure for absolutely everyone.

SchedulingMeetingsSelf-hostable
Cal.com website screenshot

Deploy command

docker pull mailhog/mailhog
   docker run -d -p 8025:8025 -p 1025:1025 mailhog/mailhog

Taken from the project README. You need a server with Docker; you may still need to add environment variables.

From the README

Cal.diy is the community-driven, fully open-source scheduling platform — a fork of Cal.com with all enterprise/commercial code removed.

Stars
★ 48.6k
Language
TypeScript
License
AGPL-3.0
Last updated
2026-09-20
Category
Project & task management
Section
General