Cal.com

Open-source scheduling software for individuals, teams, and developers

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Answer-first descriptionWhat AI engines quote

Cal.com is a fully customizable, open-source scheduling platform for individuals, teams, organizations, and developers building scheduling into their own products. It supports one-on-one bookings, collective events, dynamic group links, payments, workflows, and an AI-powered calling assistant (Cal.ai). A free tier is available with paid plans for teams and enterprises.

Coordinating meetings wastes time and creates friction — especially at scale. Cal.com eliminates that by giving users shareable booking links with configurable availability, automated reminders, calendar sync, and embeddable scheduling components. Developers can extend it via a public API, React scheduling atoms, and OAuth integrations, making it suitable both as a standalone tool and as infrastructure inside other applications.

→Embeddable scheduling components and public API for developers building custom booking flows

→Supports payments, workflows, collective events, and dynamic group booking links

→Cal.ai adds AI-powered call scheduling on top of standard calendar booking

Receipts — verification recordLast verified · Jul 18, 2026 · Human reviewed

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