Cal.com

Open source · OSI-approvedStatus: unknown

Scheduling infrastructure you can host and extend

Cal.com covers the booking link case well, but its real distinction is that scheduling is exposed as infrastructure. Availability, event types, and bookings all have APIs, and the booking page can be embedded rather than linked.

For teams handling health, legal, or financial appointments, self-hosting means calendar contents and attendee details never reach a third party.

Decisive facts

Shareable booking links with round robin and collective events
Embeddable booking flow rather than an outbound link
Calendar sync across Google, Outlook, CalDAV, and others
Workflows for reminders and follow-ups over email and SMS
Self-hostable with a full API

Project Management Workflow Automation self-hosted typescript nextjs scheduling calendar

Alternatives to Cal.com

Calendly

Booking links that read your real availability

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