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Cal.com
Open source scheduling infrastructure. Calendly alternative with full API and self-hosting.
About Cal.com
Cal.com is the open source Calendly alternative. Build and manage your scheduling infrastructure with full control. Connect your calendars, set availability, create booking pages, and integrate with your existing tools. Self-host or use the managed cloud version.
Key Features
✓ Multiple calendar connections
✓ Team scheduling & round-robin
✓ Custom booking pages
✓ Workflow automations
✓ API-first architecture
✓ Zapier & webhook integrations
Why choose Cal.com?
Cal.com is an open source alternative to Calendly. Licensed under AGPL-3.0, it gives you full access to the source code and the freedom to modify, self-host, and contribute. You can deploy it on your own servers for complete data ownership and privacy.