Cal.com
Open SourceOpen-source appointment scheduling with custom configuration and API integration
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MIT v6.2.0 May 1, 2026
Since Mar 2021 1,291
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AI Summary
Cal.com is a fully customizable open-source scheduling platform for appointment booking. It offers API access, React components, video conferencing, calendar integration, and workflow automation. The solution can be self-hosted and is designed for developers, teams, and businesses looking to integrate scheduling into their systems.
✓ Pros
- + Open-source and self-hosted for full data control and customizability
- + Extensive developer tools with public API, OAuth, and React components
- + Integrated features like Cal Video, payments, workflows, and 65+ languages
✗ Cons
- − Self-hosting requires technical know-how and own infrastructure
- − Setup complexity higher than pure SaaS solutions
Use Cases
- → Developing custom booking platforms with API and React components
- → Team coordination with collaborative scheduling and availability management
- → Sales and recruiting processes with automated reminders and payment integration
- → Telemedicine and consulting services with integrated video conferencing system
Who is it for?
Developers and technical teams looking to integrate or self-host a customizable scheduling infrastructure in their own products.
Tags
Platform: self-hosted
Pricing: Open Source
