Cal.com
Scheduling infrastructure for everyone. Open source.
GitHub Stars
30k+
App Store Integrations
100+
Deployment
Cloud & Self-Hosted
About Cal.com
Cal.com provides a comprehensive, open-source scheduling solution that can be used via a cloud-hosted service or self-hosted for maximum control. It enables users to create customizable booking pages for various event types, including one-on-one, group, and round-robin meetings. Key features include automated workflows for reminders and follow-ups, routing forms to qualify and direct bookers, and an extensive app marketplace for integrations with calendars (Google, Apple, Outlook), video conferencing tools, and other business software. For developers, Cal.com offers a robust API and webhooks, allowing for the deep integration of scheduling logic into any application, making it a true infrastructure layer for time management.
Core Scheduling Features
Event Types
One-on-one, group, round-robin, and collective availability.
Customization
White-labeling, custom domains, and personalized booking pages.
Workflows
Automate reminders, confirmations, and follow-up messages via SMS and email.
Routing Forms
Create pre-booking questionnaires to qualify and route leads to the right person or event type.
Team Scheduling
Centralized billing, team pages, and advanced user roles and permissions.
Developer Platform
Scheduling Api
Programmatically manage users, bookings, event types, and availability.
Embeddable Ui
Embed booking widgets directly into websites and applications.
Webhooks
Receive real-time notifications for events like new bookings or cancellations.
Open Source
The entire platform is open source (AGPLv3), allowing for complete transparency and customizability.