What is Cal.com — Open-Source Scheduling Infrastructure?

The open Calendly alternative. Embed scheduling in any app with APIs and webhooks. Self-hostable. 40K+ GitHub stars.

Is Cal.com — Open-Source Scheduling Infrastructure free to use?

Yes. Cal.com — Open-Source Scheduling Infrastructure is freely available on TokRepo. Check the Source & Thanks section on the asset page for the specific open-source license.

How do I install Cal.com — Open-Source Scheduling Infrastructure?

Visit the asset page on TokRepo and click "Copy for agent" to get the installation instructions. Most assets can be installed with a single command.

Cal.com — Open-Source Scheduling Infrastructure

Cal.com is the leading open-source scheduling platform with 40,900+ GitHub stars — the Calendly alternative you can self-host and customize. It provides booking pages, team scheduling, round-robin assignment, recurring events, and a full API for embedding scheduling into any application. For AI products, Cal.com powers demo booking, support scheduling, and automated appointment management. With 200+ integrations (Google Calendar, Outlook, Zoom, Stripe), webhooks, and a REST API, it's scheduling infrastructure for developers.

Works with: Google Calendar, Outlook, Zoom, Google Meet, Stripe, Zapier, any webhook consumer. Best for SaaS products and AI tools that need embedded scheduling. Setup time: under 5 minutes with Docker.

Cal.com Features

Booking Pages

Individual and team booking links
Round-robin assignment across team members
Collective scheduling (find time that works for everyone)
Buffer time between meetings
Minimum notice period
Daily/weekly booking limits

Embed Options

// Inline embed
import Cal from "@calcom/embed-react";
<Cal calLink="team/sales-demo" style={{ width: '100%', height: '600px' }} />

// Popup embed
<button data-cal-link="team/sales-demo">Book a Demo</button>

// Floating button
Cal("floatingButton", { calLink: "team/sales-demo" });

API & Webhooks

# List available slots
curl https://api.cal.com/v1/slots/available?apiKey=... \
  &eventTypeId=123&startTime=2026-04-10&endTime=2026-04-17

# Create a booking
curl -X POST https://api.cal.com/v1/bookings?apiKey=... \
  -d '{"eventTypeId": 123, "start": "2026-04-10T10:00:00Z", "name": "John", "email": "john@example.com"}'

Webhooks for:

Booking created/cancelled/rescheduled
Meeting started/ended
Custom triggers

AI Use Cases

Use Case	Implementation
Demo booking	Embed Cal on your AI product landing page
Support scheduling	Let users book AI-assisted support calls
Agent scheduling	AI agent books meetings on behalf of users
Interview scheduling	Automated candidate scheduling

200+ Integrations

Calendars: Google, Outlook, Apple. Video: Zoom, Google Meet, Teams. Payments: Stripe. Automation: Zapier, Make, n8n.

FAQ

Q: What is Cal.com? A: Cal.com is the leading open-source scheduling platform with 40,900+ GitHub stars. Self-hostable Calendly alternative with API, embeds, team scheduling, and 200+ integrations.

Q: Why use Cal.com for AI products? A: AI products need demo booking, support scheduling, and automated appointments. Cal.com provides embeddable scheduling with a full API that AI agents can use to manage calendars.

Q: Is Cal.com free? A: Open-source under AGPL-3.0. Self-host for free. Cal.com Cloud has a free tier for individuals.

Cal.com — Open-Source Scheduling Infrastructure

Cal.com Features

Booking Pages

Embed Options

API & Webhooks

AI Use Cases

200+ Integrations

FAQ

Source et remerciements

Discussion

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