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Documentation for the Cal.com platform

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Build your own integrations with our public API

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Use our react atoms to add scheduling to your app

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Integrate Cal.com using OAuth

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Font: Cal Sans UI & Text

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Schedule events with multiple participants

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Need to learn more about our system? Check the help docs

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Accept payments for bookings

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Seamlessly book meetings with multiple people

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Insights on scheduling, productivity, and building open software

Explore product updates, scheduling strategies, and engineering deep dives from the team building Cal.com, the open-source infrastructure for booking and automation.

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Evergreens

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Hero Image

Aug 12, 2026

8 Best Outlook Calendar Booking Software in 2026 (Ranked & Reviewed)

If your team uses Outlook every day, you want every booking to land straight on your calendar without adding more Microsoft software than you'd like. The best Outlook calendar booking software overall is Cal.com. It syncs natively with Outlook, connects just as easily with Google and Apple calendars, and stays free to start. Microsoft Bookings is the natural pick if your entire team already runs on Microsoft 365 and you'd rather not add another tool to the stack.

By

Cédric van Ravesteijn

#

Evergreens

Hero Image

Aug 12, 2026

8 Best Outlook Calendar Booking Software in 2026 (Ranked & Reviewed)

If your team uses Outlook every day, you want every booking to land straight on your calendar without adding more Microsoft software than you'd like. The best Outlook calendar booking software overall is Cal.com. It syncs natively with Outlook, connects just as easily with Google and Apple calendars, and stays free to start. Microsoft Bookings is the natural pick if your entire team already runs on Microsoft 365 and you'd rather not add another tool to the stack.

By

Cédric van Ravesteijn

#

Evergreens

Cal.com

Aug 10, 2026

5 Best Headless Booking Systems | Cal.com

Finding a good headless booking system is harder than it should be. Many products have outdated documentation, unclear pricing, or little recent developer activity, making it difficult to know which ones are still worth considering.

By

Cédric van Ravesteijn

#

cal.com

Aug 10, 2026

5 Best Scheduling Software for Lawyers | Cal.com

Law firms often run into the same issue with scheduling software: a booking link lets someone reserve time on an attorney's calendar before a conflict check is complete.

By

Cédric van Ravesteijn

#

Cal.com

Aug 10, 2026

Top 10 React Scheduler Component Libraries | Cal.com

Ask for a React scheduler recommendation, and you'll usually get a list of tools without much context on which one is actually right for your project.

By

Cédric van Ravesteijn

#

Cal.com

Aug 10, 2026

7 Best Free Appointment Scheduling Apps | Cal.com

If you're looking for a free appointment scheduling app, you've probably already tried one and hit a wall. That usually happens when you discover a feature you need isn't actually free. Reminders, two-way calendar sync, or accepting payments often require an upgrade.

By

Cédric van Ravesteijn

#

Aug 4, 2026

How to Reduce No-Show Appointments: 8 Proven Ways to Cut Your No-Show Rate (2026)

No-shows are a major operational challenge for service-based businesses. The fastest way to reduce no-shows is automated reminders, easy rescheduling, and deposits at booking, all built into Cal.com; free to start. So, that basically answers how to reduce no-show appointments, but just knowing the solutions is often not enough to actually solve a problem. Execution of the solutions plays a major role in determining how much success you’re able to achieve from the mentioned solutions.

By

Cédric van Ravesteijn

#

Use cases

Aug 3, 2026

5 Best Government Scheduling Software

After setting up and testing the top-rated platforms, here's the best government scheduling software for public agencies:

  • Cal.com Best Overall

  • Qmatic

  • QLess

  • WaitWell

  • Microsoft Bookings

By

Cédric van Ravesteijn

#

Aug 3, 2026

7 Best Multi Location Scheduling Software

After setting up and testing the top-rated platforms, here's the best multi location scheduling software for teams running more than one site:

  1. Cal.com (Best Overall)

  2. Deputy

  3. When I Work

  4. Connecteam

  5. 7shifts

  6. Homebase

  7. Pabau

By

Cédric van Ravesteijn

#

Aug 3, 2026

Best Appointment Reminder Software

We ran the top-rated reminder platforms through a full booking cycle to find the best appointment reminder software for cutting no-shows. Here's how they ranked:

  1. Cal.com (Best Overall)

  2. GReminders

  3. Apptoto

  4. Calendly

  5. Acuity Scheduling

  6. Square Appointments

  7. Setmore

  8. GoReminders

  9. SimplyBook.me

  10. Weave

By

Cédric van Ravesteijn

#

Cal.com® and Cal® are registered trademarks
of Cal.com, Inc. All rights reserved.

Our mission is to connect a billion people by 2031
through calendar scheduling.

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Cal.com® and Cal® are registered trademarks
of Cal.com, Inc. All rights reserved.

Our mission is to connect a billion people by 2031
through calendar scheduling.

English
Logo

Downloads

iPhone

Android

Chrome

Safari

Edge

Firefox

macOS

Windows

Linux

Need Help? support@cal.com or visit cal.com/help.

Solutions

iOS/Android App

Self-hosted

Pricing

Docs

Cal.ai - AI Phone Agent

Enterprise

Integrate Cal.com

Routing

Cal.com Atoms

Desktop App

FAQ

Enterprise API

GitHub

Docker

Use Cases

Sales

Marketing

Talent Acquisition

Customer Support

Higher Education

Telehealth

Professional Services

Hiring Marketplace

Human Resources

Tutoring

C-suite

Law

Resources

Affiliate Program

Help Docs

Blog

Cal Fonts

Teams

Embed

Recurring events

Developers

OOO

Workflows

Instant Meetings

App Store

Requires confirmation

Payments

Video Conferencing

Cal.com vs Calendly

Company

Jobs

About

Open Startup

Support

Privacy

Terms

License

Security

Changelog

Get a demo

Talk to sales

Cal.com® and Cal® are registered trademarks
of Cal.com, Inc. All rights reserved.

Our mission is to connect a billion people by 2031
through calendar scheduling.

English
Logo

Downloads

iPhone

Android

Chrome

Safari

Edge

Firefox

macOS

Windows

Linux

Need Help? support@cal.com or visit cal.com/help.

Solutions

iOS/Android App

Self-hosted

Pricing

Docs

Cal.ai - AI Phone Agent

Enterprise

Integrate Cal.com

Routing

Cal.com Atoms

Desktop App

FAQ

Enterprise API

GitHub

Docker

Use Cases

Sales

Marketing

Talent Acquisition

Customer Support

Higher Education

Telehealth

Professional Services

Hiring Marketplace

Human Resources

Tutoring

C-suite

Law

Resources

Affiliate Program

Help Docs

Blog

Cal Fonts

Teams

Embed

Recurring events

Developers

OOO

Workflows

Instant Meetings

App Store

Requires confirmation

Payments

Video Conferencing

Cal.com vs Calendly

Company

Jobs

About

Open Startup

Support

Privacy

Terms

License

Security

Changelog

Get a demo

Talk to sales