can i fork it?
open sourceOpen SourceSelf-host★ 49.8kactive nov 2026

Cal.com

Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.

Technical Profile & Specs

verified 2026-11-07

Cost
$0 / forever (Open Source)
License
Open Source
Hosting Model
Self-host (your server)
Platforms
webself-hosteddocker to self-host
Installation
Clone https://github.com/calcom/cal.diy or deploy with Docker Compose
Operational Setup
Deploy via Docker or binary release from GitHub and configure environment variables.
Where Your Data Lives
All application data and configuration live on your own server or local database.
The Catch / Trade-off
Requires self-hosting setup, updates, and server maintenance compared to managed Calendesk.

Replaces 3 paid apps

up to $30/mo ($360/yr) in subscriptions

Cal.com FAQ

Common questions

Is Cal.com free and open source?+

Cal.com is an open-source tool licensed under Open Source that runs on self-host. Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.

What paid software does Cal.com replace?+

Cal.com serves as a free replacement for 3 paid SaaS applications: Calendesk, Savvycal, Sessions, saving up to $30/month ($360/year) in subscription bills.

How do you install and set up Cal.com?+

Installation: Clone https://github.com/calcom/cal.diy or deploy with Docker Compose. Setup notes: Deploy via Docker or binary release from GitHub and configure environment variables.

What is the catch or trade-off with Cal.com?+

Requires self-hosting setup, updates, and server maintenance compared to managed Calendesk.