Productivitydocker-ready1-click-deploy
Cal.com: the best Open Source alternative to Calendly in 2026
Cal.com is open source scheduling infrastructure: booking pages, event types, calendar integrations and video calls, fully customizable and self-hostable.
Technical profile
- License
- AGPL-3.0
- Category
- Productivity
- Replaces
- Calendly
- Tech stack
- Next.jsPostgreSQLPrisma
Preview

Public image provided by Cal.com on its own website.
Key features
- Custom booking pages
- Google/Outlook Calendar sync
- Built-in video calls (Cal Video)
- Team meeting routing
Cal.com vs. Calendly
Pros
- Fully white-label, your own domain and brand
Things to consider
- Initial setup is more technical than signing up for Calendly
Quick Docker installation guide
Copy this docker-compose.yml, adjust the example passwords and run docker compose up -d on your server. See the full step-by-step guide →
docker-compose.yml
version: "3.9"
services:
calcom:
image: calcom/cal.com:latest
restart: unless-stopped
ports:
- "3000:3000"
environment:
- DATABASE_URL=postgresql://calcom:calcom@calcom-db:5432/calcom
- NEXTAUTH_SECRET=change-me-super-secret
- CALENDSO_ENCRYPTION_KEY=change-me-32-char-key
depends_on:
- calcom-db
calcom-db:
image: postgres:15-alpine
restart: unless-stopped
environment:
- POSTGRES_USER=calcom
- POSTGRES_PASSWORD=calcom
- POSTGRES_DB=calcom
volumes:
- calcom_pg_data:/var/lib/postgresql/data
volumes:
calcom_pg_data: