NEW 2026.10 RELEASE 45 Commercial SaaS Tools mapped to 71 Self-Hosted & Local AI Alternatives with instant Caddy Auto-SSL Docker configs.
OPEN-SOURCE MIGRATION BENCHMARK License: AGPL-3.0 ★ 34.7k GitHub Stars

Replace Calendly with Self-Hosted Cal.com

Open-source scheduling infrastructure for everyone: round-robin, workflows, Stripe payments & routing forms Stop paying Teams ($16/seat/mo) ($160/mo for a 10-person team) and run Cal.com on a $4.50/mo Linux VPS with full data sovereignty.

10-Seat Annual Savings
+$1,866 / yr
vs Calendly standard plan
Container RAM & vCPU
1024 MB RAM
1.0 vCPU • Migration: Easy
Recommended Cloud Box
$4.50/mo VPS
Hetzner CX22 (4GB RAM / 2 vCPU)

1-to-100 Seat Total Cost of Ownership (TCO) Table

Comparing Calendly (Teams ($16/seat/mo)) vs Cal.com on Hetzner CX22 (4GB RAM / 2 vCPU).

Team Size Calendly Cost Cal.com VPS Net Annual Savings
1 Seat (Solo) $16.00/mo ($192/yr) $4.50/mo (CX22) +$138 / year
5 Seats $80.00/mo ($960/yr) $4.50/mo (CX22) +$906 / year
10 Seats $160.00/mo ($1,920/yr) $4.50/mo (CX22) +$1,866 / year
25 Seats $400.00/mo ($4,800/yr) $4.50/mo (CX22) +$4,746 / year
50 Seats $800.00/mo ($9,600/yr) $4.50/mo (CX22) +$9,546 / year
100 Seats $1,600.00/mo ($19,200/yr) $4.50/mo (CX22) +$19,146 / year

Production Docker Compose + Caddy Auto-SSL

Copy and run docker compose up -d on any Ubuntu 24.04 server.

Open in Multi-Tool Builder →
# Production Docker Compose: Cal.com (Replaces Calendly)
services:
  caddy:
    image: caddy:2-alpine
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./Caddyfile:/etc/caddy/Caddyfile:ro
      - caddy_data:/data
    networks:
      - stack_net

  calcom:
    image: calcom/cal.com:latest
    container_name: stack-calcom
    restart: unless-stopped
    environment:
      - "NEXT_PUBLIC_WEBAPP_URL=https://cal.${DOMAIN:-yourdomain.com}"
      - "DATABASE_URL=postgresql://postgres:${POSTGRES_PASSWORD:-strongpassword}@postgres:5432/calcom"
      - "NEXTAUTH_SECRET=${CALCOM_SECRET:-generate_32_byte_base64_secret}"
      - "CALENDSO_ENCRYPTION_KEY=${CALCOM_ENC_KEY:-generate_32_byte_encryption_key}"
    volumes:
      - calcom_data:/data
    networks:
      - stack_net

  postgres:
    image: pgvector/pgvector:pg16
    container_name: stack-postgres
    restart: unless-stopped
    environment:
      - "POSTGRES_USER=postgres"
      - "POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-strongpassword}"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    networks:
      - stack_net

networks:
  stack_net:
    driver: bridge

volumes:
  caddy_data:
  calcom_data:
  postgres_data:
Caddyfile (Automatic HTTPS Reverse Proxy):
# Automatic Let's Encrypt HTTPS for Cal.com
calcom.{$DOMAIN:yourdomain.com} {
  encode zstd gzip
  reverse_proxy calcom:3000
}

Why Teams Switch to Cal.com

  • ✓Full white-label on your own domain
  • ✓Google, Outlook, Apple Calendar + Zoom/Meet sync
  • ✓Automated SMS/Email reminders & routing forms
GitHub Repository calcom/cal.com
Official Website cal.com
Docker Image calcom/cal.com:latest
Database Needed PostgreSQL 16
PRODUCTION BOILERPLATE ZIP

Get All 16 Pre-Built Production Stacks + Encrypted S3 Backups

Includes pre-tuned docker-compose.yml, Caddy Auto-SSL, AES-256 encrypted nightly S3/R2 Postgres backups, and Ubuntu 24.04 UFW/Fail2ban hardening scripts.