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Cal.com: guides & tutorials

Cal.com self-hosted scheduling platform: open-source Calendly alternative. Docker Compose deployment notes and Liquid Web VPS setup for team booking.

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Self-hosting6 min read

4 Open-Source Calendly Alternatives You Can Self-Host (2026)

· 6 min read
Yassine El Haddad
Yassine El Haddad
Software Developer & Automation Specialist

Calendly Teams costs $20 per user per month for round-robin scheduling, routing forms, and team booking pages. Cal.com — the most feature-complete open-source scheduling platform — covers the same ground on a Liquid Web 4 GB Managed VPS for a flat VPS fee with no per-seat limit.

Self-hosting14 min read

Cal.com + Chatwoot + Twenty CRM: Self-Hosted Booking-to-CRM Pipeline (2026)

· 14 min read
Yassine El Haddad
Yassine El Haddad
Software Developer & Automation Specialist

TL;DR

  • One docker-compose.yml: Cal.com + Chatwoot + Twenty CRM + shared PostgreSQL + Redis + Caddy
  • Measured idle RAM: ~3.2 GB; peak: ~4.5 GB
  • Minimum Liquid Web tier: 8 GB Managed VPS (~$33–$40/mo)
  • Calendly Teams + Intercom Starter + Salesforce Essentials: ~$80+/user/mo; this stack: ~$30/mo flat

Most growth-stage teams stitch together Calendly for scheduling, Intercom for support chat, and Salesforce for pipeline — then pay Zapier to connect them. This guide deploys the open-source equivalents on a single VPS: Cal.com handles scheduling, Chatwoot handles conversations, and Twenty CRM tracks deals. When a prospect books a call, that event flows through the entire pipeline automatically.