Can I open-source Cal.com Teams?
KINDA · partial or early alternativesKinda. Cal.com cover the core of Cal.com Teams, but they're early or partial — expect gaps like managed hosting, connectors, upgrades, support, and enterprise controls and multiple calendar providers.
People still pay for Cal.com Teams because people pay because one double booking or missed invite can cost more than years of subscription fees. The recurring cost buys OAuth refresh, webhooks, timezone databases, race conditions, reminders, deliverability, privacy, and uptime, not just the visible interface.
xmanaged hosting, connectors, upgrades, support, and enterprise controls
xmultiple calendar providers
xteam routing and round-robin
xpayments
xtimezone edge-case maturity
These projects already replace it, free.
CCal.comOpen scheduling infrastructure with booking pages, round-robin, routing forms, and app integrationsopen source↗What each one is, in full: Cal.com
no votes, no pay-to-list · just what's real
Cal.com Teams pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| individual | $0/user | $0/user | 1 user, unlimited event types/calendars/meetings, email and SMS notifications, 100+ app integrations and payment collection |
| teams | $16/user | $12/user | 1 team; shared availability, round-robin, managed and collective event types |
| organizations | $37.33/user | $28/user | Unlimited sub-teams, organization subdomain, SSO/SCIM and advanced security/admin |
| enterprise | custom | — | Custom organization scale, security, support and procurement terms |
free tier1 user with unlimited event types, connected calendars and meetings; email/SMS notifications and 100+ integrations
billingmonthly + annual (-25%) for hosted Teams/Organizations; Enterprise annual custom
hidden costsHosted team pricing is per user. Self-hosting can remove the hosted subscription but shifts infrastructure, upgrades, backups and social/OAuth app configuration to the customer; some enterprise features require commercial licensing.
verified 2026-08-14 · source ↗
Can I open-source Cal.com Teams?
Kinda. Cal.com covers the core of Cal.com Teams, but there are real gaps: managed hosting, connectors, upgrades, support, and enterprise controls, multiple calendar providers. Read the honest list above before committing.
How much does Cal.com Teams cost?
Cal.com Teams costs about $16/month (Teams, checked 2026-08-14), which is $192 per year.
What do I lose by replacing Cal.com Teams?
Honestly: managed hosting, connectors, upgrades, support, and enterprise controls; multiple calendar providers; team routing and round-robin; payments; timezone edge-case maturity. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Cal.com Teams?
Yes: Cal.com (Open scheduling infrastructure with booking pages, round-robin, routing forms, and app integrations)