SSO (SAML) Not availableRemoved in Cal.diy; SAML SSO is a Cal.com Organizations feature.
SCIM provisioning Not availableRemoved with Organizations; SCIM is a Cal.com Organizations feature.
Role-based access control Not availableRoles and permissions are a Cal.com Organizations feature.
Multi-tenancy Not availableTeams and Organizations are removed in Cal.diy.

Sources: github.com, checked 2026-10-07 · cal.com, checked 2026-10-07

Flat Rate Deploy

Monthly cost

Cal.diy (Cal.com community edition) on OpenTools: $39
Calendly: ~~$400~~

You save each month

$361/mo

90% less than today

Saving from month one

You save

Over 3 years: $12,996
In year one: $4,332

List price checked 7 Oct 2026 · Source · Disclaimer

Bespoke

We set up Cal.diy (Cal.com community edition) for you. You pay once.

Increase seats to

You pay $400 a month for Calendly. Setup is $3,000, paid once, and after that Cal.diy (Cal.com community edition) runs for about $324 a month (your server, about $24, plus about $300 of maintenance), so at this size it takes more than 12 months to pay back.

Worth it from: 38seatspays back within 12 months
Setup, paid once: $3,000fixed price, agreed up front
Maintenance: $150/houronly when you ask for it

What we do

Data migrationRecords, files and history moved from Calendly, with a test run before the cut-over
ConfigurationWorkflows, custom fields, roles, permissions and SSO set up for your team
IntegrationsConnected to your CRM, Slack, accounting tools and APIs
MaintenanceUpdates, fixes and admin help when you ask, at $150 an hour
Paid editionsThe vendor's paid features, enabled, with the licence at cost
ComplianceData residency, audit logs, data processing agreements, security questionnaires
TrainingAn admin walkthrough, a runbook and sessions for your team

Total spent, month by monthCalendlyBespoke Cal.diy (Cal.com community edition)

Show as a table

Month	Calendly	Bespoke	Saved so far
Today	$0	$3,000	–
Month 3	$1,200	$3,972	–
Month 6	$2,400	$4,944	–
Month 9	$3,600	$5,916	–
Month 12	$4,800	$6,888	–
Month 18	$7,200	$8,832	–
Month 24	$9,600	$10,776	–
Month 30	$12,000	$12,720	–
Month 36	$14,400	$14,664	–

Servers run on your own cloud account, paid to your provider. Running cost counts about 2 hours of maintenance a month; you're billed only for hours you ask for. Migration and the other activities are quoted with the setup.

Get a fixed quote

Health score: 98/100

Healthy · activity, bus factor and issue responsiveness, from GitHub

Score v2 · How it works

Activity

45% weight

100/100

Last commit 20 days ago (100/100).
2111 commits in the past 12 months (100/100).
50+ releases in the past 12 months (100/100).

Bus factor

30% weight

100/100

Top contributor wrote 20% of the last 100 commits (past 12 months).
54 people authored those commits.

Responsiveness

25% weight

91/100

88% of all issues are closed (1148 open, 8292 closed) (96/100).
26 of 30 recent issues got a reply or were closed (87/100).

License

Free to use

MIT · Open source (permissive)

What you need to do

Use, change, host and sell it for any purpose, commercial included, with no license to buy. Keep the copyright notice.

MIT License · Open source (permissive). OSI-approved license with few conditions beyond keeping the copyright notice.

Detected by GitHub as MIT.

License history

2026-04-15AGPL-3.0 → MIT · The open repo became Cal.diy, an MIT community edition with enterprise code removed. Cal.com itself continues as a commercial product. · commit

GitHub activity

Stars: 49k
Forks: 15k
Commits, 12 mo: 2.1k; last 20 days ago
Releases, 12 mo: 50+; last 7 months ago
Contributors: 436; 54 in last 100 commits
Open issues: 1.1k; 8.3k closed

Snapshot from 2026-10-08

Top contributors

Points for pull requests merged into Cal.diy (Cal.com community edition) and reviews of them since 10 October 2025. Building something another user asked for earns more. 196 people have points on Cal.diy (Cal.com community edition) in all.

Bespoke · we set it up$3,000once Flat Rate Deploy$39/mo