Cal.diy (Cal.com community edition)
98 · HealthyMIT-licensed community fork of Cal.com with booking pages and calendar integrations; enterprise features removed.
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Directory / Scheduling / Cal.diy (Cal.com community edition)
Cal.diy (Cal.com community edition)
MIT-licensed community fork of Cal.com with booking pages and calendar integrations; enterprise features removed.
Will it still be around?
Health 98/100 · Healthy
Activity, bus factor and issue responsiveness. Breakdown
Alternative to
Savings proposal
A 25-seat team on Calendly Teams pays about $400 a month. Self-hosting Cal.diy (Cal.com community edition) costs about $264 a month to run plus $1,200 to set up, so it pays for itself in month 9 and saves about $3,696 over three years.
List price: Calendly Teams, billed annually. Standard is $10 per seat. Teams gets cheaper per seat above 30 seats. Source, checked 2026-10-07.
Saved over 3 years
$3,696
Pays for itself
Month 9
Saved in year one
$432
Each month
$400 → $264
Show as a table
| Month | Calendly | Self-hosted | Difference |
|---|---|---|---|
| Today | $0 | $1,200 | −$1,200 |
| Month 3 | $1,200 | $1,992 | −$792 |
| Month 6 | $2,400 | $2,784 | −$384 |
| Month 9 | $3,600 | $3,576 | $24 |
| Month 12 | $4,800 | $4,368 | $432 |
| Month 18 | $7,200 | $5,952 | $1,248 |
| Month 24 | $9,600 | $7,536 | $2,064 |
| Month 30 | $12,000 | $9,120 | $2,880 |
| Month 36 | $14,400 | $10,704 | $3,696 |
Assumptions you can change
Self-hosting Cal.diy (Cal.com community edition) usually means an app server, a database and a cache or worker. Hours are for one engineer; the server cost is a typical cloud VPS with backups and grows with the number of people using it.
Not included: paid editions or features of Cal.diy (Cal.com community edition) (see What's free?), large data migrations, and compliance work. All amounts in US dollars at list price; your negotiated price may differ.
Health score: 98/100
Activity45% weight
100/100
- Last commit 18 days ago (100/100).
- 2114 commits in the past 12 months (100/100).
- 50+ releases in the past 12 months (100/100).
Bus factor30% weight
100/100
- Top contributor wrote 20% of the last 100 commits (past 12 months).
- 54 people authored those commits.
Responsiveness25% weight
91/100
- 88% of all issues are closed (1147 open, 8292 closed) (96/100).
- 26 of 30 recent issues got a reply or were closed (87/100).
Score v2. How the health score works.
License
MIT License · Open source (permissive)
OSI-approved license with few conditions beyond keeping the copyright notice.
Detected by GitHub as MIT.
License history
- 2026-04-15: AGPL-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)
What's free?
Enterprise features many open-core projects keep for paid plans.
| Feature | Self-hosted, free? |
|---|---|
| SSO (SAML) | Not available |
| SSO (OIDC) | Unknown |
| SCIM provisioning | Not available |
| Audit logs | Unknown |
| Role-based access control | Not available |
| Multi-tenancy | Not available |
GitHub metrics
| Stars | 49k | Forks | 15k |
|---|---|---|---|
| Last commit | 18 days ago | Commits, 12 months | 2.1k |
| Releases, 12 months | 50+ | Last release | 7 months ago |
| Contributors | 436 | Active authors | 54 in last 100 commits |
| Open issues | 1.1k | Closed issues | 8.3k |
Snapshot from 2026-10-08.