ToolVitals
ActiveOpen coreCommunicationBooking & Reservations

Cal.com

Open-source scheduling infrastructure

WebsiteGitHubXLicense
Data confidence90/100
Source coverage90/100
Publish confidence90/100
Evidence checkedSep 11, 2026
About this tool

What ToolVitals knows about Cal.com

Open-source scheduling infrastructure

Cal.com has public source and commercial hosted offerings; verify feature-level licensing for enterprise use.

Commit continuity, contributor activity, and delivery signals are strong.

Source-visible projectBooking & ReservationsOpen coreScored Intelligence
Score Breakdown

Public signal read

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How to read this

The overall score reflects ToolVitals maintenance and delivery evidence. Adoption is shown as public context only and does not change the overall score.

Activity
Commit activity across recent and sustained windows, with releases as a small supporting signal.
Reliability
Maintenance posture from commit recency, continuity, and active contributors.
Adoption
Public footprint from GitHub stars and forks when available.
ToolVitals79/100Health84/100Shipping71/100Zombie Risk3/100
Overall Score79Active
Activity71
Reliability84
Adoption96
Project provenance

Fork network

Popular active forks

Highest GitHub star count first
Repository

GitHub Activity

TS
calcom/cal.diy
Stars48,329
Forks15,069
Contributors28Active in 90d · as of Sep 10, 2026
Open Issues1,435
Primary Language
TypeScript
Last Commit
Today
Commits 30d
5
Commits 90d
46
Releases 90d
0
Default Branch
main
License
MIT
Repository Status
Active repository
Evidence

Signal Quality

Data Confidence90/100Strong
Source Coverage90/100Strong
Publish Confidence90/100Strong

ConfidenceHigh-confidence score from multiple public signals.

Zombie RiskNo meaningful zombie signal right now.

How ToolVitals scores work
Openness

License Evidence

Class
Open core
License
MIT

Cal.com has public source and commercial hosted offerings; verify feature-level licensing for enterprise use.

Open license evidence
Sources

Tracked Sources

Websitehttps://cal.comGitHubcalcom/cal.diyXhttps://x.com/calcomLicenseMIT
Profile

Classification

Category
Communication
Use Case
Booking & Reservations
Openness
Open core
License
MIT
Tool Mode
Source-visible project
Score Model
Open Source Maintenance
Score Visibility
Scored Intelligence
Status
Active
Founded
2021
Maintainers

README Badge

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For agents

Machine-readable profile

Use the clean Markdown or structured JSON representation from the same published ToolVitals evidence snapshot.

MarkdownOpen .md profileStructured dataOpen JSON profileWorkflowOpen Agent Skill
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Latest

Recent Updates

Release Notes

Mar 1, 2026v6.2.0

Next decisions

Useful paths from this profile

Cal.com
Dead checkIs Cal.com dead?

Get the direct dead/alive verdict from ToolVitals health, shipping, confidence, and decay signals.

AlternativesAlternatives to Cal.com

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CompareCal.com vs TymeSlot

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LeaderboardBooking & Reservations rankings

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Tags
schedulingcalendly-alternativeopen-sourceappointment-bookingappointment-schedulingcalendaravailabilitybookingapi-firstself-hostednext-authnextjspostgresqlprismat3-stacktailwindcsstrpcturborepotypescriptzod

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