ToolVitals
ActiveOSI-approved OSSDeveloper ToolsLanguage Runtimes & Toolchains

Kotlin

Programming language and compiler for JVM, Android, native, and multiplatform development.

WebsiteGitHubXLicense
Data confidence90/100
Source coverage100/100
Publish confidence92/100
Evidence checkedSep 10, 2026
About this tool

What ToolVitals knows about Kotlin

Programming language and compiler for JVM, Android, native, and multiplatform development.

The Kotlin compiler and core repository are distributed under the Apache License 2.0.

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

Source-visible projectLanguage Runtimes & ToolchainsOSI-approved OSSScored 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.
ToolVitals99/100Health99/100Shipping99/100Zombie Risk1/100
Overall Score99Active
Activity99
Reliability99
Adoption95
Project provenance

Fork network

Popular active forks

Highest GitHub star count first
Repository

GitHub Activity

KT
JetBrains/kotlin
Stars53,380
Forks6,410
Contributors51Active in 90d · as of Sep 10, 2026
Open Issues403
Primary Language
Kotlin
Last Commit
Today
Commits 30d
1,105
Commits 90d
4,137
Releases 90d
9
Default Branch
master
License
Apache-2.0
Repository Status
Active repository
Evidence

Signal Quality

Data Confidence90/100Strong
Source Coverage100/100Strong
Publish Confidence92/100Strong

ConfidenceHigh-confidence score from multiple public signals.

Zombie RiskNo meaningful zombie signal right now.

How ToolVitals scores work
Openness

License Evidence

Class
OSI-approved OSS
License
Apache-2.0

The Kotlin compiler and core repository are distributed under the Apache License 2.0.

Open license evidence
Sources

Tracked Sources

Websitehttps://kotlinlang.orgGitHubJetBrains/kotlinXhttps://x.com/kotlinLicenseApache-2.0
Profile

Classification

Category
Developer Tools
Use Case
Language Runtimes & Toolchains
Openness
OSI-approved OSS
License
Apache-2.0
Tool Mode
Source-visible project
Score Model
Open Source Maintenance
Score Visibility
Scored Intelligence
Status
Active
Maintainers

README Badge

Show this ToolVitals status in project docs.

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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
ToolVitals agent access guide
Latest

Recent Updates

Release Notes

Aug 12, 2026Kotlin 2.4.20-RCJul 22, 2026Kotlin 2.4.20-Beta2Jul 14, 2026Kotlin 2.4.10Jul 7, 2026Kotlin 2.4.10-RC2Jun 25, 2026Kotlin 2.4.10-RC

Next decisions

Useful paths from this profile

Kotlin
Dead checkIs Kotlin dead?

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

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Tags
open-sourcecompilergradle-pluginintellij-pluginkotlinkotlin-librarymaven-pluginprogramming-languagewasmwebassembly

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