Checkstyle vs detekt

Checkstyle vs detekt
Fact	Checkstyle	detekt
Language	Java	Kotlin
Licence	LGPL-2.1	Apache-2.0
Stars	9.6k	7.1k
Latest	checkstyle-14.3.0	v1.23.8
Last push	2026-10-19	2026-10-19
Release cadence	about 7 days between releases	too few releases
Active contributors	70+ commit authors on the default branch in the last 90 days	39 commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace SonarQube Community Build. Alternatives to SonarQube Community Build →
PartialCheckstyleJava style and convention rules only, with no server, dashboard or history.
PartialdetektStatic analysis for Kotlin only, run from the build without a server.

v2.0.0-alpha.62026-08-04This is an alpha release of Detekt 2.0.0. It's built against Kotlin 2.4.10, Gradle 9.6.1, AGP 9.3.1 and is tested again…pre-release
v2.0.0-alpha.52026-06-17This is a hotfix release for 2.0.0-alpha.4 where we fixed 2 bugs that were preventing detekt from running correctly.pre-release
v2.0.0-alpha.42026-06-13This is an alpha release of Detekt 2.0.0. Is built against Kotlin 2.4.0, Gradle 9.5.1, AGP 9.2.1 and is tested against…pre-release
v2.0.0-alpha.32026-04-24This is an alpha release of Detekt 2.0.0. Is built against Kotlin 2.3.21, Gradle 9.3.1, AGP 9.1.1 and is tested against…pre-release
v2.0.0-alpha.22026-01-27This is an alpha release of Detekt 2.0.0. It's built against Kotlin 2.3.0, Gradle 9.3.0, AGP 9.0.0 and is tested agains…pre-release

unsigned The latest release, checkstyle-14.3.0, carries no signature GitHub could verify.

Loading the security report

✓ signed The latest release, v1.23.8, carries a signature GitHub verified.

Loading the security report