The Checker Framework: pluggable type-checking for Java

Please see the Checker Framework manual (HTML, PDF).

The history of releases and changes is in file docs/CHANGELOG.md.

Documentation for Checker Framework developers is in directory docs/developer/.

Name		Name	Last commit message	Last commit date
Latest commit History 19,671 Commits
.azure		.azure
.circleci		.circleci
.claude		.claude
.github		.github
annotation-file-utilities		annotation-file-utilities
buildSrc/src/main/groovy		buildSrc/src/main/groovy
checker-qual-android		checker-qual-android
checker-qual		checker-qual
checker-util		checker-util
checker		checker
dataflow		dataflow
docs		docs
framework-test		framework-test
framework		framework
gradle		gradle
javacutil		javacutil
.coderabbit.yaml		.coderabbit.yaml
.editorconfig		.editorconfig
.gitignore		.gitignore
.python-version		.python-version
.travis-build.sh		.travis-build.sh
.travis.yml		.travis.yml
CONTRIBUTING.md		CONTRIBUTING.md
LICENSE.txt		LICENSE.txt
Makefile		Makefile
README.md		README.md
build.gradle		build.gradle
gradle-mvn-push.gradle		gradle-mvn-push.gradle
gradle.properties		gradle.properties
gradlew		gradlew
gradlew.bat		gradlew.bat
pyproject.toml		pyproject.toml
release.gradle		release.gradle
settings.gradle		settings.gradle
uv.lock		uv.lock

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