Core annotations used for value types, used by Jackson data binding package.

General data-binding functionality for Jackson: works on core streaming API

Annotations the SpotBugs tool supports

Soffa Foundation

swagger-annotations

swagger-models

Jakarta Annotations API

JavaBeans Validation (Bean Validation) is a validation model that can add constraints to the beans with annotations ...

Jakarta RESTful Web Services

checker-qual contains annotations (type qualifiers) that a programmerwrites to specify Java code for type-checking by ...

The Checker Framework enhances Java's type system to

Annotated JDK 8 consists of Checker Framework annotations for the Open

Core API and libraries of hamcrest matcher framework.

Runtime libraries for Kotlin reflection, which allows you to introspect the structure of your program at runtime.

Kotlin Standard Library JDK 8 extension