JDK main-line development https://openjdk.org/projects/jdk

Very spicy additions to the Java programming language.

GraphQL Java implementation

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

Apache Maven core

🔬 Java Code Coverage Library

AssertJ is a library providing easy to use rich typed assertions

TestNG testing framework

Spring Integration provides an extension of the Spring programming model to support the well-known Enterprise Integration Patterns (EIP)

Hibernate Validator - Jakarta Bean Validation Reference Implementation

Spring Data Commons. Interfaces and code shared between the various datastore specific implementations.

Java Fluent Validator is inspired by Fluent Interface and .Net FluentValidation which defined an inner-DSL within Java language for programmers to use. A fluent interface implies that its primary g…

Jakarta Validation