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

Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps …

Brings the popular ruby faker gem to Java

Apache Maven Daemon

Modern IntelliJ plugin to learn shortcuts for buttons

An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.

Spring Native is now superseded by Spring Boot 3 official native support

An in-memory file system for Java

Speedment is a Stream ORM Java Toolkit and Runtime

Java wrapper around the FFmpeg command line tool

Configuration DSLs for Spring Boot

A library that creates fully populated objects for your unit tests.

Postgresql R2DBC Driver

ZeroTurnaround Process Executor

A collection of useful/essential gRPC Java Examples

Yet Another Validation for Java (A lambda based type safe validation framework)

QuickPerf is a testing library for Java to quickly evaluate and improve some performance-related properties

Spring Boot Startup Report library generates an interactive Spring Boot application startup report that lets you understand what contributes to the application startup time and perhaps helps to opt…

A small and easy-to-use one-time password generator library for Java implementing RFC 4226 (HOTP) and RFC 6238 (TOTP).

Keycloak extensions

A modern and lightweight library for working with email addresses in Java

galimatias is a URL parsing and normalization library written in Java.

Assertions for database

Hands-On Workshop for OAuth 2.0 and OpenID Connect 1.0

jOOQ support for PostgreSQL json & jsonb

Fluent builders with typesafe API for the JCA

Java implementation of the Transmission RPC API.

Lightweight XML Serializationg and Deserialization library for Java

Example for testing Keycloak extensions in docker with testcontainers