Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Spring Framework

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Very spicy additions to the Java programming language.

Redis Java client

Java JsonPath implementation

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

An annotation processor for generating type-safe bean mappers

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.

Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.

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 …

Non-Blocking Reactive Foundation for the JVM

Reactive Streams Specification for the JVM

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

Fault tolerance and resilience patterns for the JVM

A Java architecture test library, to specify and assert architecture rules in plain Java

Java annotation processor to create immutable objects and builders, for records too. Sweep boilerplate code under the rug!

Kubernetes integration with Spring Cloud Discovery Client, Configuration, etc...

Fluent testing assertions for Java and the JVM

Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

Java regular expressions made easy.

Lean & powerful HTTP apps

State of the art mutation testing system for the JVM

Configuration DSLs for Spring Boot

Provides support to increase developer productivity in Java when using MongoDB. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data acc…

Postgresql R2DBC Driver

R2DBC MySQL Implementation

Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching, folds, optics and typeclasses.

A Java library for generating Time-Sorted Unique Identifiers (TSID).

Behavior-Driven Development in plain Java