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

Spring Framework

Open Source Identity and Access Management For Modern Applications and Services

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Feign makes writing java http clients easier

A programmer-oriented testing framework for Java — ⚠️ maintenance mode

An annotation processor for generating type-safe bean mappers

Java DSL for easy testing of REST services

✅ The programmer-friendly testing framework for Java and the JVM

jOOQ is the best way to write SQL in Java

Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

Java implementation of JSON Web Token (JWT)

Automated JSON API documentation for API's built with Spring

Keep your code spotless

Allure Report is a flexible, lightweight multi-language test reporting tool. It provides clear graphical reports and allows everyone involved in the development process to extract the maximum of in…

Spring Authorization Server

Brings the popular ruby faker gem to Java

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

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.

Distributed lock for your scheduled tasks

SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

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

Fluent testing assertions for Java and the JVM

Plugin Framework for Java (PF4J)

CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX conversion modules.

Intelligent object mapping

Java (and original) version of Hamcrest

TestNG testing framework