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

Free and Open Source, Distributed, RESTful Search Engine

Ghidra is a software reverse engineering (SRE) framework

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

Getting Started with Spring Boot 3:

Apache Kafka - A distributed event streaming platform

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Apache Flink

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

Graphs for Everyone

A standalone Java Decompiler GUI

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

🏗 Build container images for your Java applications.

Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running mat…

Generate diagrams from textual description

Admin UI for administration of spring boot applications

AWS Service registry for resilient mid-tier load balancing and failover.

Resilience4j is a fault tolerance library designed for Java8 and functional programming

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process …

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

Feign makes writing java http clients easier

Java JsonPath implementation

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

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.

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

A tool for mocking HTTP services

Catch common Java mistakes as compile-time errors

Java DSL for easy testing of REST services

jOOQ is the best way to write SQL in Java

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.