Design patterns implemented in Java

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

Everything you need to know to get the job.

Spring Framework

Free universal database tool and SQL client

Netty project - an event-driven asynchronous network application framework

Open Source Identity and Access Management For Modern Applications and Services

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

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

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

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

Open-source IoT Platform - Device management, data collection, processing and visualization.

Quarkus: Supersonic Subatomic Java.

Git Server with CI/CD, Kanban, and Packages. Seamless integration. Unparalleled experience.

🏗 Build container images for your Java applications.

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Admin UI for administration of spring boot applications

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

Generate diagrams from textual description

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

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

Feign makes writing java http clients easier

LangChain4j is an open-source Java library that simplifies the integration of LLMs into Java applications through a unified API, providing access to popular LLMs and vector databases. It makes impl…

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.

📈 Capturing JVM- and application-level metrics. So you know what's going on.

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

Apache Camel is an open source integration framework that empowers you to quickly and easily integrate various systems consuming or producing data.

The simple, stupid rules engine for Java

Unified Queries for Java

Brings the popular ruby faker gem to Java