Design patterns implemented in Java

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

All Algorithms implemented in Java

Spring Framework

Google core libraries for Java

Free universal database tool and SQL client

A libre lightweight streaming front-end for Android.

Getting Started with Spring Boot 3:

Open Source Identity and Access Management For Modern Applications and Services

Browse media content with your own rules on Android TV

Jenkins automation server

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

Zipkin is a distributed tracing system

Modern Java - A Guide to Java 8

The official home of the Presto distributed SQL query engine for big data

Quarkus: Supersonic Subatomic Java.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

🏗 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.

OpenRefine is a free, open source power tool for working with messy data and improving it

A configuration as code language with rich validation and tooling.

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.

Apache Beam is a unified programming model for Batch and Streaming data processing.

Free and open log management

An extensible multilanguage static code analyzer.

RStudio is an integrated development environment (IDE) for R

Alibaba Dragonwell8 JDK

Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...

Java libraries for writing microservices