Free and Open Source, Distributed, RESTful Search Engine

Ghidra is a software reverse engineering (SRE) framework

Spring Framework

Google core libraries for Java

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

a fast, scalable, multi-language and extensible build system

Jenkins automation server

IntelliJ IDEA & IntelliJ Platform

🏗 Build container images for your Java applications.

Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

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

OWASP dependency-check is a software composition analysis utility that detects publicly disclosed vulnerabilities in application dependencies.

GoCD - Continuous Delivery server main repository

Java DSL for easy testing of REST services

jOOQ is the best way to write SQL in Java

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

JanusGraph: an open-source, distributed graph database

Distributed Graph Database

Apache Maven core

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID…

Apache Shiro is a powerful and easy-to-use Java security framework that performs authentication, authorization, cryptography, and session management

Fault tolerance and resilience patterns for the JVM

Eclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more

Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain.

The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).

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

The reliable, generic, fast and flexible logging framework for Java.