Netty project - an event-driven asynchronous network application framework

Very spicy additions to the Java programming language.

Generate diagrams from textual description

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

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

An extensible multilanguage static code analyzer.

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…

Example application based on Apache Kafka framework to show it usage as distributed message server. Exploring this sample application help users to understand how good and easy is Apache Kafka usage.

A file system implementation to access the contents of Java modules in a unified way.