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

Quarkus: Supersonic Subatomic Java.

Runtime code generation for the Java virtual machine.

Idiomatic persistence for Java and relational databases

WildFly Application Server

A High Dynamic Range (HDR) Histogram

Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store.

The JGroups project

The quickstarts demonstrate JBoss EAP, Jakarta EE 10 and a few additional technologies. They provide small, specific, working examples that can be used as a reference for your own project.

Hibernate Search: full-text search for domain model

Byteman Project main repo

Java Annotation Indexer

The Ceylon compiler, language module, and command line tools

Hibernate OGM - Domain model persistence for NoSQL datastores

A koan-style tutorial in Java for Neo4j

Implementation of the Raft consensus protocol in JGroups

A Modular Classloading System

The codebase for the narayana project

antlr v3 repository (pulled from p4 with history from //depot/code/antlr/antlr3-main

Creates a report of all API changes two JDK versions

A Java DSL (Builder) for the Cypher Query Language

ModeShape is a distributed, hierarchical, transactional, and consistent data store with support for queries, full-text search, events, versioning, references, and flexible and dynamic schemas. It i…

The natural database connection pool

Java API for Archive Manipulation

Collection of tests organized by technology that showcases Arquillian's capabilities.

Version 1 of the Modular Service Container

JBoss Logging

JBoss Log Manager

Annotation Processor to generate JPA 2 static metamodel classes

Hibernate Commons Annotations project