Java Concurrency Tools Core Library

Implementation for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation. It has a plugin architecture that makes it extensible and supports asynchronous logging based on LMAX Disruptor.

Caffeine is a high performance, near optimal caching library. It provides an in-memory cache using a Google Guava inspired API.

Netty is a NIO client server framework which enables quick and easy development of network applications such as protocol servers and clients. It greatly simplifies and streamlines network programming such as TCP and UDP socket server.

Camel Kafka Connector

A high performance caching library

The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.

Legacy (i.e. pre-Galleon) feature pack providing full platform Jakarta EE functionality

Neo4j kernel is a lightweight, embedded Java database designed to store data structured as graphs rather than tables. For more information, see http://neo4j.org.

JSON Template Layout is a customizable, efficient, and garbage-free JSON generating Apache Log4j layout. It encodes log events according to the structure described by the JSON template provided.

Asynchronous HTTP/2 RPC/REST client/server library built on top of Java 8, Netty, Thrift and gRPC (armeria)