A fast SQL database that can run embedded or a server mode with support for transactions, encryption, full search, etc. Storage can be disk-based or in-memory.

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.

Spark SQL is Apache Spark's module for working with structured data based on DataFrames.

The MyBatis SQL mapper framework makes it easier to use a relational database with object-oriented applications. MyBatis couples objects with stored procedures or SQL statements using a XML descriptor or annotations.

Package with classes and convenience methods that assist with functional testing of Play applications.

The Apache Commons CSV library provides a simple interface for reading and writing CSV files of various types.

Spring Data module for JPA repositories.

Microsoft JDBC Driver for SQL Server.

The core module of Undertow, a lightweight and high-performance web server for Java.

Core Hazelcast Module

Reload4j revives EOLed log4j 1.x