The Apache Commons Collections package contains types that extend and augment the Java Collections Framework.

Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are ...

Apache Commons Logging is a thin adapter allowing configurable bridging to other,

HSQLDB - Lightweight 100% Java SQL Database Engine

Contains the core Apache Derby database engine, which also includes the embedded JDBC driver.

The Plexus IoC container API and its default implementation.

A collection of various utility classes to ease working with strings, files, command lines and

An XSLT processor for transforming XML documents into other formats using XSL stylesheets.

Collection of standard XML processing interfaces including DOM, SAX, and JAXP, providing foundational APIs for XML ...