A class loader framework

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

The Apache Commons FileUpload Javax component provides a simple yet flexible means of adding support for multipart

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

JUnit Jupiter is the API for writing tests using JUnit 5.

Implementation for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage ...

Excalibur's Logkit package

OGNL - Core module of Object Graph Navigation Library

Looks up localised messages from resource bundles, with a default bundle and

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

The Plexus IoC container API and its default implementation.

A component which provides Apache Velocity templating engine integration

Java Servlet is the foundation web specification in the Java Enterprise Platform. Developers can build web applications ...

Apache Velocity is a general purpose template engine.