General data-binding functionality for Jackson: works on core streaming API

The Expression Language (EL) API used for accessing and manipulating application data in web applications.

An API for JavaServer Pages (JSP), supporting dynamic web page creation with embedded Java code.

Java APIs for XML based RPC

SAAJ API

AOP Alliance

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

HTTPClient provides an efficient, up-to-date, and feature-rich package implementing the client side of the most recent ...

Legacy version of Log4J logging framework. Log4J 1 has reached its end of life and is no longer officially supported. ...

A complete, Java-based solution for accessing, manipulating,

Spring Context provides access to configured objects like a registry (a context). It inherits its features from Spring ...

Basic building block for Spring that in conjunction with Spring Beans provides dependency injection and IoC features.

The Java Portlet API version 3.0 developed by the Java Community Process JSR-362 Expert Group.

API for Jakarta Servlet, enabling web applications to handle HTTP requests and responses through a standard interface ...

High level API to generate and transform Java byte code.

EasyMock provides an easy way to create Mock Objects for interfaces and classes generating them on the fly

JUnit is a unit testing framework to write and run repeatable automated tests on Java. It provides a robust environment ...