Jxl is a super project containing many interrelated projects.

See:
Description

Packages

jxl.binding	Binding is a object persistence library similary to java.util.Preferences.
jxl.combination	Combination exposes the Binding persistence system as familiar Collections classes.
jxl.enclosure	Enclosure is a deployment system, app launcher and security manager.
jxl.enclosure.loader	Classes responsible for managing modules and class-loading.
jxl.enclosure.peer	Classes that enable dynamic download and install of needed modules.
jxl.enclosure.security	Dynamic security implementation that allows customized permission granting (or denying!).
jxl.enclosure.security.gui	Gui classes that control the security system.
jxl.enclosure.superstatic	Superstatic frontend that ensures only one instance of enclosure is running on the system at any time.
jxl.enshell	A Java scripting language designed with security and ease of use in mind.
jxl.enshell.tree	A small gui to display the expression tree build by xlp.
jxl.install	Install is a simple library to collect and record a directory to persist data.
jxl.jxta	Simple helper classes to perform common jxta related functions.
jxl.peermi	An extention of the standard RMI classes to enable true p2p, bidi rmi.
jxl.search	Search is a simple, and powerful interface to the idea of object searching.
jxl.superstatic	Superstatic is a simple library that expands staic across multiple vm's.
jxl.terminal	A simple gui terminal and interpreter interface.
jxl.uberjar	Uberjar is a tool to generate executable, compound jars.
jxl.util	Utility classes use by nearly every other sub-project.
jxl.vague	Vague persists simple or nested bean property data without requiring a bean implementation.
jxl.version	An implementation of versions and version ranges based on a mathmatical number line.
jxl.xlp	Xlp is a language parser factory.

Jxl is a super project containing many interrelated projects. Some are libraries some are applications. The general focus of the jxl project is to make using java easier.