Commons VFS provides a single API for accessing various different file systems. It presents a uniform view of the files from various different sources, such as the files on local disk, on an HTTP server, or inside a Zip archive.

Java Message Service (JMS) API is used to send messages messages between two or more clients. It is a messaging standard that allows application components to create, send, receive, and read messages.

jsch-agent-proxy is a proxy program to OpenSSH's ssh-agent and Pageant included in Putty. This component contains an implementation of USocketFactory using JNA (Java Native Access).

This package contains the base build API for maven and a default implementation of it. This API is about scanning files in a project and determining what files need to be rebuilt.

This package is a library to help creating CLI around Plexus components.

This package provides a library of matcher objects (also known as constraints or predicates) allowing match rules to be defined declaratively, to be used in other frameworks. Typical scenarios include testing frameworks, mocking libraries and UI validation rules.

This package is the Plexus Security Dispatcher Component. This component decrypts a string passed to it.

OSGi, for Open Services Gateway initiative framework, is a module system and service platform for the Java programming language. This package contains bundle tracking utility classes.

Args4j is a small Java class library that makes it easy to parse command line options/arguments in your CUI application.

Commons-dbcp allows you to share a pool of database connections between users. Creating a new connection for each user can be time consuming and even unfeasible when the number of simultaneous users is very large. This package provides a way to share a poole of connections to reduce that load.

Stax2 API is an extension to basic Stax 1.0 API that adds significant new functionalities, such as full-featured bi-direction validation interface and high-performance Typed Access API.

PowerMock is a framework that extends other mock libraries such as EasyMock with more powerful capabilities. PowerMock uses a custom classloader and bytecode manipulation to enable mocking of static methods, constructors, final classes and methods, private methods, removal of static initializers and more. By using a custom classloader no changes need to be done to the IDE or continuous integration servers which simplifies adoption.

Modello Java Plugin generates Java objects for the model.

This package provides the Eclipse core file system with the module org.eclipse.core.filesystem.

OSGi, for Open Services Gateway initiative framework, is a module system and service platform for the Java programming language. This package contains a repository service that contains resources.

JMock is a library that supports test-driven development of Java code with mock objects. Mock objects help you design and test the interactions between the objects in your programs.

The jMock library

• makes it quick and easy to define mock objects

• lets you precisely specify the interactions between your objects, reducing the brittleness of your tests

• plugs into your favourite test framework

• is easy to extend.

OpenJFX is a client application platform for desktop, mobile and embedded systems built on Java. Its goal is to produce a modern, efficient, and fully featured toolkit for developing rich client applications. This package contains base classes for the OpenJFX distribution.

Plexus interpolator is a modular, flexible interpolation framework for the expression language style commonly seen in Maven, Plexus, and other related projects.

It has its foundation in the org.codehaus.plexus.utils.interpolation package within plexus-utils, but has been separated in order to allow these two libraries to vary independently of one another.

Pax Exam creates OSGi bundles for testing purposes. It lets the user take control of the OSGi framework, the test framework (e.g. JUnit) and the system under test at the same time.

OpenJFX is a client application platform for desktop, mobile and embedded systems built on Java. Its goal is to produce a modern, efficient, and fully featured toolkit for developing rich client applications. This package contains media-related classes for the OpenJFX distribution.

Eclipse LSP4J provides Java bindings for the Language Server Protocol and the Debug Adapter Protocol. This package is a common definition intended to be inherited by other packages.

OSGi, for Open Services Gateway initiative framework, is a module system and service platform for the Java programming language. This package contains the OSGi Core module.

Gson is a Java library that can be used to convert Java Objects into their JSON representation. It can also be used to convert a JSON string to an equivalent Java object. Gson can work with arbitrary Java objects including pre-existing objects that you do not have source-code of.

The byte code generation library CGLIB is a high level API to generate and transform Java byte code.