From Fedora Project Wiki
| Package | Description | Owner | Latest in Rawhide | Latest Upstream | Status |
|---|---|---|---|---|---|
| Attributes | Runtime API to metadata attributes such as doclet tags. | N/A | N/A | 2.2 |  |
| BeanUtils | Easy-to-use wrappers around the Java reflection and introspection APIs. | sochotni | 1.8.3 | 1.8.3 |  |
| Betwixt | Services for mapping JavaBeans to XML documents, and vice versa. | N/A | N/A | 0.8 | |
| Chain | Chain of Responsibility pattern implemention. | N/A | N/A | 1.2 | |
| CLI | Command Line arguments parser. | spike | 1.2 | 1.2 | |
| Codec | General encoding/decoding algorithms (for example phonetic, base64, URL). | mbooth | 1.4 | 1.4 | |
| Collections | Extends or augments the Java Collections Framework. | carl | 3.2.1 | 3.2.1 | |
| Compress | Defines an API for working with tar, zip and bzip2 files. | red | 1.0 | 1.1 |  |
| Configuration | Reading of configuration/preferences files in various formats. | sochotni | 1.6 | 1.6 | |
| Daemon | Alternative invocation mechanism for unix-daemon-like java code. | sochotni | 1.0.3 | 1.0.3 | |
| DBCP | Database connection pooling services. | spike | N/A | 1.4 |  |
| DbUtils | JDBC helper library. | N/A | N/A | 1.3 | |
| Digester | XML-to-Java-object mapping utility. | mbooth | 1.8.1 | 2.1 | |
| Discovery | Tools for locating resources by mapping service/reference names to resource names. | sochotni | 0.4 | 0.4 | |
| EL | Interpreter for the Expression Language defined by the JSP 2.0 specification. | sochotni | 1.0 | 1.0 | |
| Library for sending e-mail from Java. | N/A | N/A | 1.2 | | |
| Exec | API for dealing with external process execution and environment management in Java. | melmorabity | 1.0.1 | 1.1 | |
| FileUpload | File upload capability for your servlets and web applications. | sochotni | 1.2.2 | 1.2.2 | |
| IO | Collection of I/O utilities. | sochotni | 2.0 | 2.0 | |
| JCI | Java Compiler Interface | N/A | N/A | 1.0 | |
| Jelly | XML based scripting and processing engine. | N/A | N/A | 1.0 | |
| Jexl | Expression language which extends the Expression Language of the JSTL. | orion | 2.0.1 | 2.0.1 | |
| JXPath | Utilities for manipulating Java Beans using the XPath syntax. | sochotni | 1.3 | 1.3 | |
| Lang | Provides extra functionality for classes in java.lang. | sochotni | 2.5 | 2.5 | |
| Launcher | Cross platform Java application launcher. | mbooth | 1.1-5.20100521svn936225 | 1.1 | |
| Logging | Wrapper around a variety of logging API implementations. | sochotni | 1.1.1 | 1.1.1 | |
| Math | Lightweight, self-contained mathematics and statistics components. | melmorabity | 2.0 | 2.1 | |
| Modeler | Mechanisms to create Model MBeans compatible with JMX specification. | spike | N/A | 2.0.1 | |
| Net | Collection of network utilities and protocol implementations. | sochotni | 2.0 | 2.0 | |
| Pool | Generic object pooling component. | spike | N/A | 1.5.5 | |
| Primitives | Smaller, faster and easier to work with types supporting Java primitive types. | N/A | N/A | 1.0 | |
| Proxy | Library for creating dynamic proxies. | N/A | N/A | 1.0 | |
| Sanselan | A pure-Java image library. | N/A | N/A | 0.97 | |
| SCXML | An implementation of the State Chart XML specification aimed at creating and maintaining a Java SCXML engine. It is capable of executing a state machine defined using a SCXML document, and abstracts out the environment interfaces. | N/A | N/A | 0.9 | |
| Transaction | Implementations for multi level locks, transactional collections and transactional file access. | N/A | N/A | 1.2 | |
| Validator | Framework to define validators and validation rules in an xml file. | spike | 1.3.1 | 1.3.1 | |
| VFS | Virtual File System component for treating files, FTP, SMB, ZIP and such like as a single logical file system. | N/A | N/A | 1.0 | |