$ java-config -l
[db] The java bindings for berkeley db version 4.2.52 (/usr/share/db/package.env)
[bsh] BeanShell: A small embeddable Java source interpreter (/usr/share/bsh/package.env)
[jta] The Java Transaction API (old and only really needed to build tomcat) (/usr/share/jta/package.env)
[msv] The Sun Multi-Schema XML Validator (MSV) is a Java technology tool to validate XML documents against several kinds of XML schemata. (/usr/share/msv/package.env)
[struts-legacy] Jakarta Struts Legacy Library (/usr/share/struts-legacy/package.env)
[bcel] The Byte Code Engineering Library: analyze, create, manipulate Java class files (/usr/share/bcel/package.env)
[jsch] JSch is a pure Java implementation of SSH2. (/usr/share/jsch/package.env)
[xpp2] Xml Pull Parser (in short XPP) is a streaming pull XML parser and should be used when there is a need to process quickly and efficiently all input elements (for example in SOAP processors) (/usr/share/xpp2/package.env)
[xpp3] An implementation of XMLPULL V1 API. (/usr/share/xpp3/package.env)
[jdom-1.0_beta9] Java API to manipulate XML data (/usr/share/jdom-1.0_beta9/package.env)
[libreadline-java] A JNI-wrapper to GNU Readline. (/usr/share/libreadline-java/package.env)
[rhino-1.5] Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users (/usr/share/rhino-1.5/package.env)
[xerces-1.3] The next generation of high performance, fully compliant XML parsers in the Apache Xerces family (/usr/share/xerces-1.3/package.env)
[sun-javamail-bin] A Java-based framework to build multiplatform mail and messaging applications. (/usr/share/sun-javamail-bin/package.env)
[antlr] A parser generator for C++, C#, Java, and Python (/usr/share/antlr/package.env)
[commons-collections] Jakarta-Commons Collections Component (/usr/share/commons-collections/package.env)
[gjdoc] A javadoc compatible Java source documentation generator. (/usr/share/gjdoc/package.env)
[jaxen] A Java XPath Engine (/usr/share/jaxen/package.env)
[jaxme] JaxMe 2 is an open source implementation of JAXB, the specification for Java/XML binding. (/usr/share/jaxme/package.env)
[jboss] Client side libraries for JBoss (/usr/share/jboss/package.env)
[jrexx] Regular expression API for textual pattern matching based on the finite state automaton theory. (/usr/share/jrexx/package.env)
[junit] Simple framework to write repeatable tests (/usr/share/junit/package.env)
[jzlib] JZlib is a re-implementation of zlib in pure Java. (/usr/share/jzlib/package.env)
[log4j] A low-overhead robust logging package for Java (/usr/share/log4j/package.env)
[ant-core] Java-based build tool similar to 'make' that uses XML configuration files. (/usr/share/ant-core/package.env)
[trove] GNU Trove: High performance collections for Java. (/usr/share/trove/package.env)
[xalan] XSLT processor (/usr/share/xalan/package.env)
[xmldb] Java implementation for specifications made by XML:DB. (/usr/share/xmldb/package.env)
[xml-commons] Jakarta project for for XML bindings for java (/usr/share/xml-commons/package.env)
[dom4j-1] Easy to use, open source library for working with XML, XPath and XSLT on the Java platform using the Java Collections Framework and with full support for DOM, SAX and JAXP. (/usr/share/dom4j-1/package.env)
[saxpath] A Simple API for XPath. (/usr/share/saxpath/package.env)
[commons-net] The purpose of the library is to provide fundamental protocol access, not higher-level abstractions. (/usr/share/commons-net/package.env)
[xjavac-1] The implementation of the javac compiler for IBM JDK 1.4 (needed for xerces-2) (/usr/share/xjavac-1/package.env)
[struts-1.1] A powerful Model View Controller Framework for JSP/Servlets (/usr/share/struts-1.1/package.env)
[werken-xpath] W3C XPath-Rec implementation for DOM4J (/usr/share/werken-xpath/package.env)
[jakarta-regexp-1.3] 100% Pure Java Regular Expression package (/usr/share/jakarta-regexp-1.3/package.env)
[commons-logging] The Jakarta-Commons Logging package is an ultra-thin bridge between different logging libraries. (/usr/share/commons-logging/package.env)
[concurrent-util] Doug Lea's concurrency utilities provide standardized, efficient versions of utility classes commonly encountered in concurrent Java programming. (/usr/share/concurrent-util/package.env)
[commons-daemon] Tools to allow java programs to run as unix daemons (/usr/share/commons-daemon/package.env)
[qdox-1.6] Parser for extracting class/interface/method definitions from source files with JavaDoc tags. (/usr/share/qdox-1.6/package.env)
[exolabtools] Exolab Build Tools (/usr/share/exolabtools/package.env)
[sun-jms] The Java Message Service (JMS) API is a messaging standard that allows application components to create, send, receive, and read messages. (/usr/share/sun-jms/package.env)
[sun-jmx] Java Management Extensions for managing and monitoring devices, applications, and services. (/usr/share/sun-jmx/package.env)
[velocity] A Java-based template engine that allows easy creation/rendering of documents that format and present data. (/usr/share/velocity/package.env)
[commons-modeler] A lib to make the setup of Java Management Extensions easier (/usr/share/commons-modeler/package.env)
[commons-fileupload] The Commons FileUpload package makes it easy to add robust, high-performance, file upload capability to your servlets and web applications. (/usr/share/commons-fileupload/package.env)
[exolabcore] Exolab Build Tools (/usr/share/exolabcore/package.env)
[sun-jaf-bin] Sun's JavaBeans Activation Framework (JAF) (/usr/share/sun-jaf-bin/package.env)
[xml-commons-external-1.3] Thirdparty libraries for xml-commons (/usr/share/xml-commons-external-1.3/package.env)
[iso-relax] Interfaces usefull for applications which support RELAX Core (/usr/share/iso-relax/package.env)
[servletapi-2.2] Servlet API 2.2 from jakarta.apache.org (/usr/share/servletapi-2.2/package.env)
[servletapi-2.3] Servlet API 2.3 from jakarta.apache.org (/usr/share/servletapi-2.3/package.env)
[servletapi-2.4] Servlet API 5 from jakarta.apache.org (/usr/share/servletapi-2.4/package.env)
[hsqldb] HSQLDB is the leading SQL relational database engine written in Java. (/usr/share/hsqldb/package.env)
[commons-dbcp] Jakarta component providing database connection pooling API (/usr/share/commons-dbcp/package.env)
[commons-lang] Jakarta components to manipulate core java classes (/usr/share/commons-lang/package.env)
[commons-pool] Jakarta-Commons component providing general purpose object pooling API (/usr/share/commons-pool/package.env)
[javacc] Java Compiler Compiler (/usr/share/javacc/package.env)
[jdbm-1] Jdbm aims to be for Java what GDBM is for Perl, Python, C, ... (/usr/share/jdbm-1/package.env)
[commons-httpclient] The Jakarta Commons HttpClient provides an efficient, up-to-date, and feature-rich package implementing the client side of the most recent HTTP standards and recommendations. (/usr/share/commons-httpclient/package.env)
[jsr173] The Streaming API for XML (StAX) is a groundbreaking new Java API for parsing and writing XML easily and efficiently (/usr/share/jsr173/package.env)
[jython] An implementation of Python written in Java (/usr/share/jython/package.env)
[avalon-framework-4.2] Avalon Framework (/usr/share/avalon-framework-4.2/package.env)
[libidn] Internationalized Domain Names (IDN) implementation (/usr/share/libidn/package.env)
[javassist-2] Javassist makes Java bytecode manipulation simple. (/usr/share/javassist-2/package.env)
[ant-tasks] Apache ANT Optional Tasks Jar Files (/usr/share/ant-tasks/package.env)
[xml-commons-resolver] xml-commons is focussed on common code and guidelines for xml projects. (/usr/share/xml-commons-resolver/package.env)
[avalon-logkit-1.2] LogKit is an easy-to-use Java logging toolkit designed for secure, performance-oriented logging. (/usr/share/avalon-logkit-1.2/package.env)
[avalon-logkit-2.0] Easy-to-use Java logging toolkit (/usr/share/avalon-logkit-2.0/package.env)
[checkstyle] A development tool to help programmers write Java code that adheres to a coding standard. (/usr/share/checkstyle/package.env)
[tomcat-5] Apache Servlet-2.4/JSP-2.0 Container (/usr/share/tomcat-5/package.env)
[xerces-2] The next generation of high performance, fully compliant XML parsers in the Apache Xerces family (/usr/share/xerces-2/package.env)
[relaxng-datatype] Interface between RELAX NG validators and datatype libraries (/usr/share/relaxng-datatype/package.env)
[xsdlib] The Sun Multi-Schema XML Validator is a Java tool to validate XML documents against several kinds of XML schemata. (/usr/share/xsdlib/package.env)
[gnu-crypto] GNU Crypto cryptographic primitives for Java (/usr/share/gnu-crypto/package.env)
[commons-launcher] Commons-launcher eliminates the need for a batch or shell script to launch a Java class. (/usr/share/commons-launcher/package.env)
[cyrus-sasl-2] The Cyrus SASL (Simple Authentication and Security Layer) (/usr/share/cyrus-sasl-2/package.env)
[commons-validator] Jakarta component to validate user input, or data input (/usr/share/commons-validator/package.env)
[commons-cli-1] The CLI library provides a simple and easy to use API for working with the command line arguments and options. (/usr/share/commons-cli-1/package.env)
[bluej-bin] BlueJ is an integrated Java environment specifically designed for introductory teaching. (/usr/share/bluej-bin/package.env)
[javacup] CUP Parser Generator for Java (/usr/share/javacup/package.env)
[cdegroot-db-1] OO database written in Java (/usr/share/cdegroot-db-1/package.env)
[commons-beanutils-1.6] Provides easy-to-use wrappers around Reflection and Introspection APIs (/usr/share/commons-beanutils-1.6/package.env)
[commons-beanutils-1.7] Provides easy-to-use wrappers around Reflection and Introspection APIs (/usr/share/commons-beanutils-1.7/package.env)
[jdepend] JDepend traverses Java class file directories and generates design quality metrics for each Java package. (/usr/share/jdepend/package.env)
[commons-el] EL is the JSP 2.0 Expression Language Interpreter from Apache. (/usr/share/commons-el/package.env)
[junitperf] Simple framework to write repeatable tests (/usr/share/junitperf/package.env)
[bsf-2.3] Bean Script Framework (/usr/share/bsf-2.3/package.env)
[commons-digester] Reads XML configuration files to provide initialization of various Java objects within the system. (/usr/share/commons-digester/package.env)
[jakarta-oro-2.0] A set of text-processing Java classes that provide Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions, and utility classes for performing substitutions, splits, filtering filenames, etc. (/usr/share/jakarta-oro-2.0/package.env)