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The dev-java category contains libraries and utilities relevant to the Java programming language.

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absolutelayout AbsoluteLayout files extracted from Netbeans
annogen A tool which helps you work with JSR175 annotations
ant Java-based build tool similar to 'make' that uses XML configuration files
ant-antlr Apache Ant's optional tasks for Antlr
ant-apache-bcel Apache Ant's optional tasks depending on bcel
ant-apache-bsf Apache Ant's optional tasks depending on bsf-2.3
ant-apache-log4j Apache Ant's optional tasks depending on log4j
ant-apache-oro Apache Ant's optional tasks depending on jakarta-oro-2.0
ant-apache-regexp Apache Ant's optional tasks depending on jakarta-regexp-1.4
ant-apache-resolver Apache Ant's optional tasks depending on xml-commons-resolver
ant-apache-xalan2 Apache Ant's optional tasks depending on xalan
ant-commons-logging Apache Ant's optional tasks depending on commons-logging
ant-commons-net Apache Ant's optional tasks depending on commons-net
ant-contrib A collection of tasks (and at one point maybe types and other tools) for Apache Ant
ant-core Java-based build tool similar to 'make' that uses XML configuration files
ant-eclipse-ecj Ant Compiler Adapter for Eclipse Java Compiler
ant-ivy Ivy is a free java based dependency manager
ant-jai Apache Ant's optional tasks depending on sun-jai-bin
ant-javamail Apache Ant's optional tasks depending on --virtual oracle-javamail
ant-jdepend Apache Ant's optional tasks depending on jdepend
ant-jmf Apache Ant's optional tasks for the Java Media Framework (JMF)
ant-jsch Apache Ant's optional tasks depending on jsch
ant-junit Apache Ant's optional tasks depending on junit
ant-junit4 Apache Ant's optional tasks depending on junit-4
ant-nodeps Formerly Ant's optional tasks w/o external deps, now compat empty jar
ant-owanttask ObjectWeb's Ant tasks
ant-swing Apache Ant's optional tasks for Swing
ant-testutil Apache Ant's optional test utility classes
ant-trax Apache Ant .jar with optional tasks depending on XML transformer (Deprecated!)
antlr A parser generator for C++, C#, Java, and Python
aopalliance Aspect-Oriented Programming (AOP) Alliance classes
appframework A small set of Java classes that simplify building desktop applications
apple-java-extensions-bin A pluggable jar of stub classes representing the new Apple eAWT and eIO APIs for Java on Mac OS X
apple-jdk-bin Links to Apple's version of Sun's J2SE Development Kit
apt-mirror Annotation processing apt mirror API introduced in J2SE 5.0
args4j args4j is a Java command line arguments parser
asm Bytecode manipulation framework for Java
aspectj A seamless aspect-oriented extension to the Java programming language
avalon-framework Avalon Framework
avalon-logkit Easy-to-use Java logging toolkit
backport-util-concurrent A portability wrapper for java.util.concurrent API (jsr166) 6.0
balloontip A balloon tip component to spice up your Java Swing applications
batik Java based SVG toolkit
bcel The Byte Code Engineering Library: analyze, create, manipulate Java class files
bcmail Java cryptography APIs
bcpg Java cryptography APIs
bcpkix Java cryptography APIs
bcprov Java cryptography APIs
bctsp Java cryptography APIs
beansbinding Implementation of JSR295
blowfishj Blowfish implementation in Java
bnd-junit Junit plugin for bndlib, a swiss army knife for OSGi
bndlib A swiss army knife for OSGi
boilerpipe Boilerplate Removal and Fulltext Extraction from HTML pages
browserlauncher2 BrowserLauncher2 is a library that facilitates opening a browser from a Java application
bsf Bean Script Framework
bsh BeanShell: A small embeddable Java source interpreter
byaccj A java extension of BSD YACC-compatible parser generator
bytecode Biojava bytecode manipulation library
bytelist JRuby support library
c3p0 Library for augmenting traditional (DriverManager-based) JDBC drivers with JNDI-bindable DataSources
cacao Cacao Java Virtual Machine
cal10n java library for writing localized messages using resource bundle
castor Data binding framework for Java
cdegroot-db OO database written in Java
cdi-api Contexts and Dependency Injection for the Java EE platform
cglib cglib is a powerful, high performance and quality Code Generation Library
charva A Java Windowing Toolkit for Text Terminals
classmate Library for introspecting generic type information of types, member/static methods, fields
cldc-api Java ME Connected Limited Device Configuration API
codemodel Java library for code generators
cofoja Contracts for Java
colt A set of Open Source Libraries for High Performance Scientific and Technical Computing in Java
commons-attributes Commons Attributes enables Java programmers to use C#/.Net-style attributes in their code
commons-beanutils Provides easy-to-use wrappers around Reflection and Introspection APIs
commons-betwixt Introspective Bean to XML mapper
commons-chain API exposing the Chain of Responsability design pattern - by the ASF
commons-cli A Java library for working with the command line arguments and options
commons-codec Implementations of common encoders and decoders in Java
commons-collections Jakarta-Commons Collections Component
commons-compress Commons Compress defines an API for working with ar, cpio, tar, zip, gzip and bzip2 files
commons-configuration Generic interface for reading configuration data from a variety of sources
commons-daemon Tools to allow Java programs to run as UNIX daemons
commons-dbcp Jakarta component providing database connection pooling API
commons-dbutils A small set of classes designed to make working with JDBC easier
commons-digester Reads XML configuration files to provide initialization of various Java objects within the system
commons-discovery Commons Discovery: Service Discovery component
commons-el EL is the JSP 2.0 Expression Language Interpreter from Apache
commons-email Commons Email aims to provide an API for sending email.
commons-fileupload Add robust, high-performance, file upload capability to your servlets and web applications
commons-grant A small collection of hacks to make using Ant in an embedded envinronment much easier
commons-graph A toolkit for managing graphs and graph based data structures
commons-httpclient The Jakarta Commons HttpClient library
commons-io Commons-IO contains utility classes, stream implementations, file filters, and endian classes
commons-jelly A Java and XML based scripting and processing engine
commons-jexl Expression language engine, can be embedded in applications and frameworks
commons-jxpath Applies XPath expressions to graphs of objects of all kinds
commons-lang Commons components to manipulate core java classes
commons-launcher Commons-launcher eliminates the need for a batch or shell script to launch a Java class
commons-logging The Jakarta-Commons Logging package is an ultra-thin bridge between different logging libraries
commons-math Lightweight, self-contained mathematics and statistics components
commons-modeler A lib to make the setup of Java Management Extensions easier
commons-net The purpose of the library is to provide fundamental protocol access, not higher-level abstractions
commons-pool Provides general purpose object pooling API
commons-primitives The Jakarta-Commons Primitives Component
commons-transaction A library of utility classes commonly used in transactional Java programming
commons-validator Commons component to validate user input, or data input
commons-vfs A single API for accessing various different file systems
concurrent-util Utility classes commonly encountered in concurrent Java programming
constantine Provides Java values for common platform C constants
cortado Multimedia framework for Java written by Fluendo
cos The com.oreilly.servlet package is a class library for servlet developers
cpptasks Ant-tasks to compile various source languages and produce executables, shared and static libraries
css-validator Check Cascading Style Sheets (CSS) and (X)HTML documents with style sheets
cssparser API for parsing CSS 2 in Java
db4o-jdk11 Core files for the object database for java
db4o-jdk12 Core files for the object database for java
db4o-jdk5 Core files for the object database for java
dbunit DbUnit is a JUnit extension targeted for database-driven projects
dbus-java Java bindings for the D-Bus messagebus
dict4j Dict protocol implementation in Java
disruptor High Performance Inter-Thread Messaging Library
dnsjava An implementation of DNS in Java
dom4j Java library for working with XML
dsiutils A Mish Mash of classes that were initially distributed with mg4j (amount others)
dtdparser A Java DTD Parser
dynalang Library for implementation of interoperable metaobject protocols for dynamic languages
easymock Provides Mock Objects for interfaces in JUnit tests by generating them on the fly
easymock-classextension Provides Mock Objects for interfaces in JUnit tests by generating them on the fly
easyneurons GUI neural network editor for neuroph
echo2 Echo2 is the next-generation of the Echo Web Framework
ecj-gcj A subset of Eclipse Compiler for Java compiled by gcj, serving as javac in gcj-jdk
eclipse-ecj Eclipse Compiler for Java
eclipsito A small subset of Eclipse core libraries for modular applications
ecs Java library to generate markup language text such as HTML and XML
edtftpj FTP client library written in Java
ehcache Ehcache is a pure Java, fully-featured, in-process cache
emma a free Java code coverage tool
fastinfoset Fast Infoset specifies a standardized binary encoding for the XML Information Sets
fastutil Provides faster type-specific maps, sets and lists with a small memory footprint
fec Forword error correction libs
felix-bundlerepository Felix Bundle Repository
felix-gogo-command Felix Gogo Command
felix-gogo-runtime Felix Gogo Runtime
felix-shell Felix Shell
felix-utils Felix Utils
flute Flute is an implementation for SAC
flyingsaucer 100% Java XHTML+CSS renderer
fontbox An open source Java library for parsing font files
fop Formatting Objects Processor is a print formatter driven by XSL
forehead A framework to assist in controlling the run-time ClassLoader
freehep-export High Energy Physics Java library - FreeHEP Export and Save As Library
freehep-graphics2d High Energy Physics Java library - FreeHEP Graphics 2D Library
freehep-graphicsio High Energy Physics Java library - FreeHEP GraphicsIO Base Library
freehep-graphicsio-emf High Energy Physics Java library - FreeHEP Enhanced Metafile Format Driver
freehep-graphicsio-java High Energy Physics Java library - FreeHEP Java Driver
freehep-graphicsio-pdf High Energy Physics Java library - FreeHEP Portable Document Format Driver
freehep-graphicsio-ps High Energy Physics Java library - FreeHEP (Encapsulated) PostScript Driver
freehep-graphicsio-svg High Energy Physics Java library - FreeHEP Scalable Vector Graphics Driver
freehep-graphicsio-swf High Energy Physics Java library - FreeHEP SWF (Flash) Driver
freehep-graphicsio-tests High Energy Physics Java library - FreeHEP GraphicsIO Test Library
freehep-io High Energy Physics Java library - FreeHEP I/O Library
freehep-mcfio High Energy Physics Java library - FreeHEP MCFIO Library
freehep-misc-deps High Energy Physics Java library
freehep-parameterdatabase High Energy Physics Java library - FreeHEP Parameter and Settings Database
freehep-record High Energy Physics Java library - FreeHEP Record Manipulation Library
freehep-rootio High Energy Physics Java library - FreeHEP ROOT IO Reader and Writer
freehep-rtti High Energy Physics Java library - Runtime Type Identification Object Model and API
freehep-sio High Energy Physics Java library - FreeHEP SIO Library
freehep-stdhep High Energy Physics Java library - FreeHEP STDHep IO Library
freehep-swing High Energy Physics Java library - FreeHEP Swing Extensions
freehep-util High Energy Physics Java library - FreeHEP Utility Library
freehep-xdr High Energy Physics Java library - FreeHEP XDR Library
freehep-xml High Energy Physics Java library - FreeHEP XML Library
freemarker FreeMarker is a template engine; a generic tool to generate text output based on templates
fscript Java based scripting engine designed to be embedded into other Java applications
gcj-jdk Java wrappers around GCJ
gjdoc A javadoc compatible Java source documentation generator
glassfish-connector-api Java Transaction API
glassfish-deployment-api J2EE Application Deployment Specification
glassfish-ejb-api Project GlassFish Enterprise JavaBean API
glassfish-interceptor-api Project GlassFish Interceptor API
glassfish-jms-api Java Transaction API
glassfish-persistence Glassfish implementation of persistence API
glassfish-servlet-api Glassfish reference implementation of Servlet API 2.5 and JSP API 2.1
glassfish-transaction-api Java Transaction API
glassfish-xmlrpc-api Project GlassFish XML RPC API
glazedlists A toolkit for list transformations
gnu-classpath Free core class libraries for use with virtual machines and compilers for the Java language
gnu-classpath-inetlib Network extensions library for GNU classpath and classpathx
gnu-crypto GNU Crypto cryptographic primitives for Java
gnu-hylafax Java API designed to implement the client protocol portion of the hfaxd server
gnu-jaf GNU implementation of the JavaBeans Activation Framework
gnu-javamail GNU implementation of the Javamail API
gnu-regexp GNU regular expression package for Java
groovy Groovy is a high-level dynamic language for the JVM
gson Java library to convert JSON to Java objects and vice-versa
guava A collection of Google's core Java libraries
guice Guice is a lightweight dependency injection framework for Java 5 and above
hamcrest-core Core library of matchers for building test expressions
hamcrest-generator Code generator for Hamcrest's library of matchers for building test expressions
hamcrest-integration Integration library of hamcrest
hamcrest-library Core library of matchers for building test expressions
hawtjni-runtime A JNI code generator based on the generator used by the Eclipse SWT project
headius-options A small library for managing sets of JVM properties
helpgui HelpGUI is a simple library which develop a help viewer component
hessian Binary web service protocol
hibernate A powerful, ultra-high performance object / relational persistence and query service for Java
hibernate-annotations Annotations support for Hibernate
higlayout Java Swing layout manager that's powerful and easy to use
hoteqn Java applet to view and display LaTeX mathematical equations
hp-jdk-bin HP JDK/JRE and Plug-In
htmlcleaner HTML parser written in Java that can be used as a tool, library or Ant task
htmlparser Implementation of the HTML5 parsing algorithm in Java
htmlparser-org Java library used to parse HTML (from htmlparser.org)
httpcomponents-client A low level toolset of Java components focused on HTTP and associated protocols
httpcomponents-core A low level toolset of Java components focused on HTTP and associated protocols
ibm-jdk-bin IBM Java SE Development Kit
ibm-jre-bin IBM Java SE Runtime Environment
ical4j a Java library for handling iCalendar data streams
icedtea A harness to build OpenJDK using Free Software build tools and dependencies
icedtea-bin A Gentoo-made binary build of the IcedTea JDK
icedtea-sound Plugins for javax.sound
icedtea-web FOSS Java browser plugin and Web Start implementation
icu4j A set of Java libraries providing Unicode and Globalization support
idm-console-framework A Java Management Console framework used for remote server management
invokebinder Provide a friendly DSL for binding method handles
iso-relax Interfaces useful for applications which support RELAX Core
istack-commons-buildtools IStack Commons - Buildtools jar
istack-commons-runtime IStack Commons - Runtime jar
istack-commons-soimp IStack Commons - Soimp jar
istack-commons-tools IStack Commons - Tools jar
itext Java library that generate documents in the Portable Document Format (PDF) and/or HTML.
j2ssh Java implementation of the SSH protocol
jackrabbit-webdav Fully conforming implementation of the JRC API (specified in JSR 170 and 283)
jackson High-performance JSON processor
jackson-annotations High-performance JSON processor
jackson-databind High-performance JSON processor
jackson-dataformat-xml XML data format extension for Jackson
jackson-dataformat-yaml YAML data format extension for Jackson
jackson-module-jaxb-annotations JAXB alternative to native Jackson annotations
jacl Jacl is an implementation of Tcl written in Java
jad-bin Jad - The fast JAva Decompiler
jade JADE is FIPA-compliant Java Agent Development Environment
jaffl An abstracted interface to invoking native functions from java
jakarta-jstl An implementation of the JSP Standard Tag Library (JSTL)
jakarta-oro A set of text-processing Java classes
jakarta-regexp 100% Pure Java Regular Expression package
jakarta-slide-webdavclient A content repository
jal Partial port of the C++ Standard Template Library
jama A Java Matrix Package
jamon Java API to monitor production applications
jamvm An extremely small and specification-compliant virtual machine
janino An embedded compiler for run-time compilation purposes
jansi Jansi is a small java library that allows you to use ANSI escape sequences in your console output
jansi-native Native JNI component for dev-java/jansi
japitools Java API compatibility testing tools
jarbundler Jar Bundler Ant Task
jarjar Tool for repackaging third-party jars
java-apicheck Command line tool to check Java packages for API compatibility
java-config Java environment configuration query tool
java-config-wrapper Wrapper for java-config
java-dep-check Java Dependency checker
java-getopt Java command line option parser
java-gnome Java bindings for GTK and GNOME
java-sdk-docs Oracle's documentation bundle (including API) for Java SE
java-service-wrapper A wrapper that makes it possible to install a Java Application as daemon
javacc Java Compiler Compiler - The Java Parser Generator
javacsv Java library for reading and writing CSV and plain delimited text files
javacup CUP Parser Generator for Java
javahelp The JavaHelp system online help system
javassist Javassist makes Java bytecode manipulation simple
javatoolkit Collection of Gentoo-specific tools for Java
javax-inject Dependency injection for Java (JSR-330)
javolution Java Solution for Real-Time and Embedded Systems
jax-rpc Reference Implementation of JAX-RPC, the Java APIs for XML based RPC
jax-ws Reference implementation of the Java API for XML Web Services
jax-ws-api JAXWS 2.0 API Final Release
jax-ws-tools Reference implementation of the Java API for XML Web Services
jaxb Reference implementation of the JAXB specification
jaxb-tools Reference implementation of the JAXB specification
jaxen A Java XPath Engine
jaxme JaxMe 2 is an open source implementation of JAXB, the specification for Java/XML binding
jaxp The Java API for XML Processing (JAXP)
jaxr Java API for XML Registries
jazzy Java Spell Check API
jbitcollider-core Core classes of jBitcollider: org.bitpedia.collider.core
jboss-logging JBoss logging framework
jboss-logmanager JBoss logging framework
jboss-marshalling Alternative compatible serialization API that fixes many JDK serialization API problems
jboss-modules JBoss modular classloading system
jcalendar Java date chooser bean for graphically picking a date
jchardet Java port of Mozilla's Automatic Charset Detection algorithm
jcharts jCharts is a 100% Java based charting utility that outputs a variety of charts
jcifs Library that implements the CIFS/SMB networking protocol in Java
jcip-annotations Clean room implementation of the JCIP Annotations
jclasslib A bytecode viewer is a tool
jcmdline Library for parsing/handling of command line parameters
jcodings Byte-based encoding support library for Java
jcommander Command line parsing framework for Java
jcommon JCommon is a collection of useful classes used by JFreeChart, JFreeReport and other projects
jcs JCS is a distributed caching system written in Java for server-side Java applications
jdbc-informix JDBC Type 4 Drivers for Informix
jdbc-jaybird JDBC Type 2 and 4 drivers for Firebird SQL server
jdbc-mssqlserver JDBC driver for Microsoft SQL Server
jdbc-mysql MySQL JDBC driver
jdbc-oracle-bin JDBC 3.0 Drivers for Oracle
jdbc-postgresql JDBC Driver for PostgreSQL
jdbc2-stdext A standard set of libs for Server-Side JDBC support
jdbm Jdbm aims to be for Java what GDBM is for Perl, Python, C, ...
jdepend JDepend traverses Java class file directories and generates design quality metrics per package
jdom Java API to manipulate XML data
jdom-jaxen Jaxen binding for jdom
jdynamite Dynamic Template in Java
jebl Java Evolutionary Biology Library
jempbox An open source Java library for parsing font files
jettison A JSON StAX implementation
jexcelapi A Java API to read, write, and modify Excel spreadsheets
jffi An optimized Java interface to libffi
jflex JFlex is a lexical analyzer generator for Java
jformatstring Compile time checking for Java format strings
jfreechart JFreeChart is a free Java class library for generating charts
jfreesvg JFreeSVG is a fast, light-weight, vector graphics library for the Java platform
jgoodies-animation JGoodies Animation Library
jgoodies-binding A Java library to bind object properties with UI components
jgoodies-common JGoodies Common Library
jgoodies-forms JGoodies Forms Library
jgoodies-looks JGoodies Looks Library
jgraph Open-source graph component for Java
jgrapht Graph library that is a simpler and faster alternative to JGraph
jgroups JGroups is a toolkit for reliable multicast communication
jibx JiBX: Binding XML to Java Code
jibx-tools JiBX: Binding XML to Java Code - Generators
jicmp Java Interface to Tobias Oetiker's RRDtool
jid3 ID3 Class Library Implementation
jigsaw W3 Consortium's Java-based Web server libraries
jikes IBM's open source, high performance Java compiler
jinklevel Java binding for libinklevel
jinput An implementation of an API for game controller discovery and polled input
jisp Java Indexed Serialization Package: A small, embedded database engine written in Pure Java
jlayer MP3 decoder/player/converter library for Java
jlex JLex: a lexical analyzer generator for Java
jlfgr Java(TM) Look and Feel Graphics Repository
jlibeps A java development library which allows the creation of an EPS file from a Graphics2D
jline A Java library for handling console input
jmdns JmDNS is an implementation of multi-cast DNS in Java
jmf-bin The Java Media Framework API (JMF)
jmi-interface Java Metadata Interface Sample Class Interface
jmock Library for testing Java code using mock objects
jna Java Native Access (JNA)
jnlp-api JNLP API classes, repackaged from the icedtea-web fork of netx
jnr-constants A set of platform constants (e.g. errno values)
jnr-enxio Java Native Runtime Enhanced X-platform I/O
jnr-ffi An abstracted interface to invoking native functions from java
jnr-netdb Network services database access for java
jnr-posix Lightweight cross-platform POSIX emulation layer for Java
jnr-unixsocket Unix sockets for Java
jnr-x86asm A pure-java port of asmjit
joda-convert Java library for conversion between Object and String
joda-time A quality open-source replacement for the Java Date and Time classes
joni Java port of the Oniguruma regular expression engine
jopt-simple A Java library for parsing command line options
jortho A Java spell-checking library
jpf Java Plugin Framework - a runtime engine that dynamically discovers and loads plugins
jpfcodegen Generator of classes for accessing the attributes and extensions of JPF plug-ins
jreleaseinfo Ant Task for build-time creation of Java source file with version, build number or other info
jrexx Regular expression API for textual pattern matching based on the finite state automaton theory
jrobin JRobin is a 100% pure Java alternative to RRDTool
jrrd Java Interface to Tobias Oetiker's RRDtool
jruby Java-based Ruby interpreter implementation
jsap Java Simple Arguments Parser (JSAP)
jsch JSch is a pure Java implementation of SSH2
jscience Java Tools and Libraries for the Advancement of Sciences
json-simple Simple Java toolkit for JSON
jsoup Java HTML parser that makes sense of real-world HTML soup
jspeex Speex speech codec library for Java
jsr101 Java(TM) API for XML-Based RPC Specification Interface Classes
jsr173 The Streaming API for XML (StAX) is a Java API for parsing and writing XML easily and efficiently
jsr181 JSR 181 API classes
jsr223 Scripting for the Java(TM) Platform
jsr250 JSR 250 Common Annotations
jsr305 Reference implementation for JSR 305: Annotations for Software Defect Detection in Java
jsr311-api JAX-RS: Java API for RESTful Web Services
jsr67 SAAJ 1.3 (AKA JSR-67 MR3) API
jsr93 Java API for XML Registries (JAXR) - API
jss Network Security Services for Java (JSS)
jstun Java-based STUN implementation
jta The Java Transaction API
jtds jTDS - SQL Server and Sybase JDBC driver
jtidy Tidy is a Java port of HTML Tidy , a HTML syntax checker and pretty printer
jtreemap Java, open-source library for treemapping
juel JUEL is an implementation of the Unified Expression Language (EL), a part of JSP 2.1 (JSR-245)
jump JUMP Ultimate Math Package (JUMP) is a Java-based extensible high-precision math package
jung The Java Universal Network/Graph Framework
junit Simple framework to write repeatable tests
junit-addons JUnit-addons is a collection of helper classes for JUnit
junitperf Simple framework to write repeatable tests
junrar Unrar java implementation
jupidator Jupidator is a library/tool in Java for automatic updating of applications
jusb jUSB provides a Free Software Java API for USB
jutils Common utilities for the Java Game Technology Group
jvmstat Monitoring APIs and tools for monitoring the performance of the JVM in production environments
jvyaml Java YAML parser and emitter
jvyamlb JvYAMLb, YAML processor extracted from JRuby
jython An implementation of Python written in Java
jzlib JZlib is a re-implementation of zlib in pure Java
kryo Fast, efficient Java serialization and cloning
kunststoff Kunststoff Look&Feel
kxml Small XML pull parser for constrained environments such as Applets, Personal Java or MIDP devices
l2fprod-common Java/Swing GUI components and libraries for building desktop applications
laf-plugin A generic plugin framework for look-and-feels
ldapsdk Netscape Directory SDK for Java
libg Lots of small utilities for bndlib, a swiss army knife for OSGi
libmatthew-java A selection of libraries for Java
libmso Java library to detect printers
libreadline-java A JNI-wrapper to GNU Readline
log4j A low-overhead robust logging package for Java
logback A generic, reliable, fast & flexible logging framework for Java
lucene High-performance, full-featured text search engine library written entirely in Java
lucene-analyzers Lucene Analyzers additions
lzma Java code for LZMA compression and decompression
lzmajio Implementations of LzmaInputStream/LzmaOutputStream interacting with underlying LZMA en-/decoders
matrix-toolkits-java BLAS and LAPACK-derived matrix data structures and linear algebra methods
maven-bin Project Management and Comprehension Tool for Java
mchange-commons a library of arguably useful Java utilities
mersennetwister Modified MersenneTwister java port for Freenet
metadata-extractor Metadata extraction framework for Exif and IPTC metadata segments, extraction support for JPEG files
metainf-services Generates META-INF/services files automatically
mg4j A free Java implementation of inverted-index compression technique
microba Swing components for date operations and palettes
miglayout Easy to use yet very powerful Java Swing layout manager
milton-api Milton WebDav library
milton-mail-api Milton WebDav library
mimepull Pull API for parsing MIME messages
mina-core Apache MINA Project
minlog Minimal overhead Java logging
mockito A mocking framework for Java
mojarra Project Mojarra - GlassFish's Implementation for JavaServer Faces API
msv Multi-Schema XML Validator, a Java tool for validating XML documents
mx4j Metapackage for mx4j
mx4j-core Open Source implementation of the JMX and JMX Remote API (JSR 160) specifications
mx4j-tools Optional tool classes and utilities for MX4J
nachocalendar Flexible Calendar component to the Java Platform
nailgun a client, protocol, and server for running Java apps without incurring the JVM startup overhead
nanoxml NanoXML is a small non-validating parser for Java.
nekohtml A simple HTML scanner and tag balancer using standard XML interfaces
netbeans-apisupport Netbeans API Support Cluster
netbeans-cnd Netbeans CND Cluster
netbeans-dlight Netbeans D-Light Cluster
netbeans-enterprise Netbeans Enterprise cluster
netbeans-ergonomics Netbeans Ergonomics Cluster
netbeans-extide Netbeans ExtIDE Cluster
netbeans-groovy Netbeans Groovy Cluster
netbeans-harness Netbeans Harness
netbeans-ide Netbeans IDE Cluster
netbeans-java Netbeans Java Cluster
netbeans-javacard Netbeans JavaCard Cluster
netbeans-javadoc Netbeans JavaDocs
netbeans-javafx Netbeans JavaFX Cluster
netbeans-mobility Netbeans Mobility Cluster
netbeans-nb Netbeans IDE Branding
netbeans-php Netbeans PHP Cluster
netbeans-platform Netbeans Platform
netbeans-profiler Netbeans Profiler Cluster
netbeans-webcommon Netbeans Web Services Cluster
netbeans-websvccommon Netbeans Web Services Common Cluster
netty-buffer Async event-driven framework for rapid development of high performance network applications
netty-codec Async event-driven framework for rapid development of high performance network applications
netty-common Async event-driven framework for rapid development of high performance network applications
netty-handler Async event-driven framework for rapid development of high performance network applications
netty-transport Async event-driven framework for rapid development of high performance network applications
neuroph A lightweight Java neural network framework
objenesis A small Java library with one purpose: To instantiate a new object of a class
odfdom The ODFDOM reference implementation, written in Java
offo-hyphenation Hyphenation patterns for Apache Fop
ognl Object-Graph Navigation Language; an expression language for getting/setting properties of objects
opencsv A very simple csv (comma-separated values) parser library for Java
oracle-javamail A Java-based framework to build multiplatform mail and messaging applications
oracle-jdk-bin Oracle's Java SE Development Kit
oracle-jre-bin Oracle's Java SE Runtime Environment
oscache OSCache is a widely used, high performance J2EE caching framework
osgi-compendium OSGi Service Platform Compendium API (Companion Code)
osgi-core-api OSGi Service Platform Core API (Companion Code)
osgi-enterprise-api OSGi Enterprise Release 5 Companion Code
osgi-foundation OSGi R4 Foundation EE by Apache Felix
osgi-obr OSGi Service OBR by Apache
pat Regular Expressions in Java
pdf-renderer a 100% Java PDF renderer and viewer
pdfbox Java library and utilities for working with PDF documents
piccolo A small, extremely fast XML parser for Java
piccolo2d A Structured 2D Graphics Framework
picocontainer Small footprint Dependency Injection container
plexus-classworlds The class loader framework of the Plexus project
poi Java API To Access Microsoft Format Files
portletapi Portlet API 2.0 developed by the Java Community Process JSR-286
prefuse UI toolkit for building highly interactive visualizations of structured and unstructured data
proguard Free Java class file shrinker, optimizer, and obfuscator
proxool Proxool is a Java connection pool
qdox Parser for extracting class/interface/method definitions
radeox Radeox Wiki render engine
reflectasm High performance Java reflection
reflections Java runtime metadata analysis
relaxng-datatype Interface between RELAX NG validators and datatype libraries
relaxngcc RELAX NG Compiler Compiler
resin-servlet-api Resin Servlet API 3.0/JSP API 2.1 implementation
rhino An open-source implementation of JavaScript written in Java
rngom RNGOM is an open-source Java library for parsing RELAX NG grammars
rome Open source Atom/RSS Java utilities that make it easy to work in Java with most syndication formats
rundoc A Ant helper task for keeping documentation in source files
rxtx Native lib providing serial and parallel communication for Java
saaj SOAP with Attachments API for Java
sablecc Java based compiler / parser generator
sablecc-anttask Ant task for sablecc
sac SAC is a standard interface for CSS parser
sat4j-core Lightweight constraint programming with a SAT solver
sat4j-pseudo Pseudo Boolean solvers
sax Simple API for XML, originally a Java-only API. It was the first widely adopted API for XML in Java
saxon A XSLT and XQuery Processor
saxpath A Simple API for XPath
sblim-cim-client A WBEM services client that includes an IETF RFC 2614 compliant SLP client for CIM service discovery
sbt sbt is a build tool for Scala and Java projects that aims to do the basics well
servletapi Servlet API 2.4 from jakarta.apache.org
shared-objects A Java Class implementing a core factory for maximal sharing of arbitrary objects
simplyhtml Text processing application based on HTML and CSS files
sjsxp The Sun Java Streaming XML Parser (SJSXP) is an efficient implementation of the StAX API
skinlf Skin Look and Feel - Skinning Engine for the Swing toolkit
slf4j-api Simple Logging Facade for Java
slf4j-ext Simple Logging Facade for Java
slf4j-log4j12 Simple Logging Facade for Java (SLF4J) log4j bindings
slf4j-nop Simple Logging Facade for Java
slf4j-simple Simple Logging Facade for Java
smack An Open Source XMPP (Jabber) client library for instant messaging and presence
snakeyaml A YAML 1.1 parser and emitter for Java 5
snappy Snappy compressor/decompressor for Java
snip an Apache ANT optional task that extracts snippets of code from text files
soylatte-jdk-bin Landon Fuller's OpenJDK 7 for Mac OS X 10.5/PPC
spice-jndikit JNDI Kit is a toolkit designed to help with the construction of JNDI providers
spin Transparent threading solution for non-freezing Swing applications
spring-aop A comprehensive programming and configuration model for modern Java-based enterprise applications
spring-beans A comprehensive programming and configuration model for modern Java-based enterprise applications
spring-core A comprehensive programming and configuration model for modern enterprise applications
spring-expression A comprehensive programming and configuration model for modern Java-based enterprise applications
spring-instrument A comprehensive programming and configuration model for modern Java-based enterprise applications
spymemcached A simple, asynchronous, single-threaded memcached client written in java
squareness-jlf Squareness Java Look and Feel
stax A standard XML processing API that allows you to stream XML data from and to your application
stax-ex Extensions to complement JSR-173 StAX API
stax2-api Extended Stax (STandard Api for Xml procesing) API
stringtemplate A Java template engine
struts A powerful Model View Controller Framework for JSP/Servlets
struts-core A powerful Model View Controller Framework for JSP/Servlets: Core
struts-plugins A powerful Model View Controller Framework for JSP/Servlets: Plugins
struts-xwork A powerful Model View Controller Framework for JSP/Servlets: XWork Core
sun-dtdparser Sun DTDParser
sun-httpserver-bin Sun sun.net.httpserver classes
sun-j2ee-deployment-bin J2EE Application Deployment Specification
sun-jacc-api Java Authorization Contract for Containers
sun-jaf Sun's JavaBeans Activation Framework (JAF)
sun-jai-bin JAI is a class library for managing images
sun-java3d-bin Sun Java3D API Core
sun-javamail A Java-based framework to build multiplatform mail and messaging applications
sun-jce-bin Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 1.6.0
sun-jdk Oracle's Java SE Development Kit
sun-jimi Jimi is a class library for managing images
sun-jms The Java Message Service (JMS) API
sun-jmx Java Management Extensions for managing and monitoring devices, applications, and services
sun-jre-bin Oracle's Java SE Runtime Environment
sux4j Sux: Implementing Succinct Data Structures
svgsalamander a SVG engine for Java
swarmcache SwarmCache is a simple but effective distributed cache
swidgets Various reusable SWING components
swing-layout Professional cross platform layouts with Swing
swing-worker Java 1.6 SwingWorker backport for Java 1.5
swingx A collection of powerful, useful, and just plain fun Swing components
swt GTK based SWT Library
tablelayout Layout manager that makes creating user interfaces fast and easy
tagsoup A SAX-compliant parser written in Java
tapestry An open-source framework for creating dynamic, robust, highly scalable web applications in Java
telnetd A telnet daemon for use in java applications
testng Testing framework introducing some new functionalities that make it more powerful and easier to use
texhyphj Re-implementation of Franklin Mark Liang's hyphenation algorithm in Java
tijmp Java Memory Profiler for java 1.6+
tomcat-jstl-compat JSP Standard Tag Library (JSTL) - Compat jar
tomcat-jstl-el JSP Standard Tag Library (JSTL) - EL jar
tomcat-jstl-impl JSP Standard Tag Library (JSTL) - Implementation jar
tomcat-jstl-spec JSP Standard Tag Library (JSTL) - Specification jar
tomcat-native Native APR library for Tomcat
tomcat-servlet-api Tomcat's Servlet API 3.1/JSP API 2.3 implementation
toolbar An improved version of JToolBar
touchgraph-graphlayout TouchGraph provides a set of interfaces for graph visualization
treelayout Efficiently create compact tree layouts in Java
trident Java animation library
trove GNU Trove: High performance collections for Java
txw2-runtime TXW is a library that allows you to write XML documents
typesafe-config a library of arguably useful Java utilities
unkrig-nullanalysis Some classes to test for various null conditions
validation-api Bean Validation (JSR-303) API
vecmath Sun J3D: 3D vector math package
velocity A Java-based template engine for easy creation/rendering of documents that format and present data
vldocking Docking solution for Java Swing
webgraph WebGraph is a framework to study the web graph
werken-xpath W3C XPath-Rec implementation for DOM4J
ws-commons-util Utility classes that allow high performance XML processing based on SAX
wsdl4j Web Services Description Language for Java Toolkit (WSDL4J)
wstx Woodstox is a high-performance validating namespace-aware XML-processor
xalan Apache's XSLT processor for transforming XML documents into HTML, text, or other XML document types
xalan-serializer DOM Level 3 serializer from Apache Xalan, shared by Xalan and Xerces
xerces The next generation of high performance, fully compliant XML parsers in the Apache Xerces family
xerial-core An open-source DBMS for XML/JSON/Relational data
xjavac The implementation of the javac compiler for IBM JDK 1.4 (needed for xerces-2)
xjavadoc A standalone implementation of JavaDoc engine suited for XDoclet
xml-commons Jakarta project for for XML bindings for java
xml-commons-external An Apache-hosted set of externally-defined standards interfaces, namely DOM, SAX, and JAXP
xml-commons-resolver An XML Entity and URI Resolver
xml-im-exporter XML Im-/Exporter is a library to assist you in the process of importing and exporting XML
xml-security An implementation of the primary security standards for XML
xml-writer A simple XML Writer
xml-xmlbeans An XML-Java binding tool
xmlc Open Source Java/XML Presentation Compiler
xmldb Java implementation for specifications made by XML:DB
xmlgraphics-commons A library of several reusable components used by Apache Batik and Apache FOP
xmlrpc Apache XML-RPC is a Java implementation of XML-RPC
xmlstreambuffer A stream-based representation of an XML infoset in Java
xmlunit XMLUnit extends JUnit and NUnit to enable unit testing of XML
xom A new XML object model
xp XP is an XML 1.0 parser written in Java
xpp2 A streaming pull XML parser used to quickly process input elements
xpp3 An implementation of XMLPULL V1 API
xsd2jibx JiBX binding and code from schema generator
xsdlib Sun XML Datatypes Library
xsom XML Schema Object Model (XSOM) allows Java apps to easy parse and inspect XML Schema docs
xstream A text-processing Java classes that serialize objects to XML and back again
xz-java Implementation of xz data compression in pure java
yanfs Yet Another NFS - a Java NFS library
zemberek Zemberek NLP library
zeus-jscl Zeus Java Swing Components Library


636 Packages