Java applications look and behave like native applications

Java API for easy monitoring production applications

runtime compiler for Java expressions - library

Java library for generating and interpreting ANSI escape sequences

Java library for ANSI escape sequences - native component

Command-line argument parsing for Java

repackage third-party jars

Maven plugin to repackage third-party jars

Java object-oriented type-safe Algebra System

JAS(2) Plotter graphic library

java library for simple high-level encryption

JATL - Java Anti-Template Language

library for editing tags like ID3 in audio files such as MP3s

Java 3D API (java library)

Java3D API (java jni library)

JVM agent tracking memory allocations

maven plugin which uses JavaCC to process JavaCC grammar files

examine the Java classpath from Clojure programs

Compressed variant of the Java bitset class

CenterDevice JavaFxSVG library

Java-gnome language bindings project

Java-gnome language bindings project JNI layer

Clojure interface to sql databases via jdbc

produce and consume JMX beans from Clojure

Java library for parsing Java 7

Java API for generating .java source files

library for editing bytecodes in Java

library of different string similarity and distance measures

javatuples

Java API for generating .java source files

XML Builder Java library for creating XML documents

Scala json parser

Java Architecture for XML Binding API

JAXB Reference Implementation

JAva Xml Editor - library

Java XPath engine

Java XML parser and transformer APIs (DOM, SAX, JAXP, TrAX)

Java API for XML based RPC (JAX-RPC)

Java API for RESTful Services (JAX-RS)

Java API for XML-Based Web Services

JAX-WS Reference Implementation (Library)

spell checker java library

Java implementation of OpenBSD's Blowfish hashing

Invisible Internet Project (I2P) - libjbigi library

Java Bridge Method Maker

bytecode writer that creates .class files at runtime

Java source code generating library

JBoss Logging Framework

create internationalized logger messages and exceptions

implementation of java.util.logging.LogManager