JAchievement is a small library written in Java that provides achievement notification features to any Java application, similar to Microsoft XBox 360 achievements. Platforms: Windows, Mac, Linux

JAMT provides an easy way to create UML diagramms. In the first version it is possible to model class diagramms. State and activity diagramms are planned. Future extensions of JAMT could be code generation and design patterns assistance. Platforms: Windows, Mac, Linux

This project is Java 1.5 port of the JArgs Project (http://jargs.sourceforge.net) with minor changes like validation and the annotation-based configuration for command-line options. Platforms: Windows, Mac, Linux

Swing-based abstract frame or applet for visual manipulation of objectsand links between objects Platforms: Windows, Mac, Linux

Reusable components for building Java applications. JABB is not a framework, it includes components that were built on top of popular frameworks (such as Camel, java.util.concurrent, Netty, Spring, Struts2, Hibernate, etc). Platforms: Windows, Mac, Linux

A library to build and manipulate finite state automata, I/O automata, transducers and rational langagues in Java. Platforms: Windows, Mac, Linux

This software provides library to encode/decode Java strings to/from Base64 encoding and variants. Just include the .jar file into your classpath, to encode: string.getbytes('x-base64'); to decode: new String(bytearray, 'x-base64'); Platforms: Windows, Mac, Linux

Make java data object persistent in file system whithout database. Between serialization in file and database. Cache your data model in file. Manage more objects than memory can contains Platforms: Windows, Mac, Linux

DSA extensions contains classes similar in purpose to the classes provided in java.util. Currently, it contains sortable Lists and Maps, as well as a balanced binary search tree and a binary array search algorithm. Platforms: Windows, Mac, Linux

Java FoldMap Lists is a translation to Java of, and a sizable expansion upon, the original FoldMap list package (http://hackage.haskell.org/package/fmlist). Uses the Functional Java library (http://functionaljava.org/) in its implementation and interface. Platforms: Windows, Mac, Linux

Java Forker aims at providing a solution to the memory consumption of java Runtime.exec method under linux for really big vm like application servers. It is a small vm that will do the fork and communicate back the two outputs from the exec command. Platforms: Windows, Mac, Linux

Java utility library which allows you to read/write typed data from/to a byte buffer. Useful when you have to create/interpret a byte array with typed data. Platforms: Windows, Mac, Linux

The Java OutlookExpress Reader is a package that allows the reading of .dbx files, the format used to store OutlookExpress emails and folders. The main reader class loads all the data from a given .dbx and parses it, allowing easy access to information through public variables and classes. This... Platforms: Windows, Mac, Linux

Java library for easy parsing of pgn files and calculating moves start and end positions. Platforms: Windows, Mac, Linux

A collection of static sorting methods in a Java class. Each method takes an unsorted array and returns a sorted copy of the array. All methods are overloaded to take arrays of type: byte, short, int, long, float and double. Platforms: Windows, Mac, Solaris, Linux

This is a series of *.java Classes for making programming tasks simpler, much like Apache Commons. Included in this src package is an Advanced Randomizer, TStringList Clone From Delphi, an Algorithem Class, and Method MultiTask Better than Runnables. Platforms: Windows, Mac, Linux

A library for cross-platform vector graphics cut and paste in java. It allows one to draw graphics which can the be pasted into word or openoffice. It handles Graphics2D, but not bitmap picture inclusion nor transparencies. Platforms: Windows, Mac, Linux

The Java Galician Locale is an implementation of Java localization SPIs which will allow the Java VM to use the Galician Language (locales 'gl' and 'gl_ES'), one of the official languages of Spain, which is not included in Sun's JVM distribution Platforms: Windows, Mac, Linux

Javaruntype is a library which offers a runtime objectual representation of the Java type system Platforms: Windows, Mac, Linux

Jaxil (Java XML interface library) is a project for connecting programs together. Platforms: Windows, Mac, Linux