Generic collection of Java support classes. [Open Source]

Task scheduling system for Java, similar to Unix cron and at daemons. Fires events at specified times. Alarms are added dynamically in any order and can be one-shot or repetitive. [Open Source, LPGL]

Report generator and print preview JavaBean.

Set of Java, COM and JavaScript libraries which together can provide connectivity between all kinds of applications. [Open Source, GPL]

Generic, extensible object-pooling library to cut down on object creation and garbage collection, thus improving performance. [Open Source, LGPL]

An implementation of coroutines using Java 1.0 and threads - ported from a C version. [Freeware]

Provides a powerful collection of index-structures, query operators and algorithms facilitating the performance evaluation of new query processing developments. [Open Source, LGPL]

A library to dynamically create proxy classes and instances. Features an introduction to the library, download links and some documentation. [Open source, BSD License]

Java class library. The main objective is to provide a cross platform, multi-language set of utilities for use with Java applications.

Java Application Framework for business development. [Freeware]