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graphite: a portable graphics library, written in Java, JOGL and Postscript that allows rapid generation of high-quality graphs using an efficient, compact Java engine.
Coefficient is a project-based collaboration platform deployable as either a J2EE or a Web application. It provides collaboration tools as hot deployable modules. It also provides a workflow engine to help guide projects through their development cycle.
The project Complex Project Manager focuses on the development of a project planing and management engine. It supports multiple projects and resource dependend calendars (official holidays, vacations). Now we build an application around it.
Job Application Tracker within a Java Servlet JSP SQL Frame work. If you have to apply, possibly, for hundreds of jobs, here is a base frame to do so. Since I now have a job, i donate what I used to open source.
Bossa is a workflow engine written in Java. The engine is very fast
and lightweight, uses a very expressive Petri net notation to define
workflows, does not requires a RDBMS and is very simple to use and to
integrate with java applications.
Java Data Engine API. Why not (try to!) forget data distribution and management headaches in distributed environments. Ready to start examples included.
The Habitat Open Management Engine is a J2EE database application built on Jakarta Struts for Habitat for Humanity affiliates in the United States. HOME will help Habitat affiliates track information pertaining to local homeowner mortgages.
Pelgrine Bulk Email Engine is a multithreaded bulk email engine with database and flatfile access features. PBEE has a built in template parser, and supports unlimited SMTP servers in a round robin, load balanicing fashion. 100% PureJava.
JRVFSim (Jarvis) is a simulator of a fluid dynamics phenomenon known as radial viscous fingering. Its main feature consists of taking jordan curves and simulating their evolution subject to various parameters. Includes a partial API for numerical methods
Story server is an easy to use and attractive system for tracking
stories/use cases during iterative development. It is implemented as
a web application and requires postgresql, a servlet engine, and a
webserver.
This is an Open Source Business Process Engine, implemented in XML and XSLT. It will enable the execution of workflow processes along the lines of WSFL but more focused on human interaction.
DataForge is a scalable engine for performing queries across a heterogenous set of data sources that can be both relational (SQL) and non-relational (anything!). This project has migrated to http://dataforge.codehaus.org/
QRay is an interactive 3D modelling system in Java. It's built-in real-time raytracing engine implements the Quadric-CSG representation model and the Seed-Fill optimization method, which empower QRay to provide cool WYSIWYG 3D modelling functionalities.
Hanoi Workflow Engine is workflow engine based on Java and J2EE technology. It strives to be a complete workflow-solution usable for many purposes and domains.
Yajre is a java rules engine with semantics designed for rules that are easy to reason about. Yajre is sponsored by Ecensity, home of the JSP portal `displet'.
Mercator is a Point of Sale (POS) application written in Java. It is a OO, multi-purpose transaction engine that supports general retail and quick-order restaurant environments using standard POS peripherals (JavaPOS) and/or menu interface.
Trinity is an XML-based information engine that liberates data, view and function from each other - making each more flexible and powerful. It uses WebDAV to access XML data, and comes with both a GUI environment and an Apache based web interface.
Raytracing rendering engine written in Java. Plug it into a modeling environment, or programmatically create a scene. Uses Constructive Solid Geometries (CSG), bounding boxes, and fully extensible design (at least eventually).