This library is a light weight C++ / Java XML library providing functionality to easily read, write and modify XML files. Data is managed in-memory. Unlike other XML libraries this one is able to preserve XML formating including white space and comments when editing data. Optionally it can pretty-print XML data or output in plain format without any withit space....

Terasology is an open source project started by Benjamin "begla" Glatzel to research procedural terrain generation and efficient rendering techniques in Java using the LWJGL. The engine uses a block-based voxel-like approach as seen in Minecraft. After proving itself as a solid tech demo begla was joined at first by Anton "small-jeeper" Kireev and Rasmus "Cervator" Praestholm and a full-fledged game concept was born. Our goal is a game that pays ample tribute to Minecraft in initial look and origin, but stakes out its own niche by adopting the NPC-helper and caretaker feel from such games as Dwarf Fortress and Dungeon Keeper, while striving for added depth and sophistication in the foundation systems akin to DF....

This library enables Java applications to work with property lists in various formats.

You can parse existing property lists (e.g. those created by an iOS application) and work with the contents on any operating system.

The library also enables you to create your own property lists from scratch and store them in various formats....

The org.apache.commons.jxpath package defines a simple interpreter of an expression language called XPath. JXPath applies XPath expressions to graphs of objects of all kinds: JavaBeans, Maps, Servlet contexts, DOM etc, including mixtures thereof.

LibrePlan: Open Web Planning.

LibrePlan is an open source web application for project planning, monitoring and control.

LibrePlan is a collaborative tool to plan, monitor and control projects and has a rich web interface which provides a desktop alike user experience. All the team members can take part in the planning and this makes possible to have a real-time planning....

LZ4 compression for Java,

jcgm is an open source Java implementation to interpret and render Computer Graphics Metafile (CGM) graphics files.

Silverpeas is used to build an Intranet, an Extranet or feed WEB 2.0 sites with ready to use tools.
Silverpeas is used to share documents (EDM Electronic Document Management), to streamline project management, to manage content (CMS), and optimise the management of knowledge and skills. Silverpeas offers intuitive ergonomy, based on ergonomic web standards....

LensKit is an open source toolkit for building, researching, and studying recommender systems, providing an API for common recommender use cases, implementations of widely-used algorithms, and tools for evaluating recommender performance.

GSS is a scalable file storage service, built on open source technologies that offers an open API and multiple user interfaces (rich web GUI, WebDAV, Desktop client). GSS is built on Java.