The leading RESTful web framework for Java

Do you want to blend your web services, web sites and web clients into
unified web applications exposing and consuming RESTful web APIs?

Leverage the open source Restlet Framework and its unique Java API available in six consistent editions: Java SE, Java EE, OSGi, GAE, Android and GWT!...

Apache Archiva is an extensible repository management software that helps taking care of your own personal or enterprise-wide build artifact repository. It is the perfect companion for build tools such as Maven, Continuum, and ANT.

Archiva offers several capabilities, amongst which remote repository proxying, security access management, build artifact storage, delivery, browsing, indexing and usage reporting, extensible scanning functionality... and many more!...

Vagrant is a free and open source project. The vision of the project is to create a tool to transparently manage all the complex parts of modern development within a virtual environment without affecting the everyday workflow of the developer too much.

Vagrant was started on January 21, 2010 by Mitchell Hashimoto and John Bender. Version 0.1.0 was released on March 7, 2010....

XWiki is a WikiWiki clone written in Java that supports many popular features of other Wikis like the Wiki syntax, version control, attachments, security, and searching, but also many advanced features like templates, database and dynamic development using the velocity or groovy scripting language, a plugin system and skinability, J2EE scalability, XML/RPC remote API, Portlet integration, statistics, an RSS feed, PDF exporting, and WYSIWYG editing....

Stumpwm is a tiling window manager written entirely in Common Lisp. It
attempts to be highly customizable while relying entirely on the
keyboard for input.

libssh2 is a library implementing the SSH2 protocol,

The Lightweight Java Game Library (LWJGL) is a solution aimed directly at professional and amateur Java programmers alike to enable commercial quality games to be written in Java. LWJGL provides developers access to high performance crossplatform libraries such as OpenGL (Open Graphics Library) and OpenAL (Open Audio Library) allowing for state of the art 3D games and 3D sound. Additionally LWJGL provides access to controllers such as Gamepads, Steering wheel and Joysticks. All in a simple and straight forward API....

Building blocks for computational design (Java & Processing)

This is a growing selection of useful classes created for mostly computational design projects, but which might be helpful for others too. After 3 years of ongoing development the collection consists of:...

XMMS2 is a music player.,

The HTML5 specification from the WHATWG.

This project tracks the changes to the draft specification as they happen.