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OSGi™ - The Dynamic Module System for Java™

OSGi Benefits Modularity reduces software complexity. OSGi is the best model to modularize Java. Learn more...

OSGi Architecture If you want to know how the OSGi achieves these benefits, then read about the OSGi architecture ...

Where to Start If you know the technology but want to start using it, then read about how to get started ...

OSGi Specification License, Version 1.0.

The OSGi Alliance ("OSGi Alliance") hereby grants you a fully-paid, non-exclusive, non-transferable, worldwide, limited license (without the right to sublicense), under the OSGi Alliance's applicable intellectual property rights to view, download, and reproduce the OSGi Specification ("Specification") which follows this License Agreement ("Agreement"). You are not authorized to create any derivative work of the Specification. The OSGi Alliance also grants you a perpetual, non-exclusive, worldwide, fully paid-up, royalty free, limited license (without the right to sublicense) under any applicable copyrights, to create and/or distribute an implementation of the Specification that: (i) fully implements the Specification including all its required interfaces and functionality; (ii) does not modify, subset, superset or otherwise extend the OSGi Name Space, or include any public or protected packages, classes, Java interfaces, fields or methods within the OSGi Name Space other than those required and authorized by the Specification. An implementation that does not satisfy limitations (i)-(ii) is not considered an implementation of the Specification, does not receive the benefits of this license, and must not be described as an implementation of the Specification. An implementation of the Specification must not claim to be a compliant implementation of the Specification unless it passes the OSGi Alliance Compliance Tests for the Specification in accordance with OSGi Alliance processes. "OSGi Name Space" shall mean the public class or interface declarations whose names begin with "org.osgi" or any recognized successors or replacements thereof.

THE SPECIFICATION IS PROVIDED "AS IS," AND THE OSGi ALLIANCE, ITS MEMBERS AND ANY OTHER AUTHORS MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, OR TITLE; THAT THE CONTENTS OF THE SPECIFICATION ARE SUITABLE FOR ANY PURPOSE; NOR THAT THE IMPLEMENTATION OF SUCH CONTENTS WILL NOT INFRINGE ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS. THE OSGi ALLIANCE, ITS MEMBERS AND ANY OTHER AUTHORS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SPECIFICATION OR THE PERFORMANCE OR IMPLEMENTATION OF THE CONTENTS THEREOF.

The name and trademarks of the OSGi Alliance or any other Authors may NOT be used in any manner, including advertising or publicity pertaining to the Specification or its contents without specific, written prior permission. Title to copyright in the Specification will at all times remain with the Authors.

No other rights are granted by implication, estoppel or otherwise.

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News

Compendium 4.3 and Residential 4.3 published! The OSGi Service Platform Release 4 Compendium Version 4.3 and Residential Version 4.3 specification documents are now available for download. Read more...

OSGi Alliance Names Peter Kriens Invited Researcher. The OSGi™ Alliance has named OSGi Fellow Peter Kriens an Invited Researcher, honoring 14 years of leadership and development of OSGi technology. As the former evangelist and technical director for the Alliance, Kriens articulated and promoted the vision and the benefits of modular software for developers and software users from the onset of the OSGi Alliance. Read more...

OSGi Alliance makes drafts of the OSGi Core Release 5 and OSGi Enterprise Release 5 specifications available for download. The OSGi Alliance now has the OSGi Core Release 5 and OSGi Enterprise Release 5 specifications ready for download. These proposed final draft specifications are made available under the OSGi Distribution and Feedback License.

OSGi JavaOne Rock Stars BJ Hargrave, OSGi CTO and Fellow, and Peter Kriens, OSGi Technical Director, Evangelist and Fellow, have been named JavaOne Rock Stars for their top-rated "Why OSGi?" presentation at JavaOne 2011. The JavaOne Rock Star Program started in 2005 to recognize speakers for their outstanding session content and speaking ability. Click here for all of the 2011 JavaOne Rock Stars and further information.

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