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License


Starting with GridGain 1.6 release, GridGain software is dual-licensed with LGPL and Apache 2.0. Entire product remains under LGPL licenses but APIs have been factored out, packaged separately, and licensed additionally under Apache 2.0 allowing Apache 2.0 software to binary link to GridGain's APIs.

LGPL - Lesser GNU Public License  

Our core product is licensed under LGPL (GNU Lesser General Public License). Full legal disclosure can be viewed below (original is http://www.gnu.org/licenses/lgpl.txt).

In a nutshel...

Here is what in a nutshell LGPL licensed-software implies:
Usage Rights
You can use LGPL GridGain software in your business applications and systems as you wish including linking to GridGain from any other open source or proprietary software.
Fees
There is absolutely no royalties or license fees for downloading and making copies of GridGain LGPL software.
Distribution Rights
There is no restriction on how end user can distribute unchanged LGPL GridGain software.
Changes
For internal use within your company you can modify LGPL GridGain software in any way and are not required to share these changes publicly.
Distribution of Changes
To distribute changes (i.e. changes resulting in a bytecode change which are considered as derivative work) to LGPL GridGain software outside of your own company you are required to make these changes publicly available.
Inclusion Rights
You can bundle in or embed LGPL GridGain software into other commercially licensed products.

Apache 2.0 - License  

Starting with GridGain 1.6 release, GridGain software is dual-licensed with LGPL and Apache 2.0. GridGain APIs (interfaces, exceptions, annotations, and enumerations) are packaged separately and licensed additionally under Apache 2.0 license.

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OEM & Commercial

GridGain Systems retains full copyright for all GridGain software and can offer its clients OEM or commercial licenses in cases when LGPL is not suitable. For more information about OEM and commercial licensing please contact  sales@gridgain.com

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Copyright

Although GridGain product is licensed under LGPL, GridGain Systems is a sole copyright holder for the GridGain product.

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Indemnification

Indemnification is available for Enterprise Support subscribers. For these subscribers GridGain Systems provides full indemnification mitigating any risks associated with using our software (LGPL or otherwise licensed).

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