Sync4j Licensing

Sync4j is released under the `GNU General Public License' (`GPL'). This means that Sync4j can be used free of charge under the `GPL'. If you do not want to be bound by the `GPL' terms (such as the requirement that your application must also be `GPL', you may purchase a commercial license for the same product from Funambol; contact Funambol at sales@funambol.com .

Since Funambol owns the copyright to the Sync4j source code, we are able to employ `Dual Licensing', which means that the same product is available under `GPL' and under a commercial license. This does not in any way affect the `Open Source' commitment of Funambol. For details about when a commercial license is required, please see the Copyrights and Licensing section of this manual.

Copyrights and Licenses Used by Sync4j

Funambol owns the copyright to the 'Sync4j' source code.

All the source code in Sync4j is covered by the 'GNU General Public License'. The text of this license can be found as the file 'COPYING' in the distribution.

The GNU General Public License (GPL) is probably the best known Open Source license. The formal terms of the 'GPL' license can be found at http://www.fsf.org/licenses/. See also http://www.fsf.org/licenses/gpl-faq.html and http://www.gnu.org/philosophy/enforcing-gpl.html.

Since the 'Sync4j' software is released under the 'GPL', it may often be used for free, but for certain uses you may want or need to buy commercial licenses from 'Funambol'. Contact Funambol at sales@funambol.com for more information.

Using the Sync4j Software Under a Commercial License

The GPL license is contagious in the sense that when a program is linked to a 'GPL' program all the source code for all the parts of the resulting product must also be released under the 'GPL'. If you do not follow this 'GPL' requirement, you break the license terms and forfeit your right to use the 'GPL' program altogether. You also risk damages.

You need a commercial license:

For commercial licenses, please contact Funambol at sales@funambol.com.

Using the Sync4j Software for Free Under GPL

You can use the 'sync4j' software for free under the 'GPL' if you adhere to the conditions of the 'GPL'. Common uses of the 'GPL' include: