> *Refer to* [*README*](../README.md) *for main instruction file*

[IMSDroid](http://code.google.com/p/imsdroid/) is a free software licensed under the [GNU GPLv3](http://www.gnu.org/licenses/gpl.html) license terms. As far as the commercial product using [IMSDroid](http://code.google.com/p/imsdroid/) or [doubango](http://doubango.org) isn't a **closed-source** software and is compatible with [GNU GPL](http://www.gnu.org/licenses/gpl.html) terms, there is no license violation. However, if your commercial product is a **closed-source** software and you want to keep it closed, then you should get a non-GPL license.

We can provide a non-GPL version of all components used in both [IMSDroid](http://code.google.com/p/imsdroid/) and [doubango](http://doubango.org) except for [x264](http://www.videolan.org/developers/x264.html) library.

~~An alternative to x264 could be PacketVideo's H.264 implementation which is released under Apache License. ~~Starting Doubango **1220** we support [OpenH264](https://github.com/cisco/openh264) (BSD).

Owners of [doubango](http://doubango.org) licenses can reuse part or whole
[IMSDroid](http://code.google.com/p/imsdroid/) source code without any restriction.

For more information, please [contact doubango](http://doubango.org/contact.html).
