This library will help you connect to the Amazon MWS to quickly develop applications to help Amazon Sellers. You can read more on Amazon MWS at --> https://developer.amazonservices.com/.
Note: This Library is open source however it is protected by LICENCE GNU GPLv3. This means you can use and modifiy the SDK as you which however DO NOT distribute closed apps with this library included. Give back to the community and contribute to open source.