All of our SDKs are under Apache license you can use it in your own application. We are still working hard on other platforms. If you make a library that supports the HiDrive API, let us know and we'll feature it here.
You can find our SDK's on GitHub https://github.com/HiDrive
HiDrive Android SDK’s
HiDrive Android SDK - HiDrive API & Free account registration
HiDrive Java Script SDK’s
HiDrive WinJS SDK’s
HiDrive WinJS SDK - HiDrive API
HiDrive WinJS SDK - Free account registration