The weekly update to calibre has just been posted, and it adds support for another gadget.
Alongside the tweaks and bug fixes, today’s update adds a new device driver. owners of the Motorola X2 can now use calibre to transfer ebooks to and from the phone. No effort will be required (other than plugging in the X2). The update also adds several new output options for Kindle eBooks as well as better support for reading PDF metadata.
Calibre is the leading eBook and eReader management tool. It supports conversion from and to a wide variety of eBook formats. It will also assist you in organizing your eBook library and transferring your eBooks to your eReader (almost all are supported).