CopyTrans Photo - The easy way to transfer photos between PC and iPad.
PhoneView - With PhoneView, you can view, save and print all of your iPhone and iPad messages, WhatsApp messages, voicemail and other data directly on your Mac. Save your SMS, iMessages and WhatsApp messages.
WALTR - Drag-and-drop any media file to an iOS device (without iTunes) for native playback.
i-FunBox - General file management software for iPhone and other Apple products
CopyTrans - CopyTrans is a tool for managing the files on your iPhone or iPad through your computer's interface.
SynciOS Manager - Syncios is a free yet powerful cellphone to PC transfer software which can help to transfer App, Music, Photo, Video and Ebook from PC to iPod/iPhone/iPad as well as Android Phone, Android to PC, iPhone PC and iPad to PC.