Adobe Scan
Adobe Scan – free PDF scanner app turns your iPhone iPad into a powerful portable PDF scanner that support OCR and recognize text automatically.
App
Send Anywhere – File Transfer
Send Anywhere is a cross-platform file sharing service. Send your photos and videos in original size to your PC, share them with your friends, transfer your music files to your iPhone. You can send to anywhere you want instantly, for free. No login or registration required. 6-Digit Key A security key that lets you send …
iTransfer – File Transfer Tool
iTransfer – File Transfer Tool for iPhone iPad which supports FTP, FTPS, SFTP, Cloud Drives, etc.
PDF Element – free PDF reader, editor, converter
PDF Element – free PDF reader, editor, converter for iOS. Open, edit, convert and sign PDF on iPhone iPad.
Calibre
Calibre is a free and open-source e-book management software for Windows, Mac and Linux that can organize, convert, and read e-books in various formats.