Company Lukas Foldyna created these great apps:
iStorage 2 for FTP, WebDAV, Dropbox, MS Skydrive and Cloud, iStorage 2 HD for FTP, WebDAV, Dropbox, MS Skydrive and Cloud, Instashare Air Drop, Instashare Air Drop Second Ed, Instashare - Transfer files, iStorage for Ftopia, Matador Storage, and others..