TouchCopy (formerly iPodCopy) allows you to copy your entire iPod or iPhone content to iTunes or to your PC hard drive. You can copy iPod music, playlists, videos, podcasts, photos, audio books, contacts, calendars, notes and games.
Skype Call Recorder is an excellent application which works with your Skype. It automatically connects to Skype and keeps a record of every call as you want. You can also replay the recorded audio file to review the message in the call.