Today’s featured promo on MacUpdate offers Librarian Pro for US$7.95 (73% off, retail $29.95). “Librarian Pro… If you’re like us, you have managed to create your own mini-library of books, magazines, games, CDs, software titles, and movies. It is difficult to sort through all of them to see which ones you have on file, or to find where you last shelved a particular one. Librarian Pro is a complete personal inventory system.” Librarian Pro requires Mac OS X 10.4 or later.