ABEBooks.com – HomeBase – Free software for the PC or the Mac, enabling you to manage your bookstore. Designed for those stores specializing in used, out of print, rare and antiquarian books.
BookHound – Database and sales management tool for independent booksellers. For Macintosh and Windows. Built with FileMaker Pro.
BookRouter – An online data converter and forwarder which enables booksellers to control online inventories with a single upload.