The print switch provides a way to quickly change the default Printer or Fax driver. Print Switch for Windows works with most stand-alone fax software packages as well.
SDK generates virtual printerdriver with all the functionality you find in Miraplacid Text Driver. You can customize it and embed into your software to extract text from documents. SDK supports plain and formatted text extraction in all major code pages as well as Unicode. SDK is free, but you will need a license to use or redistribute the printerdriver it generates.