SmartScore - Scan, edit and transpose your music in just minutes.
PlayScore - Scan sheet music, play it on your phone and convert it to MIDI or MusicXML
PhotoScore Ultimate - used for optical music recognition
PDFtoMusic - You often download score files in PDF format from the Internet, and youd wish to hear them?
OMeR - OMeR is the printed music recognition add-on for Melody Assistant or Harmony Assistant.
NEURATRON PhotoScore - Music scanning & PDF to notation software.