ImageGear offers a comprehensive full-page OCR solution.

• Output to:
  • Image over text PDF
  • Plain text PDF
  • Microsoft Office 2007, Office 97: Word and Excel
  • RTF
  • HTML
  • XML
• Zone-based recognition
• Dictionary support
• Image Preprocesssing 
  • Deskew
  • Despeckle
  • Inversion
  • Orientation
  • Bitonal Reduction
  • Resolution Enhancement
• Image Cleanup
  • Deskew
  • Despeckle
  • Auto Orient

See ImageGear.Recognition Namespace and ImageGear.Recognition.Forms Namespace for more information.