
PDF-XChange Editor
The smallest, fastest, most feature-rich PDF editor/viewer available * Full Direct Content Editing (text based PDFs, not scanned/image based PDFs) * Includes OCR feature * View, Edit, and annotate PDF files
gscan2pdf can scan, clean the scan and do OCR on the scan or imported images (incl. existing PDFs, DjVus or other file types), and make PDF and DjVu-files with embedded...
gscan2pdf can scan, clean the scan and do OCR on the scan or imported images (incl. existing PDFs, DjVus or other file types), and make PDF and DjVufiles with embedded OCRtext. It works together with tesseract, ocropus, cuneiform an gocrOCRengines
ocr text-recognition pdf scan-to-pdf djvu djvu-converter