Open Source Document Management System for Digital Archives
OCRmyPDF adds an OCR text layer to scanned PDF files
Contexts Optical Compression
OCR software, free and offline
Scan documents to PDF and other file types, as simply as possible.
ITTT is a Free tool designed to Scan and extract Text from Images.
Document Management System and Content Management System
A graphical frontend to tesseract-ocr
A supercharged version of paperless, scan, index and archive docs
OCR web based for Browser Firefox & PC
KDE servicemenu for pdf
Edit the OCR text layer of DjVu documents in a web browser
Electronic Document Index And Search