Chess application whichs allows working with chess PDF books and PGNs.
A graphical frontend to tesseract-ocr
Easy-OCR solution and Tesseract trainer for GNU/Linux
Edit the OCR text layer of DjVu documents in a web browser
The DjVu complete solution,with OCR Technology(Arabic ,English).
YAGF is a tesseract and cuneiform wrapper and helper*
Realtime bigdata tool for bit strings up to 2^63 based on AVL forest