1. Tesseract:
Tesseract is an open source engine which was developed by HP Labs and is now with google.Currently Tesseract V 3.0 is available for download
2. GOCR:
It is a OCR software for linux user’s using red hat aor fedora.The Software is comapatible with All POSIX (Linux/BSD/UNIX-like OSes), Linux, OS Portable (Source code to work with many OS platforms)
3.OCR Desktop:
OCR Desktop Application is a desktop is a windows compatible software for converting your text into images with high accuracy.Ocr Desktop uses latest technologies to make sure you get the best possible results
4.Simple OCR:
Simple Ocr is another popular freeware software that is being used by thousand of user’s worldwide.

