ABBYY FineReader - ABBYY's latest PDF editor software, FineReader 16 you can easily convert files like PDF to Excel, PDF to Word, edit, share, collaborate & more with this PDF editor!
TinEye - Reverse Image Search to help find an image's source, duplicates or altered versions.
NAPS2 - NAPS2 is a document scanning application with a focus on simplicity and ease of use.
GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
Kofax Omnipage - Premium OCR software by Kofax. Turn paper, PDFs and images into valuable digital files to maximize productivity with OmniPage.
Yandex.Images - search for images on the internet, search by image