Sikuli Script is a scripting language and a similar tool for performing automated software testing of Graphical User Interfaces using Screenshot images of the…

Tesseract Open Source OCR Engine.

gImageReader is a simple Gtk/Qt front-end to tesseract.

Paperwork is an open source note-taking & archiving alternative to Evernote, Microsoft OneNote & Google Keep.

Scan Tailor is an interactive post-processing tool for scanned pages. It performs operations such as page splitting, deskewing, adding/removing borders, etc.