TesseractGUI is a very simple graphical interface to the open source tesseract optical character recognition system
TesseractGUI runs on tif graphical files and outputs the text content it detects in a text view
Version 0.3
Requirements - Mac OS X 10.5
Note: version 0.3 uses tesseract version 3.0. It's universal binary with X86_64 and i386 versions.
Source (XCode project) TesseractGUI source