Sudokuki is a graphical SUDOKU game. It solves even the most difficult sudoku grids for you. It can generate a sudoku, play sudoku, and print a sudoku.
Pyocr is a simple Python wrapper for OCR engines (Tesseract, Cuneiform, etc.). It supports Python 2.7 and Python 3.x, and requires Pillow.
Flat File Extractor
An image viewer designed around browsing folders of images.