tkteach is a graphical tool that lets you quickly flip through datasets of images to categorize them.

• Easily customizable categories and keyboard shortcuts
• Categorization can be done with arrow keys and keyboard shortcuts for improved speed, OR can be done with the mouse
• Category labels saved to sqLite database for easy retrieval
• Operates on one or more user-collected datasets of images
• Images can be zoomed in or out
• Allows multiple categorizations per image
• Category labels can be reviewed from within the application

• Added resizing of images to fit the maximum size
• Fixed window size jumping
• Made zoom in/zoom out more gentle
• Zoom in by '+' OR '=' (no need to hold the Shift button)
• Datasets moved to /ds folder and added preselecting the dataset if it's the only one available

• Tested in both Python 2.7 and 3.6
• Requires PIL, sqlite3, and tkiner or Tkinter