Flippity is a site that allows you to create custom-made games and resources. Basically, you get a Google Sheet that you edit and update, and it provides you with a link to create a custom website.

This is a basic online whiteboard app.

Have you ever found the perfect image, but there's a pesky white background making your presentation look sloppy? This tool transforms the white background into a transparent one.

*note - works best if image is a clear image on a plain white background. Can work to remove more complicated backgrounds, but not 100% of the time.