Free software from Knowbooks.com
Storm Tracker
Live cameras, satellite imagery, and forecasts. One clear view of the storm.
Open tracker ↗
Checko
A checksum you can say. Compare documents with a memorable phrase.
Try Checko ↗
Longpic
Big PDF. One looong JPG. Stitch every page into an image, right in your browser.
Make a Longpic ↗