Hover Zoom - Enlarge thumbnails on mouse over.
Famous First Websites - Discover what popular startup websites looked like at launch
Image Max URL - Help find larger or original versions of images, including a customizable image popup feature
Channel Meter - Smarter YouTube Analytics
Hover Zoom+ - Google Chrome extension for zooming images on mouse hover - extesy/hoverzoom
Waybackpack - Download the entire Wayback Machine archive for a given URL