Famous First Websites - Discover what popular startup websites looked like at launch
SOUNDS DELICIOUS - A vinyl club for full-length cover albums.
Waybackpack - Download the entire Wayback Machine archive for a given URL
MySuper.Fan - With the MySuper.fan, you can create a leaderboard of your superfans; instantly generate a superfan profile and do a deep dive into your superfan's engagement across your content.
Youtube++ - extension to show publishing date of related youtube videos.
ViralStat - All-in-one tool for cross-platform social video analytics