Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Collector's Note Tweak web script
FireShot Webpage Screenshots captures webpage screenshot entirely (see demo: http://bit.ly/RlBQMV)
The screenshot can be quickly annotated and:
+ Saved as PDF/PNG/GIF/JPEG/BMP
+ Sent to clipboard
Collector's Note Very easy to capture web, and flexible options
StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.
Collector's Note Remember my favorites pages
A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)
Collector's Note I can monitor loading progress details
Automatically find user scripts on Userscripts.org (requires Greasemonkey or Scriptish)
Collector's Note Increase greasemonkey productivity
Collections are groups of related add-ons that anyone can create and share.Explore Collections