Flash Blocker Strict
Strictly block all Flash contents from loading (supports whitelisting)
Adds a button to the top-left of every page to return to the website from which that page was linked.
Fix dumb things about Twitter and TweetDeck on the web (e.g. hidden “replying to”, t.co links)
This extension adds the program notification functionality to Abeani ( https://appsweets.net/abeani/ ).
Organize your work!
A smarter way to bookmark web pages
PunyCode Domain Detection
This extension attempts to detect PunyCode domain phishing attack
Multiple devices, people and places connected in a shared workplace
Opera Extension for FOP2.