Capture Webpage Screenshot - FireShot
Capture FULL webpage screenshots, edit and save them to PDF/JPEG/GIF/PNG/BMP; upload, print, send to Photoshop, clipboard or email
Hola Better Internet
Access websites blocked in your country, company or school with Hola! Hola is free and easy to use!
Bookmarks Import & Export
Opera Bookmarks Import & Export
The world's most popular userscript manager
Turn Off the Lights
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema.
Pocket (formerly Read It Later)
Pocket Extension for Opera - The best way to save articles, videos and more
Evernote Web Clipper
Use the Evernote extension to save things you see on the web into your Evernote account.
avast! Online Security
Avast Browser Security and Web Reputation Plugin.
DuckDuckGo for Opera
DuckDuckGo enhancements for Opera.
Play YouTube Videos in Flash or HTML5 Player
Enhancer for YouTube
One of the best extensions for YouTube™. All the features you need to make YouTube™ more awesome!
The world’s fastest ad blocker! Same blocking, 8x accelerated webpages.
Userscript support for Chromium based browsers like Opera and Chrome.
YouTube™ All Flash® Player
Switch all YouTube™ Videos to Adobe Flash® Player.
Multiple label and account notifier for Google Mail (Gmail)
Ant.com Antmarks Extension
Manage your favorite web pages
Easy Access to Gmail (mobile view) via Sidebar UI
Get new message notifications and quick access to Yandex.Mail.
Bringing together your devices, friends, and the things you care about.
uTorrent easy client
Extension add uTorrent web GUI in your web browser
Visual bookmarks, bookmarks sync across various browsers and absolute safety for your bookmarks
I don't care about cookies
Get rid of annoying cookie warnings from almost all 'infected' websites!
A slideshow of photos from Instagram. This extension uses the Instagram(tm) API and is not endorsed or certified by Instagram. All Instagram(tm) logos & trademarks displayed on this extension are property of Instagram.
Nimbus Screen Capture
Screen Capture FULL Web page or any part. Edit screenshots. Record screencasts - record video from your screen.
Old-styled notes in your extensions sidebar. http://fidel.im/classic-notes?en
Reddit Enhancement Suite
A suite of modules that enhance your Reddit browsing experience
removes all sorts of advertisement from YouTube
Bookmarks by the Side
A simple bookmarks sidebar.
ibVPN - Best VPN & Proxy
Best VPN & Proxy for Unblocking Restricted Websites
Speed Dial for Gmail
A minimal SpeedDial extension to show the unread email count and title.