The most popular userscript manager for Blink-based browsers
Hola Better Internet
Access websites blocked in your country, company or school with Hola! Hola is free and easy to use!
Ant.com Antmarks Extension
Manage your favorite web pages
The world’s fastest ad blocker! Same ad blocking, 8x accelerated page loading.
Userscript support for Chromium based browsers like Opera and Chrome.
Bookmarks Import & Export
Opera Bookmarks Import & Export
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.
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.
Pocket (formerly Read It Later)
Pocket Extension for Opera - The best way to save articles, videos and more
DuckDuckGo for Opera
DuckDuckGo enhancements for Opera.
Multiple label and account notifier for Google Mail (Gmail)
Get new message notifications and quick access to Yandex.Mail.
Old-styled notes in your extensions sidebar. http://fidel.im/classic-notes?en
A realtime animated slideshow of photos from Instagram.
Nimbus Screen Capture
Capture Web page and edit screenshots. Record screencasts - record video from your screen.
Bringing together your devices, friends, and the things you care about.
YouTube™ AdBlock removes all sorts of advertisements from YouTube.
Play YouTube™ Videos in Flash or HTML5 Player
uTorrent easy client
Extension add uTorrent web GUI in your web browser
Youtube on speeddial
Shows videos from Youtube subscriptions on speeddial
Improves the experience of CS:GO Lounge and DOTA2 Lounge
I don't care about cookies
Remove cookie warnings from tens of thousands of 'infected' websites.
Speed Dial for Gmail
A minimal SpeedDial extension to show the unread email count and title.
Reddit Enhancement Suite
NOTE: Reddit Enhancement Suite is developed independently, and is not officially endorsed by or affiliated with reddit. Reddit Enhancement Suite - a group of enhancements for browsing Reddit
YouTube™ All Flash® Player
Switch All YouTube™ Videos to Flash® Player
Bookmarks by the Side
A simple bookmarks sidebar.
Speed Street View
View in an instant Street Map with search places autocomplete and get latitude and longitude
Steam Trader Helper
This extension facilitate the work on the Steam Community Market.
Calculator on the new sidebar of Opera