Extensions
Add new functionality to Opera
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Instagram Sidebar
Access to Instagram.
Google™ Translator Sidebar
Easy Access to Google Translate via Sidebar UI
2048 Sidebar
The famous 2048 game on the Opera Sidebar.
Classic Notes
Old-styled notes in your extensions sidebar. http://fidel.im/classic-notes?en
Skype Sidebar
Access to Skype for Web on the sidebar.
Side Calculator
Calculator on the new sidebar of Opera.
V7 Bookmarks
Bookmarks manager in your sidebar
Google Keep Sidebar
Access to Google Keep website on the sidebar.
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
V7 Sessions
Sidebar session manager
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
Pocket Sidebar
Pocket for Opera sidebar extention.
TweetTab
Access to Twitter mobile site. For Opera 29+ only.
Web Panel
Navigate to websites in the sidebar.
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Bookmarks by the Side
A simple bookmarks sidebar.
Yandex.Translate Sidebar
This is an unoffical extensions. Yandex Translate for Opera Sidebar
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
Raindrop.io - Smart Bookmarks
"Save Button" for Web
V7 Notes
Old school opera notes
V7 History
Access History from your Sidebar
Quick Notes
The extension allows you to quickly save text notes on the sidebar of your browser.
Sidebar for Google™ Search
Easy Access to Google search via Sidebar UI
V7 Extension Manager
simple extension manager for your side bar
V7 Stash
save pages for later reading
V7 Tabs
Sidebar windows and tabs
TweetDeck Sidebar
Access to TweetDeck. For Opera 29+ only.
Todoist sidebar(Unofficial)
Opens Todoist(https://todoist.com) in the sidebar. This is an unoffical extension.