Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
Opens Todoist(https://todoist.com) in the sidebar. This is an unoffical extension.
A sidebar extension for tab management.
Simple notes in a panel, with a context menu item to copy text to a note.
The extension allows you to listen GIKRadio directly in the browser. Walk on the Internet and listen good music! Request Song from sidebar (press CTRL+SHIFT+S).
Too many open tabs? Manage your tabs, regain your sanity and improve your browsing experience with tabzen
The best way to share things well surfing the web - Simplest possible way.
Prayer times | مواقيت الصلاة.
معرفة مواقيت الصلاة
Simple Vertical Tabs
Simple Vertical Tabs
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
2048 Mini game
The game 2048
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
ICQ for Sidebar
Run ICQ Web in Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
Free File Sender
Free file transfer
Site Settings Sidebar
Site specific settings on your sidebar.
Minimalistic todo extension for your sidebar
Google Tasks on sidebar (not official)
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
The History Panel
An extension that puts the browser history in the sidebar, sorted by date.
Follow your favorite TV show. For Opera 29+ only.
The sidebar with all the Radioigor and Videoigor music channels.
Browse technology news on Techmeme in the sidebar.
Adds notes managed by tagging without hierarchized tree to sidebar.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
Mobile version Inoreader.com on sidebar (not official)
A tool for web developers to preview blend modes on different page elements.
Help on Social (#gHelp) Sidebar
Access to Help on Social (#gHelp) on the sidebar.