Give easy access to ChessGrow from sidebar.
Sidebar session manager
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
V7 Extension Manager
simple extension manager for your side bar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
ICQ for Sidebar
Run ICQ Web in Sidebar
Sidebar windows and tabs
Sidebar Covid Tracker
Simple Covid Tracker for Sidebar based of https://www.worldometers.info/coronavirus/
Google Messages for Opera Sidebar
This Add-On allows you to send text messages from your Opera Browser, to anyone you want.
JxArşiv | Araçlar
Currency, Meter, Square, VAT, Percentage, Letter, Word Count, Age Calculation and Archives ...
A beautiful way to read, study, and memorize the Bible
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
Minúta po minúte
Minúta po minúte Denníka N
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
A simple menu to enable, disable and access options of extensions.
Free File Sender
Free file transfer
Bookmarks by the Side
간단한 북마크 사이드 바.
Access History from your Sidebar
Save pages for later reading
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
Google Tasks on sidebar (not official)
Generate Fractions for copy to clipboard
Adds notes managed by tagging without hierarchized tree to sidebar.
Site Settings Sidebar
Site specific settings on your sidebar.
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
Bring your news feed from the free speech social media platform gettr.com to the Opera sidebar for quick access.
Mobile version Inoreader.com on sidebar (not official)