Email Notifier is a notification extension that works with Gmail™, Yahoo! Mail, Live Mail, iCloud Mail, Mail.com and AOL Mail
vTabs - Opera
Vertical panel with tabs
No more duplicated tabs!
It will not allow for duplicated tabs in your tabs bar. Less tabs will give you better performance of your browser and easier overview of the tab bar.
Textbox Auto Resizer
Automatically resizes input fields and textareas while you're typing
Save time and effort in emails, etc. with ProKeys! Define snippets, do math in browser, auto complete braces, and much more.
ReadingPack - Recommendations Box
Create a personal reading list. Together.
Hi-res cover art grabber
Retrieves larger versions of cover art on various online stores, like App Store.
choppr – flic.kr short urls
Provide flic.kr url shortcuts to Flickr™ content
XBMC Remote Control
XBMC Remote Control for Opera
Copy Frame Address
Right click and copy a frame's address to clipboard.
Show's you today's date and some other info...
Open with Google Drive Viewer
Opera extension to open many file formats online using Google Drive Viewer. Open online Office documents, PDF, ZIP, RAR, HTML, PSD etc.
Calculator on the new sidebar of Opera 30+
Hidden Skype Emoticons
Get codes of Hidden Skype Emoticons and smileys in one click!
Test internet download speed by downloading image from any of your frequently visited sites. Provide image link and size for test
Classic Context Menus
This extension restores Opera 12 context menu items and includes a lightweight bookmark manager.
Scrolls the websites smoothly when scrolling with the mouse wheel or the keyboard
Open new tab
Open links as background tabs by clicking links and holding for a half second.
WizNote Web Clipper
The extension “Wiz Note” can help you to save the web content or the whole website in your own account.
Activates Content Meter library for web-pages.
uTorrent easy client
Extension add uTorrent web GUI in your web browser
I don't care about cookies
Remove cookie warnings from tens of thousands of 'infected' websites.
Make a list of all video on selected channel!
A quick simple notepad for your browser.
Notifications on new emails, review topic of the email and sender, quick switch to reading emails.
YouTube™ Auto Pause/Stop
Automatically Pause or Stop YouTube™ Videos from Playing.
Easy 1-click bookmarking with Crestify
GC Little Helper
Some little things to make life easy (on www.geocaching.com).
Meldium Browser Extension
Automatic login to all your favorite web apps.
Pass a link to mobile device.