Calculator with multiple math functions that help people doing math easily.
Remember, Bookmark and share your favorites links, Create your own web clippings , news, info , interests.. Discover what interest your friends.
Compare 'n' Shop - online shopping comparison
Compare price, deals, coupons, context search, desktop notifications and more.
colwiz Web Importer
Import articles, annotate PDFs, and save them to your colwiz library directly from your Opera browser.
Coverage reports overlay in Github and Bitbucket.
CURRENCY HELPER - helps with many currencies
The extension provides handy conversion of currencies on web pages and useful currency calculator.
Organize your work!
The dZ-Dot gives your dataZoa account access to billions of data series from hundreds of supported sites around the Web.
Write and execute ES6 within DevTools!
Faviconize Search Result
Adds favicons next to Google search results.
This show you the real time stock market information.
Edit and make beautiful formulas in your Browser
Free Kindle Books
Free Kindle Books and Kindle Book Deals are directly in your browser
fresh bytes of technology and more
Opera Extension for FOP2.
EditorConfig support for GitHub
Hide To Print
Hide html element to Print web page
InstaNote Fast Creator
Create fast notes with a password, then edit it in a new tab. Simple and fast.
For memrise website, with this extension you can add a timer configuration, transform square hebrew at cursive hebrew, show charts, difficult words, listen words with TTS
Netatmo Weather Widget
This extension allows you to access your netatmo stations' data directly from your browser!
OMG! Ubuntu! for Opera
The official OMG! Ubuntu! extension
RAR Stats Radio
Basic Statistics of Radio icecast y shoutcast(v1 and v2)
Quickly opens the JIRA with the corresponding ticket
Redirects URLs / modifies HTTP headers arbitrarily.
Rick Roll - Tabs
Makes you Rick-rolled :P
Allows Opera 15+ to display SML web pages
A smarter way to bookmark web pages
Keyboard shortcuts for manipulating tabs
Free to Play Slot Games as Seen in Las Vegas
What day is it?
Show today's day. Simple! Additionally shows calendar to determine day of any other date