Addon Manager with Profiling
Manage your addons on multiple profiles from a toolbar panel
All EMSC Earthquakes
APR to APY
Convert Annual Percent Rate to Annual Percent Yield based on various compounding methods ranging from daily to yearly
Asciidoctor.js Live Preview
Render AsciiDoc (.ad, .adoc, .asc, .asciidoc) as HTML inside Opera!
A tool for web developers to preview blend modes on different page elements.
Canonical Url Open
A push on a button will open Web page URL for full browsers (for personal computers) with a new tab.
Currency rates on web pages
Simple version of Delshekaste
Favorite Users - Reddit
Highlight submissions and comments by your favorite users on Reddit.
Search & Replace
Extension for search & replace in forms fields.
Annotating the Web
Add-on, by Mediamaster.eu, to easily add annotation functionality to any webpage
Opens Todoist(https://todoist.com) in the sidebar. This is an unoffical extension.
TrustaFact is the easiest way to determine which sites protect your money, privacy, and information.
Future Value Calculator
Calculate future value of present asset or cash based on potential interest rate and inflation
G2reader - A Google Reader Replacement
Highlight YouTube-integrated Comment
Highlights YouTube-integrated comment.
Basic photo editing tools. Get online image with context menu to edit with basic tools
Expanding Markbooq need to access your bookmarks.
MetroDeck enhances TweetDeck with the Metro UI and other improvements.
Extension provides you a simple way to toggle visibility of password inputs in forms.
PDF to Image Converter
Convert one or more files PDF to images
Shows a quick reference of selected word from Wikipedia
VK Player Controller
This is a part of VK Player Controller for OS X.
XBMC Remote Control
XBMC Remote Control for Opera
Wordgram - vocabulary manager
Interactive world visa map
Google Calendar events in your Speed Dial.
The current weather for where you are, right in your Speed Dial.
Use Facebook Messenger from within your browser with Desktop Notification
Gismeteo weather forecast in speed-dial
Gismeteo weather forecast in speed-dial. Real time weather and detailed forecast all round the world