Extensions by Name
Current weather and forecasts in your city
OpenWishes Birthday Reminder Requires Restart
With this "Birthday Reminder" add-on you will get reminded for the next upcoming birthdays directly in the browser statusbar.
OpenWith Requires Restart
Are you tired of over and over again looking for all the html/php/js-files you are working on in your web application? Then this add-on can help you and save loads of time by launching the files in your editor for you. Just select and launch...
OpenWLANMap GeoLocation Requires Restart
Configures Firefox to use the free OpenWLANMap project for geolocation; all your data that are required for geolocation are sent to this free project instead to a (commercial) 3rd party afterwards
Attempting to replicate the ease of use and cleanliness of the Opera Speed Dial
Operator Requires Restart
Operator leverages microformats and other semantic data that are already available on many web pages to provide new ways to interact with web services.
OperaView Requires Restart
Open pages in Opera from Firefox context menus. Very usefull for web developers!
This enables screen-sharing in the Firefox browser for users of the Ophthalmologylive demo application.
OPIE (Ordered Preference Import/Export) Requires Restart
Import/Export your Firefox extension preferences
OPIE2 Requires Restart
Advanced Import/Export extension preferences
OpinionCloud (for YouTube & Flickr) Requires Restart
The OpinionCloud summarizes comments on YouTube videos and Flickr photos in order to get an overview about the crowd's overall opinion.
Easy to use. Accurate. National And Global Weather Forecast. Firefox status bar icon. Extension contains current weather, detailed forecast, 7 day forecast, fast locations buttons. Oplao.com firefox official weather extension.
OPML Reader Requires Restart
Open a Feed Reader for any OPML Autodiscovery enabled page. You can choose between Optimal OPML browser and...
OPML Support Requires Restart
OPML Support adds OPML import/export functionality to the Firefox Bookmarks manager.
This extension disables Optimizely for the tab you are browsing, via a switch.
Optimoz Tweaks Requires Restart
Automatically shows the sidebar when the mouse cursor touches the left window border, and closes it when the cursor is over the web page...
Google Search redesigned for your sidebar. Search and results always within easy reach.
Options Dialog Restorer (ODR) Requires Restart
Ports the classic Options dialog to Firefox 42 and later.
Options Menu Requires Restart
Quick access to extension options dialogs