Extensions by Name
Open URIs Requires Restart
Allow trying a URI or URIs (esp. a special protocol or URN) in links before falling back to href (and allowing alternate URIs)
Open URL Requires Restart
allows you to highlight and open unclickable links on webpages.
Open vnc url`s in UltraVnc for Windows and TightVnc for Linux
Right-click a Mediawiki-style link (as used at Wikipedia) to be able to go directly to its edit page.
Open With Requires Restart
Quickly test out your web pages in Internet Explorer, Chrome, Safari, or Opera. Open With opens the current page in your other browsers with just one click. Add Open With to your menus, toolbars and developer toolbox today!
Open With Adobe Illustrator is a new companion for web designers, graphic designers and in general whom like to use Illustrator.
Open With Google Chrome sends pages from Mozilla Firefox to Google Chrome.
Open With Internet Explorer sends pages from Mozilla Firefox to Internet Explorer.
Open With Microsoft Edge sends pages from Mozilla Firefox to Microsoft Edge.
Open With Opera sends pages, links, tabs and images from Mozilla Firefox to Opera.
Open With Photoshop is a new companion for web and graphic designers to open up any web image with Adobe Photoshop via a single and quick mouse click.
Open With Vivaldi Browser sends pages from Mozilla Firefox to Vivaldi browser.
Eliminate pain from working at a computer desk and office with this Add On. Displays fun, rejuvenating exercises in regular, non-distracting intervals to eliminate pain and restlessness from eye, back, neck, and arm pain. Live and work free again!
Opens a link in Reader mode.
The text extraction used is demo from http://boilerpipe-web.appspot.com
OpenAttribute Requires Restart
Displays license and attribution information for Creative Commons licensed content.
Openattribute link Requires Restart
Searches links for licenced content on web pages linked to from this page.
If you do a google search this add on will check all the search results for CC licences.
OpenAttribute Picture Augment Requires Restart
Add licensing to pictures