London Opera Glass Company
Manufactures, installs and services opera glasses within theatres. The service is free to theatres, and allows patrons to rent opera glasses during a performance.
http://www.operaglasses.co.uk/

Opera Watch
Opera Watch - A blog covering the latest buzz on the Opera browser and its competition.
http://operawatch.com/

Allegro Music
Classical and (on the Opera d'Oro label) opera recordings.
http://www.allegro-music.com/

My Opera
Get your own blog and share your photos. You can also download skins and setups for the Opera browser.
http://my.opera.com

Opera Web Browser Knowledge Base
Information to help you if you have a specific problem or a technical question about using Opera.
http://www.opera.com/support/service/

Opera Users FAQ
An independent FAQ compiled from regular questions and answers posted to the Opera mailing list.
http://www.hallvord.com/opera/

Harrowden IT
Harrowden IT Ltd
http://www.harrowdenit.co.uk/

Opera Community
Get your own blog and share your photos. You can also download skins and setups for the Opera browser.
http://my.opera.com/community/

Opera Widgets
Widgets for Desktop, Mobile and TV. Browse, download and share widgets on Opera's official Widgets site. New widgets added daily.
http://widgets.opera.com/

Opera
Opera gives you the full Web experience everywhere
http://www.opera.com