Opera Software:Producers of the fast, small, reliable Opera Browser for multiple platforms. Features include mail, news and ICQ clients, rss, IRC, projection mode, WML support, mouse gestures and extensive keyboard support.
30 Days to Becoming an Opera 7 Lover: Timothy Luoma's 30 days series gives a brilliant overview of all Opera7 options.
Bookmarklets for Opera: Free tools for power surfing. Each tool is a small JavaScript application which you can bookmark directly from the page and use from your Bookmarks or Hotlist.
GreyMagic Security Advisory: Reading Any Local File in Opera: Security vulnerability in Opera 6.01 and 6.02. Describes how a character entity can be used to upload an arbitrary local file to a remote server, without the user's knowledge.
Joe's Slim Software: Freeware programs by Josef W Segur, including OFE and O4FE, opera file explorers, also OpWic, an Opera windows controller.
Locating Missing Opera Library: Opera's RPM install for Linux is missing the libXm.so.2 libraries. Installing Lesstif first will correct the issue.
My Opera: Skins for Opera, forums, links, polls and daily comic.
Opera Bug Report Form: Bugs found in any version on any platform can be reported here.
Opera Fixes and Tweaks: Lots of bug fixes and tweaks for the mail client in Opera. You need to be competent with a hex editor, but the fixed files are also downloadable.
Opera for Linux Browser FAQ: Answers frequently asked questions regarding Opera for Linux. Many of the tips and tricks are applicable to all platforms, such as how to customize search queries and URL filtering.
Opera for Mobile: Information and news about Opera's web browser for smartphones and PDAs.
Opera for Symbian OS: Information including FAQ sections, bug lists and reviews for Opera 5 and 3.62 for the Symbian platform.
Opera Public Mailing Lists: Opera mailing lists.
Opera Search.ini Editor: A tool to customize the search-function in Opera, to add favorite search engines.
Opera Users FAQ: An independent FAQ compiled from regular questions and answers posted to the Opera mailing list.
Opera Watch: A blog covering the latest buzz on the Opera browser and its competition.
Opera Web Browser Changelogs: Changelogs for the Opera web browser.
Opera Web Browser Knowledge Base: Information to help you if you have a specific problem or a technical question about using Opera.
Opera Web Browser WIKI: A collection of information relating to tips, customization, and technical details of the Opera web browser
Opera's search.ini illustrated: Explains what all the entries in Opera's search.ini mean and how to add custom search engines.
Quickshow: A presentation authoring tool. The presentations are displayable with the Opera web browser in OperaShow mode.
Tutti all'opera (Away from the browsersaurii): Discussion and essays about the Opera browser.