Ekstensi
Workspace Tab Counter
A tab counter specifically for GX, which counts tabs per workspace too.
ICQ for Sidebar
Run ICQ Web in Sidebar
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
SunBible
A beautiful way to read, study, and memorize the Bible
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
GeoKW
Zaznacz lub wpisz numer KW, aby uzyskać informacje o działkach w tej księdze.
KJMZ DA BLAZE
Listen KJMZ DA BLAZE Radio with Opera Browser.
Blendup
A tool for web developers to preview blend modes on different page elements.
Landmarks
Allows you to navigate a web page via WAI-ARIA landmarks, using the keyboard or a pop-up menu.