Extensiones
GTasks Sidebar
Google Tasks on sidebar (not official)
Site Settings Sidebar
Site specific settings on your sidebar.
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
Simple Vertical Tabs
Simple Vertical Tabs
KJMZ DA BLAZE
Listen KJMZ DA BLAZE Radio with Opera Browser.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
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.