Gmail (Pin Tab) от Senthil Ponnusamy

ADDON FEATURES
-Zero configuration.
-No need to enter your credentials.
-Single click to access your Gmail.
-Supports multiple Gmail accounts.
-Cross-platform (Windows, Linux, MacOS X).

PINNED TAB FEATURES:
-Pinned Tabs are small.
-Pinned Tabs don’t have a close button. so you can’t accidentally close them.
-You can still close them by right-clicking on them and selecting Close Tab.
-Pinned Tabs notify you with a blue highlight (glow) when they change.
-Links to other websites open in a new tab so that your Pinned Tab doesn’t change.
-All of the existing Pinned Tabs (when you close browser) will open as Pinned Tabs when you start browser again.
-Additional information about Pinned Tabs http://mzl.la/1BARsAT.