Australis, the new Firefox theme, made a great browser look awesome. And now it will also feel awesome using it!
Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.
Copy links to a page with one click, ready to paste anywhere else, eg. emails, blogs, forums and Twitter. Copy a single page, all open tabs or all links on a page.
Expands the context menu's 'Search for' item into a list of installed search engines, allowing you to choose the engine you want to use for each search.
Make sure your tabs stay visible all the time.
Tool for debugging Ember applications.
Adds a small badge to your tabs to alert you to (for example) new messages on Facebook. The badge is also visible when the tabs are pinned so you can see when there's something new available.
Changes the selected search engine in the search bar by scrolling the mouse over the searchbar or search context menu. Also supports keyboard shortcuts ctrl+k and ctrl+shift+k to change the search engine with the keyboard.
JumpStart your web experience.
When you open a new tab get immediate access to your most frequently used sites, bookmarks, closed tabs, history search. Similar to Google's Chrome new tab feature.
resumeLater lets you bookmark videos on Youtube and saves your current position. It allows you to resume playback at that position.