Interesting add-ons that I don't use or have not installed
Displays a timeline of the current active tab's history in a sidebar.
MurdochAlert warns you whenever you visit one of the 100+ Murdoch Family-controlled websites. If you're not ready to block them all, MurdochAlert can warn you instead. Also it's handy for identifying news sources controlled by the Murdoch Family.
This add-on use regex to change a text when it is copied or pasted. Useful to
- paste modified text in a form field or url in the address field
- copy in another application some text from the web, modified when put in the clipboard
Dormancy 'retires' tabs that have gone unused for a while, freeing up that memory. It then restores the tabs to life when accessed.
EXPERIMENTAL. MAY EAT YOUR SESSION OR DO OTHER BAD THINGS.
More In Content UI in Firefox 4!
New tabs retain the session history of the originating tab. Links opened in a new tab won't have a blank history, but one that is populated from the "parent"...