Check Places is a Firefox addon that checks your bookmarks for offline webpages and duplicates.

BetterPrivacy is a Firefox addon that prevents storage of non-deletable ’super cookies’.

Firefox 3.5 has a known issue of long startup time. This post provides the explanation and some tips on speeding up the Firefox boot time.

A quick about:config hack to make older, incompatible Firefox addons work with the new Firefox 3.5.

Firefox extension Page Title Eraser hides window and tab titles of specific tabs chosen by you. It affords you more privacy while browsing.

Firefox extension TwitKit brings Twitter to your Firefox sidebar. You can see public timeline, user time line and tweet from the sidebar. A preference window allows you to choose refresh interval, URL shortener and themes.

Firefox addon Reload Every automatically reloads tabs you choose, at the time intervals you choose.

Lazarus is a Firefox extension that recovers text you entered into any form in Firefox.