"The Google Wave Notifier from Chad Smith installs in seconds and sits at the bottom of your browser displaying the number of waves that have updated since your last visit.

Once you’ve entered your login details you can set how often is checks your Wave account for updates."

"FireQuery is a Firefox addon integrated with Firebug. jQuery expressions are intelligently presented in Firebug Console and DOM inspector. Attached jQuery datas are first class citizens. Elements in jQuery collections are highlighted on hover. jQuerify: enables you to inject jQuery into any web page"

"This provides tree-style tab bar, like a folder tree of Windows Explorer. New tabs opened from links (or etc.) are automatically attached to the current tab. If you often use many many tabs, it will help your web browsing because you can understand relations of tabs."

"Skips unnecessary pages on sites like Rapidshare, Megaupload, zShare, Mediafire, and more."

"Take screen shots and edit images directly from your browser with Aviary.com applications."