Would love to see other vendors add this event.

Quoted: IE went a step further and broadcasts the hashchanged event (the first browser to do so, as far as I know).

OK, so this pretty much rules. I have no idea why this isn't simply part of the core DOM inspector package.

Quoted: Adds an entry to the context menu to open the DOM Inspector on the selected element.

Evaluating trim functions for performance ... this really should be a standard library function.

Semi-official greasemonkey API for Gmail, sweet. Gmail Macros is already updated to use it.

Quoted: Greasemonkey is an integral part of the web experience for many experienced users. Google acknowledges that some people are going to change their own experience of our web applications regardless of what we do. Resistance, as they say, is futile. It would also be somewhat hypocritical. After all, a Google employee wrote Greasemonkey in the first place, another wrote these scripts to add functionality to Gmail, and a third wrote two books on the subject (and these docs).

Quoted: Conkeror is a mozilla based web browser designed to be completely keyboard driven, no compromises. It also strives to behave as much like Emacs as possible. This means all the keybindings and to-die-for features of Emacs that can be imitated by a javascript/XUL web browser Just Work.

User agent hacks to get your software installed, Google? Sounds like another company I know.

Quoted: You're right -- the Toolbar isn't compatible with IceWeasel. Though
previous Toolbars might've worked with IceWeasel, I can't promise
compatibility now.

Looks pretty cool.

Quoted: Firefox only: Record and replay your web activities with iMacros, a free Firefox extension.

Some detail on Firebug from its creator. Will give this a read next time I get to debugging.

Quoted: Firebug is a Firefox extension that includes all the tools you need for efficient debugging during the Web development process.

Bug with "CSS Style Rules" panel in Firefox 2.