Wirify is a bookmarklet that lets you turn any web page into a wireframe in one click.

Copy as Markdown link is v. handy.

"Quix is an extensible bookmarklet, that allows you to easily access all your bookmarks and bookmarklets, across all your browsers, while maintaining them in only one spot. All you have to do is remember the shortcut for the bookmarklet, so, basically, it’s like a command line for your browser!"

I didn't know about the 'Instapaper Text' bookmarklet (like Readability) or the 'Mobilizer view', which reformats web pages for nice iPhone reading.

An "extensible quick-search and shortcut bookmark."

A good list of bookmarklets, favelets, or whatever they're called.

A bookmarklet thingy that lets you access multiple bookmarklets. Very nicely done.

Very clever stuff, and, after using it five or six times, it works a treat.

Command line-style searching of del.icio.us.

For Firefox

A bookmarklet that shows you what, um, the del.icio.usphere is thinking about a given web page. Brilliant. (Though the pop-up sizing is no good if you have your browser set to open new windows in tabs)

Some require an API key.

A nice, fast extended bookmarklet interface to del.icio.us which suggests tags and lists your existing tags.

A new method for adding your weblog to Multimap maps, plus handy bookmarklets (I think I'm starting to obsess about linking virtual and physical spaces again).