It's a regular expressions generator. I suspect this is the best thing ever for those who deal in RegEx.

For mashups and the like

I may need to do this someday. It sure would have come in handy while I was in a different time zone to ensure people at home actually read my musings.

A simple chatbox widget that can be embedded on any website (those that allow iFrames anyway). Nothing radical about it except you can have the same chat on different sites allowing you to hook up communities across blogs, for example. Hmm. (Credit to Jez who pointed out the latter to me)

A handy little tool that turns an email address into a mass of incomprehensible javascript that hides it from spammer but still works when you click on it. (If you have javascript enabled of course).

I like this. When Twitter is down you put what you were going to tweet in here and then when Twitter is up it sends them to Twitter. Magic.

Another getting things done app that might be worth checking out.

Managing muliple Twitter accounts on one page. To investigate.

This might be enough to tempt me back into website design. Doubtful though.

Like skitch for docs. VERY useful!

Long and link-full article by Paul Bradshaw rounding up loads of Twitter tools.