better then akismet? If it’s free then yes
if you cannot find it here, you cannot find it anywhere. StackOverflow is a site by programmers for programmers. Try to answer one of those questions, they’re hard.
I wanted to mention this website a while ago… Save a list of your favorite music, and get to watch video clips with scrolling lyrics all at once. Yes, they’re “stealing” from youtube and other sites, but they do it so well!
This is awesome, and I hope that the author will make some more of these… You simply type some text, press a button, and out comes a diagram. Now, wasn’t that easy?
This page has lots of algorithms. Whether they are actually optimal or not I don’t know (I think they are, probably generated by ACube).
together with jsdate.com this gives a very nice human-computer-interface. No more weird time and date issues. You can just say ‘see you tomorrow’ to the computer and it will understand.