Ok, ok. I don't really have anything truely serious, but here's some not so not serious stuff.

Dogpile

Searches many search engines to find what you want.

Hotmail

Recieve a free E-mail address, even if you don't have the internet yourself.

Fortune City

The best place for free web space. 10 megs free!

Geocities

The other place for free web space. Only 2 megs free.