No Ads Sites

We always talk here about site monetization but lets get sites which does not show advertisements for site monetization.

I would add my favorite

http://en.wikipedia.org/

I could not recall any other site as of now.

 

My favorite : www.crackmes.de

 

Just found this by random search : http://www.nimesh.com/
Take a look at it, it has no ads, but it does not have any content too, except a Tic-Tac-Toe ! :rofl:

 

That includes mine !

Well, I just remembered a really good site : http://projecteuler.net/