www.ddg.gg DuckDuckGo, an alternate search engine. Try typing stuff on the search bar like "!youtube cats, !reddit gaming or !google new york)
http://www.instantstreetview.com/ Like Google Street View but you could "walk" across your city/town even on an old Pentium 4 and a crappy Geforce2.
http://www.jamendo.com If you are tired of the same music which is on every place , this is for you. I've discovered ton of new bands.
http://pixabay.com/ Public domain pictures to use in any work.
http://www.forward.cat/ It creates a temp mail address which redirects to an actual one.
http://www.online-convert.com/ Online file converter
http://research.swtch.com/qr/draw Generate QR codecs from an image
https://ifttt.com/wtf Can't describe here, just think like a connection creator between 2 or more different web contents.
www.midomi.com Music recognizer.