Proxy

http://www.videoproxies.com/
http://video-proxy.com/

Meta

http://www.metatube.com/

Gen

http://genvideos.me/
http://www.genyoutube.net/
https://genvideos.org/

See

https://www.viddsee.com/

Share

http://www.mustshare.net/
http://www.vidsshare.com/

Absolute

http://www.absolutesight.com/

Test

http://testtube.com/

Blooper

http://en.wikipedia.org/wiki/Blooper 
https://www.youtube.com/results?search_query=Blooper

Ton

http://www.tentonhammer.com/