www.co.cc

You can earn from  co.cc by reffer free domain.

www.ziddu.com

You can earn from ziddu by uploads file & you will get bonus for download.

www.cz.cc

You also earn from cz.cc by reffer domain.

www.hotfile.com 

You can earn from ziddu by uploads file & you will get bonus for download like ziddu.

www.bravenet.com

Earn from bravenet by reffer user.

www.chitika.com

You will get bonus from chitika if you reffer user them & they earn from chitika.

www.odesk.com

Earn from odesk by reffer buyer & provider