Deven R.  Digital Marketing Expert
baklinkwatch, ahrefs, webmaster tool, backlink explorer are free tools.
Sep 29th 2015 02:26   

Khudadad Alam  Seasoned SEO Professional
You can go to seoclerks.com and find very good backlinks services for some dollars starting from 1 dollar :)
Oct 2nd 2015 23:07