Next few days Google Ad Manager publishers will be upgraded to DFP for Small Business. It is streamlined version of DoubleClick for Publishers, specifically targeting ever growing publishers. Do not hesitate to create an account if you already have one at the DFP site.
The upgrade will bring forth simplified ad trafficking workflows, robust reporting options, and an open Web Services API, what people have been asking for ages, according to Googles
Introducing DFP Small Business Sphere: Related Content