Pixfuture - Pixfuture is a self serve advertisement platform for advertisers and publishers.
StackAdapt - Native advertising demand side platform.
Contextly - Contextly provides content recommendation system for publishers.
MGID - MGID is a native advertising platform to acquire visitors, monetize websites, build new audiences, and grow traffic.
Digg - Digg delivers the most interesting and talked-about stories on the Web right now.
Google Ad Manager - Grow revenue wherever your users are with an integrated ad management platform that surfaces insights for smarter business decisions.