Reddit - Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.

Contextly - Contextly provides content recommendation system for publishers.

Digg - Digg delivers the most interesting and talked-about stories on the Web right now.

MGID - MGID is a native advertising platform to acquire visitors, monetize websites, build​ new audiences, and grow traffic.

Zemanta - Zemanta is an online content and links suggesting platform that provides a plugin to the bloggers, publishers and other types of content creators.

StackAdapt - Native advertising demand side platform.