Facebook Audience Network - Facebook Audience Network is designed to help monetize your apps and websites with ads from global Facebook advertisers.
StackAdapt - Native advertising demand side platform.
Exapik - Exapik is a data-driven mobile app monetization platform.
Zemanta - Zemanta is an online content and links suggesting platform that provides a plugin to the bloggers, publishers and other types of content creators.
Tappx - Tappx is an open app developers community for monetization and cross-promotion.
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.