Google Ad Manager - Grow revenue wherever your users are with an integrated ad management platform that surfaces insights for smarter business decisions.

AdSense - Earn money with website monetization from Google AdSense. We'll optimize your ad sizes to give them more chance to be seen and clicked.

OpenX - Ad technology platform available as a hosted service or as an open source download.

AdEngage - AdEngage is an online platform of buying and selling ads.

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

ONE by AOL - Ad Serving and Supply Side Platform (SSP)