Google AdSense, DoubleClick for Publishers, Spotsy, Ezoic, Broadstreet Ads, GreedyGame AdX, BuySellAds.com, AdHitz, Media.net, Kevel Ad Server, Epom Ad Server, Splicky, Logico, RTB House, ANTS Inbox Retargeting, Criteo, Gimbal, Zenovia Exchange, RTB House Personalized Retargeting, Sizmek, Rocketfuel, Amobee, Marin Software, Qadabra, BitPoster are some alternatives to AdRoll.