AerServ - AerServ offers monetization solution for mobile publishers.
Optmyzr - Optmyzr AdWords Tools. Optimization Solutions, Quality Score Tracker, Landing Page Checker, and more. Free Trial Available.
OpenX - Ad technology platform available as a hosted service or as an open source download.
Fluent - Fluent is a people-based marketing platform that uses real-time, one-to-one interaction to create custom audiences and serve personalized ads that drive performance at scale.
MoPub - MoPub is a mobile monetization platform that helps publishers drive more revenue from advertising and mobile transactions.
LiveIntent - LiveIntent is a web platform that offers effective e-mail advertising services for marketers and publishers.