Lotame - Make your data actionable, learn about your most valuable customers, improve ROI by targeting the right audience and increase relevance across screens.
netadge - NetAdge is a mobile demand-side platform.
Adobe Audience Manager - Adobe Audience Manager is a data management platform that integrates online and offline data to deliver a unified view of all your audiences
Persona.ly - Persona.ly offers game and app developers advanced tools for creating in-app advertising and acquiring quality users.
Google Audience Center - 3 votes and 6 comments so far on Reddit
LoopMe - LoopMe is a platform for all mobile video ad formats, covering pre-roll, HTML5 and VAST, including native and full-screen formats.