Popular alternatives include OrbitSoft DSP, Platform.io, AdMachine White Label DSP, AdOperator and Admedo.
Key factors include Audience Targeting, Reporting, Omnichannel Campaign Management, Real-time Bidding, Contextual Targeting and pricing.
Tools like StackAdapt, The Trade Desk, Choozle, Adzooma and Hybrid Platform are best for small businesses for Demand Side Platform (DSP).