What are some alternatives?
When comparing PowerInbox and ZergNet, you can also consider the following products
Nativo - Nativo is an advertising technology platform for brand advertisers and publishers to scale, automate, and measure native ads
MGID - MGID is a native advertising platform to acquire visitors, monetize websites, build new audiences, and grow traffic.
StackAdapt - Native advertising demand side platform.
Visitmotion - Visitmotion is a content discovery network that delivers targeted visitors to websites looking to boost their audience.
Adobe Advertising Cloud - Adobe Advertising Cloud is ads providing a platform that lets your media-related thing to lift on the high note.
Taboola - Drive traffic to your site, blog or video, or monetize your site with the largest platform for content recommendation, audience acquisition, and native advertising.