What are some alternatives?
When comparing AdSense and Google Marketing Platform, you can also consider the following products
AdRoll - AdRoll is a leader in retargeting display advertising. Draw the right people with the right strategies.
OpenX - Ad technology platform available as a hosted service or as an open source download.
Celtra - Leading creative technology for data-driven brand display advertising across all screens.
Epom Ad Server - An ad serving solution for publishers, advertisers, ad and affiliate networks
Choozle - Choozle offers a cloud-based platform with data-driven tools that enable companies to analyze customer behavior and grow their business.
Infolinks - Discover what Infolinks smart ads can do for you