What are some alternatives?
When comparing 360 Polaris and OpenX, you can also consider the following products
MoPub - MoPub is a mobile monetization platform that helps publishers drive more revenue from advertising and mobile transactions.
AdSense - Earn money with website monetization from Google AdSense. We'll optimize your ad sizes to give them more chance to be seen and clicked.
AerServ - AerServ offers monetization solution for mobile publishers.
Google Ad Manager - Grow revenue wherever your users are with an integrated ad management platform that surfaces insights for smarter business decisions.
AppNexus - AppNexus technology powers the most innovative trading solutions and marketplaces for Internet advertising.
px - px tells you what processes are running on your system and how they are interconnected.