AdHitz - Lets you sell ad space on your site. You choose the details and then paste the code to your site.

HyprMX - HyprMX offers mediation and mobile monetization solutions.

AdVirte - An advertising network for both advertisers, and free for web-masters who want to monetize websites...

Flymob - Flymob is a mobile ad mediation technology helping advertisers and publishers to maximize profits and performance.

Google Ads - Easily boost website traffic and sales with Google AdWords. Appeal to customers who are already interested in what you are advertising by appearing on Google searches.

Mobvista - Mobvista offers mediation and mobile advertising solutions.