Google Ad Manager - Grow revenue wherever your users are with an integrated ad management platform that surfaces insights for smarter business decisions.

Q-Stats - Get free marketing insights for every question on Quora.

AerServ - AerServ offers monetization solution for mobile publishers.

Site Rank Data - View historical rank information of websites via time series charts.

OpenX - Ad technology platform available as a hosted service or as an open source download.

Seoxan - check seo report for any website, alexa ranking, server information, meta tags, authority, page speed and more