Best AdNetwork list for Google AdSense alternative

Primarily CPM Based Ad Networks

Primarily CPA/CPL Ad Networks

Primarily CPC AND/OR Text Based/Contextual Ad Networks

Shopping/Comparison Networks

“Non-Standard” Ad Networks (PopUps, Expandables, Pay Per Post, etc.)

Specific Demographic Ad Networks

NON-US Primarily CPM Based Ad Networks

NON-US Primarily CPC AND/OR Text Based/Contextual Ad Networks

NON-US Primarily CPA/CPL Ad Networks

source: http://www.johnchow.com/other-advertising-networks-besides-google-adsense/