Mobile Ads Frameworks that support unity

Hi

I looked into the forums for some sort of list but all I found is a specific answer for a specific ads network.

What I am looking for is a list of all(Or at list most) mobile ad Networks(AdMob, AirPush, Applifier..) that can be used in unity framework(That have SDK for unity like they have for native languages), what's the limitations, the ad plugins costs in case it's not for free.

My target is only iOS and Android devices, So i only need support for those two.

I Would appreciate if someone will create such a list or share the link if it's already exists.

tnx :)