What other program related to google adsense are there?

Sigh: What other program related to google adsense are there?
I have heard of other programs related to google adsense such as Adbrite, but I wanted to know which ones are more profitable and popular. Also, does yahoo have an adsense related program? Has anyone tried it?

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Yes there are more alternatives are there for adsense. But u need to work for a large time get paid in Adbrite. You may use other alternatives such as Bidvertiser.com and kontera.com