Top 5 Best Alternative for Google Adsense.

#1- AdBrite (In my opinion this is better then Google Adsense) Rate 5/5

#2- Clicksor (Really Good I recommend it to bloggers) Rate 4.8/5 

#3- InfoLinks (This one is Okay) Rate 4.5/5

#4- Bidvertiser (Excellent) Rate4/5

#5- Chitika Rate 3.9/5