Many people have started using Google's AdSense program, but there are some who find it a bit too uncertain or simply not suiting their own requirements from an ad program.
But thankfully for such people, there are many alternatives to AdSense which attempt to alleviate some of its shortcomings. Here is a list of the most noteworthy ones from the lot with a description concerning each one.
First of all: BingAds Microsoft platform.
RealContext uses Artificial intelligence to retrieve the most relevant ads for your page. And there's an extra feature which makes RealContext unique as well. Keywords are selected based upon which previous selections payed off and which didn't. That means there's a constant feedback process that ensures you gain better revenue from your ads. It also supports blocking certain adds and child-safe filtering and many more options.
Clicksor will earn you as much as 60% from the amount of money your website produces. What you get is about the same as AdSense, there are targeted text ads, you can view the revenues from your website in real time. You can receive money via PayPal or through a check every two weeks, provided that you have earned more then $50. If you haven't made that much, your earning roll over to the next period.
Clickbank (http://www.clickbank.com). It's an affiliate marketing network with thousands of offers!
Offervault (http.//www.offervault.com). Like the above one.
Peerfly (https://www.peerfly.com). Like both the above.