Google AdSense:->
Adsense is the big daddy of the CPC ad networks with their excellent contextual engine, lots of advertisers, higher than average CPCs and financial muscle to back it all up. Adsense is still the network to have unless you’ve been banned or in a niche that Google offers low CPCs for Payout at 100$.AdSense is best for large traffic sites which result in higher revenues.It is totally dependent on Context of your web site which considreably increases chances of earning.Also Google ads has a natural appeal to attract people.


AdBrite:-

Adbrite is a well established Ad marketplace that offers publishers with a number of ways to monetize their websites. These include CPCs, CPMs, In-Line Ads, Video Ads, Full Page Ads and also an option for advertisers to buy a link on a website for a period of time.
Their CPC concept revolves around their Site Directory of Publisher Sites where advertisers can choose to place ads on websites of their choice. Advertisers also have the option to place network Ads which allows the ads to be shown on publisher websites of the selected demographics

Adbrite encourages advertisers to bid maximum on your site.Pays minimum of 5$ through paypal.One thing to remember, as with most networks is that it takes Adbrite a few days to register and collect the stats of your site to sell to their advertiser network. With Adbrite especially as your site doesn’t even appear in their Site Directory until 5-6 days.
Bidvertiser:-



Bidvertiser’s CPC model is based on advertisers bidding on your site and the ads with the highest bid is shown. There is also an option for based on demographics which is how most ads will be shown initally.Overall, I think worth a try for the right kind of site due to its high CPC. We registered a couple of clicks at over USD1 which I expect to occur more often as advertisers bids for our site.It pays minimum of 10$ through paypal.It worth trying.

Chitika:-

Chitika offers a number of ways for publishers to implement their CPC ads onto their web sites. Chitika has labeled their eMiniMalls as a interactive product merchandising service and is basically a banner ad that promotes products from Chitikas merchant partners.As with most shopping network referral CPC, reports are audited before payment so expect to see a change to the revenue shown on your report before auditing is complete. We are finding the Unaudited earnings to be quite high at over 0.15USD CPC and their range of ad types means that you can see which one fits your site best.Minimum payment 10$ paypal.

WidgetBucks:-

WidgetBucks is a new shopping network based CPC network that claims above USD2 CPM. But it is not good for international CPM as rates are relatively low.Minimum payment 50$ cheques.When launched WidgetBucks took the Internet Marketing World by storm with steady 0.5USD clicks and nice looking ads. Recently, the world has found that the high CPC was before auditing which made it come down to more realistic figures. It still offers very attractive CPCs at over 0.2USD and have gained quite a following.
A lot of webmasters are still withholding judgment for when WidgetBucks starts its first payday which should be sometime in December 07.Payment on net-45 basis.