But for those whose adsense applications have been rejected these will be useful.

Showings ads on your blog or website is a great way to earn some money. But you should be careful while selecting the network. Most of the new ones doesn't show any ad other than Advertise here link.

Here is the list

1. Adsense - Publisher network of Google.The best one in the market.

2. Adbrite- contextual advertising network is a big growing network.

3.Bidvertiser-Minimum payout of$10 by paypal.

4.Chitika-Search targeted Advertising.

5.Adtoll- Many forms of advertising. Pay Per Click , Banner , Video , Text ,peel ads etc.

6.Advertise.com-offers publishers flexible solutions to create a steady income stream.

7.Yahoo Publisher network-YPN Display ads that are relevant to the content of your site and earn money from qualified clicks.

8.Click Booth-CPA Network.

9.Query Ads-PPC Advertising.

10.Joomla Ads-Best suited for Publishers with websites related to IT web development programming.

11.Azoogleads-performance-based online advertising network , variety of effective large to medium vertical sites, portals and email publishers.

12.Claxon- offers you multiple ad formats, accurate stats, timely payments (check, wire, & Paypal), low minimum earning requirements, high fill rates, and the ability to preview ads, opt out of ads, and set up defaults.

13.Antventure-Join the AntVenture network to sell your inventory and maximize revenues with every single impression.

14InlinkBlog friendly.

15.Buysellads.com-Super-high 75% payout (all fees included)

16.Adengage- Technorati Inc

17.Guruji.com Ads- Mainly for Indian Sites.

18.Exit Junction-New affiliate program

19.Kontera- Mainly Inlink ads.

20.Adsbingo-Pay Per Click Advertising Program & Affiliate program.