1. Charels Cao@APIGM

2. Content management system A content management system (CMS) [1][2][3] is a computer program that allows publishing, editing and modifying content as well as maintenance from a central interface. [1][2][3] computer programpublishingeditingcontent CMSs are often used to run websites containing blogs, news, and shopping.blogs newsshopping

3. A CMS helps you: keep your website well organized and comprehensive, reduce the site maintenance costs, increase your data security.

4. Joomla, Drupal and Wordpress

5. Joomla

6. Drupal

7. Wordpress

8. Popularity http://www.google.ca/trends/explore#q=wordpress%2 C%20Joomla%2C%20drupal&cmpt=q

9. Alexa

10. Developing

11. Strength

15. Result

16. Wordpress

18. Joomla

20. Drupal

22. Demos Joomla http://demo.joomla.org/

23. Wordpress www.possiblelab.com

24. Drupal http://www.opensourcecms.com/scripts/details.php?s criptid=191