Where can I find prewritten PHP classes

[kobescoresagain]

I have found places like phpclass and others that charge for you to look at the library of classes. I would like to find somewhere that has classes that draw different Types of Business graphes. Any help would be greatl appreciated.

[noppid]

<a href="http://www.phpclasses.org" target="_blank">www.phpclasses.org</a>

[akanevsky]

<a href="http://pear.php.net/" target="_blank">http://pear.php.net/</a>