BrowserCRM Lite Description:

BrowserCRM 'Lite' is for companies who require strong contact management functionality and internet-based businesses requiring a plug-in web site back-end.
PHP and Web developers have the option of a source code version and Web Modular Application Toolkit, WebMAT(tm), for rapid custom development. BrowserCRM Lite users can upgrade to BrowserCRM Professional for a fully featured CRM application.

BrowserCRM Professional is a complete, integrated, browser-based business CRM solution built on a MySQL and PHP foundation and runs on Linux or Windows Servers. It is packed with sophisticated contact management and groupware functionality, allowing you to handle your customer relationships better, streamline company communications, and manage staff more effectively.