Worlddo Professional is a web CRM software, with invoicing, accounting, contact management, and project tracking system. It comes with built in groupware, including mail, calendar, address book, file management, messaging system and more. It includes modules for customer management, lead tracking, project management, sales tracking, workflow management and other CRM (customer relationship management) related tasks. Worlddo has intentionally been kept simple and clear user interface, and requires no training. Test the LIVE demo at http://www.worlddo.com