Sugar CRM
The best available CRM product online may well be made by Sugar CRM. This has become the preferred customer relationship tool of many very large companies, and the company makes a ton of features that help with all aspects of dealing with customer relationships. If customer retention and employee efficiency are as important to you as are new sales, then you probably want to take a demo tour of Sugar CRM. You can try this software tool out online, or they can send a sales rep to you and show you how large enterprises and put Sugar CRM to the best use.