Zoho.com

Zoho is a business operating system—a single cloud software platform with all the applications to run an entire business. We have over 15 million users. Zoho’s productivity and collaboration suite include Email Hosting, Document Management, Office Suite and Project Management while the business applications range from CRM and Campaign Management to Customer Support, Accounting and more.
Zoho also offers WordPress plugins with a few apps, such as Zoho SalesIQ, Zoho Creator and Site24X7, for engaging website visitors in real time and managing web form submissions.