Microsoft Dynamics CRM is a sophisticated business application platform that provides the basic services required by ISVs, VARs, and even business analysts to build upon. A wide range of applications can be created with this platform. These applications may be based on Microsoft Dynamics CRM but are not limited to CRM-type applications.
Microsoft Dynamics NAV is a business management solution that helps small and mid-sized organizations streamline their highly specialized business processes, rapidly adapting to the unique way they do business. Through the rapid adaptability, simplified customization, and ease of use offered by Microsoft Dynamics NAV, you can easily add functionality, custom applications, and online business capabilities that enhance the built-in industry-specific functionality that's relevant to the local needs of customers' businesses.