What it is: An enterprise-level content management system.
Type: Fee-based licensed software
Features: TeamSite manages, stores and analyzes web pages, documents, databases, source codes, and scripts.
Pros: TeamSite's digital marketing system makes for large corporations to more efficiently market through e-commerce, email marketing, and rich media management.
Cons: Being an enterprise level CMS, TeamSite will cost more then some businesses can handle.
All about TeamSite here.