A platform from Microsoft that is used to create intranets (internal websites) for team collaboration, blogs, wikis and company news. It is also commonly deployed to extend certain information to customers via password-protected websites.
Working in tandem with Microsoft's SQL Server, IIS Web server and Windows Server, SharePoint is an extensive offering that interfaces with Microsoft applications as well as third-party apps via a large group of SharePoint programming interfaces (APIs). SharePoint Online provides much of the functionality of a local SharePoint server while hosted in the cloud. See intranet