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SharePoint 2010 Foundation SharePoint Server 2010 Standard SharePoint Server 2010 Enterprise
  Includes Foundation Features Includes Foundation and Standard Features
Browser-based Customizations Business Connectivity Services Profile Page Access Services
Business Connectivity Services Workflow Templates Business Data Integration with the Office Client
Business Data Connectivity Service   Business Data Web Parts
Client Object Model (OM) InfoPath Forms Services
Developer Dashboard  
Event Receivers
External Data Column
External Lists
Language Integrated Query (LINQ) for SharePoint
REST and ATOM Data Feeds
Ribbon and Dialog Framework
Sandboxed Solutions
SharePoint Designer
SharePoint Service Architecture
SharePoint Timer Jobs
Silverlight Web Part
Solution Packages
Streamlined Central Administration
Support for Office Web Apps
Visual Studio 2010 SharePoint Developer Tools
Windows 7 Support
Workflow
Workflow Models