Download MS SQL Server feature pack and benefit from a collection of additional components that add value to your SQL platform! You can get enhanced reporting capabilities, tools that integrate with Excel and SharePoint, and even policy based management that helps you follow SQL Server best practices. System requirements for these packages may vary according to the specific package, and different packages may have different installation methods. Furthermore, if you don't like Microsoft to get notified when an error occurs, make sure that you disable any Error and Usage Reporting components that these packages may have. These are enabled by default.
The Microsoft SQL Server 2008 R2 Feature Pack is a collection of stand-alone packages which can be downloaded from here: