Download the December 2008 Feature Pack for Microsoft SQL Server 2005, a collection of standalone install packages that provide additional value for SQL Server 2005.
The Microsoft SQL Server protocol documentation provides technical specifications for Microsoft proprietary protocols that are implemented and used in Microsoft SQL Server 2008.
Microsoft SQL Server 2005 Express Edition with Advanced Services is a free, easy-to use version of SQL Server Express that includes more features and makes it easier than ever to start developing powerful data-driven applications for web or local desktop development.
Microsoft SQL Server Management Studio Express (SSMSE) is a free, easy-to-use graphical management tool for managing SQL Server 2005 Express Edition and SQL Server 2005 Express Edition with Advanced Services.
Microsoft SQL Server 2005 Express Edition Toolkit provides additional tools and resources for SQL Server 2005 Express Edition and SQL Server 2005 Express Edition with Advanced Services.
Microsoft SQL Server 2005 Express Edition is a free, easy-to-use, lightweight version of SQL Server 2005. It is fast and easy to learn, allowing you to quickly develop and deploy dynamic data-driven applications.
Download SQL Server 2005 Data Mining Add-ins for Office 2007. This package includes two add-ins for Microsoft Office Excel 2007 (Table Analysis Tools and Data Mining Client) and one add-in for Microsoft Office Visio 2007 (Data Mining Templates).
The Microsoft SQL Server 2005 Reporting Services Add-in for Microsoft SharePoint Technologies is a Web download that provides features for running a report server within a larger deployment of Windows SharePoint Services 3.0 or Microsoft Office SharePoint Server 2007.
Abstract courtesy : Microsoft
Reference : Pinal Dave (http://blog.SQLAuthority.com)