For businesses who are not ready to invest in Microsoft SharePoint 2010 product, Microsoft have an alternate solution for free – Microsoft Search Server Express 2010.
As can be seen from the comparison table, you can get away with Search Server 2010 Express in a situation where people and expertise search, integration with My Site is not on your shopping list.
In fact if either of the two were on your shopping list, then you would have made a decision to go for SharePoint Server 2010.
|Product Features||Search Server 2008 Express||Search Server 2010 Express||SharePoint Server 2010|
|Performance with sub-second response time||3 million items*||10 million items*||100 million items|
|Search analytics reporting||Yes||Yes||Yes|
|User interface–based (UI-based) administration||Yes||Yes||Yes|
|Relevancy tuning by document or site promotions||Yes||Yes||Yes|
|Common connector framework for indexing and federation||Yes||Yes||Yes|
|Search from Windows 7 and Windows Mobile||Yes||Yes|
|Metadata-based refinement panel||Yes||Yes|
|Metadata extraction on managed properties||Yes||Yes|
|Scriptable deployment and management using Windows PowerShell||Yes||Yes|
|Relevance improves with social behavior||Yes||Yes|
|Query suggestions, related searches, and improved “Did you mean?”||Yes||Yes|
|People and expertise search||Yes|
|Taxonomy and term store integration||Yes|
|Phonetic and nickname search||Yes|
|Integration with My Site||Yes|
|* Assumes use of Microsoft SQL Server.|
|The following connectors come out of the box in Search Server 2010 Express and SharePoint Server 2010:|
|Windows file shares|
|Exchange public folders|
|IFilters for additional repositories|
|Structured content in databases|
|Federation object model|
So if you have made the decision to go with Search Server 2010 Express, then download Search Server 2010 Express and get started.
You may find these instructions to install Search Server 2010 Express useful, just in case.