I will say it depend on how much data you have to search and how tightly link is the search to your business requirements. If you are in search of some casual

I will say it depend on how much data you have to search and how tightly link is the search to your business requirements. If you are in search of some casual search mechanism with few thousand records to index, go for open source; if not you may have to implement your own search engine. I am in the business of search engine though I can’t tell you much without violating my non-compete agreement. Another option is to look at our hosted search solution not yet in beta. What will be interesting for you will be the data search service, a completely customizable search solution. Check it out here http://www.intelliverb.com/PESS/ http://www.intelliverb.com/PESS/