There are lots of companies claiming to offer federated search engines.

Do you know any that come with a user group?

Consider this: what is the prime ingredient of a user group?

Answer: users.

WebFeat is used today by over 900 leading academic, public, and Fortune 500 libraries.

These aren't prototypes or works in progress. They're real, production systems, collectively logging millions of searches every month. Real systems. Real (happy) customers.

Helping users to find the information they need - today.