Surveys conducted year after year show that enterprise workers are disappointed with their intranet's search capabilities. IT strategists are finding search to be a tough problem and have learned that the most effective solutions can be significantly more expensive than expected. The most popular open source search solutions have been available for several years and are the basis for search capabilities provided by thousands of Internet sites and many software products. Like popular open source products that have come before, open source search is finding its way into enterprise computing environments by earning its stripes through successful implementations on the Internet - an ultra-competitive environment where a search-based user experience can be the difference between success and failure.