OpenSearchServer is a powerful, enterprise-class, search engine program. Using its Web user interface, crawlers (Web, file, database, etc.), and REST/RESTFul API, you can integrate advanced full-text search capabilities into your application.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
This first developer release is already pretty stable. There are a lot of improvements. The main new features are the possibility to index only the specified content, extracting term frequency informations, a new API to list, create, or modify fields in a specified schema, and secured access with privileges.
