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.
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More than 50 new features and bugfixes were added. An index can be replicated on a remote server. An n-grams filter and a shingle filter provide new possibilities, such as a suggestion box, wrong spelling tolerance, and automated topic generation. A database crawler supporting join queries and external files was added. Several improvements were made to the Web crawler, such as a URL exporter, sub-domain extraction, an exclusion list, manual crawling, and a parameter filter. An API and Web interface for monitoring and supervision was added. The new audio parser offers the ability to index torrent, MP3/MP4, OGG Vorbis, FLAC, and WMA files.
