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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This release adds more than 20 new features, including phonetic indexation, optical character recognition for PDF files and images, a SOAP Web service, geolocated search, YouTube, Dailymotion, and Vimeo indexation (using APIs), crawl caching on filesystems or Hadoop bases, a smaller memory footprint, and faster execution.