SearchTools Listings (see also Perl Search Engines)

o ASPSeek (free)
o Datapark Search (free)
o ht://Dig (free)
o JXTA Search (free)
o Lucene (free engine, no crawler)
o MG (Managing Gigabytes book and system)
o mnoGoSearch (free for Unix, low cost for Windows)
o Namazu (free)
o Nutch (free)
o OpenFTS (free)
o OpenWebSpider (OWS) (free, open source) "" ""
o PLWeb (free, partial open source)
o Solr java Code LibraryUnix-based tool Windows-based tool
o SWISH-E (free)
o SWISH++ (free)
o WebGlimpse (free)
o Xapian Code Library (free)
o XML Query Engine (GPL)
o Zebra (free, mainly Z39.50 server)



資料來源 :
http://www.searchtools.com/tools/tools-opensource.html