FeaturesmnoGoSearch (formerly known as UdmSearch) has number of unique features, which make it capable of wide range of application - from search within your site to a specialized search system.
Full text indexing. Different priority can be configured for body, title, keywords,
description of a document.
Supporting all widely used single- and multi-byte character sets,
including UTF8, as well as most of the popular Eastern Asia languages.
Automatic document character set and language guesser for about
70 charset/language combinations.
HTTP/1.0 support
FTP support
NNTP support (both news:// and nntp:// URL schemes) in standard and extended modes.
HTTP Proxy support
Local file system indexing support (file: URL schema)
Fuzzy search: different word forms, synonyms, substrings
C CGI, PHP3, Perl search frontends
Search on subsection of database
It is very flexible. You can configure mnoGoSearch to run in
different modes, including 'ftpsearch mode' (searching through
URLs rather than their content),'link validation'
(to check site for bad references), 'netminder' (What's new since
...?). There is also extended news support built
into the package.