Namazu is a full-text search engine intended for easy use. Not only does it work as a small or medium scale Web search engine, but also as a personal search system for email or other files.
Features
For searching a great amount of documents quickly, Namazu makes an index in advance. The concept of index is just Similar to an index of book.
Namazu is being developed by Namazu Project. Namazu will work on UNIX, Win32 and OS/2 environments. For Win32, you can find Namazu for Win32: a Full-Text Search Engine page. For OS/2, OS/2 port of Namazu a full text retrieval search system is maintained by Shimizu-san. Each page provides binary package also.
Not only with cgi interface of Web, it works on command line as namazu. Other frontends are also available from other sources, such as namazu.el and Wanderlust on Emacs, Tknamazu on X Window System and Search-S on Win32.
Filters enable namazu to index various formats of files. Mail/News filter works with no additives, some other type requires third partie's filter executable although the calling capabilites included in Namazu package.