AppleSearch was a client/server search engine from Apple Computer, first released for the classic Mac OS in 1994, being one of the first desktop search engines. AppleSearch was a client/server application, although the vast majority of the logic was located in the server. The server portion periodically crawled a set of administrator-configured locations on hard drives, CD-ROMs and the network using AppleShare, indexing the documents it found after converting them to plain text using the Claris XTND document conversion system. A later version of the server, 1.
https://en.wikipedia.org/wiki/AppleSearch