zettair is a compact and fast text search engine produced by the Search Engine Group at RMIT. It was designed for simplicity as well as speed and flexibility. One of its primary features is the ability to handle large amounts of text efficiently. It was previously named lucy, and was renamed around May, 2004. Installation instructions can be found the file named INSTALL. zettair was written in C and has been tested on Solaris and Linux. It is available for download from http://www.seg.rmit.edu.au and is licensed under the GPL. Please send feedback/bug reports to zettair@cs.rmit.edu.au