# About NCSA Mosaic for the X Window System

NCSA Mosaic for the X Window System is a networked information discovery, retrieval, and collaboration tool and World Wide Web browser developed at the National Center for Supercomputing Applications.

## Online Documentation

- NCSA Mosaic for X online documentation
- NCSA Mosaic for X version information
- NCSA Mosaic for X Frequently Asked Questions

Special notices:

- An official response to various Mosaic Security Concerns
- Details on specifying an alternate home document

## Current Version Is 2.4!

Please note that the current released version of NCSA Mosaic for the X Window System is version 2.4. If you are running an earlier version, please upgrade.

## Credits and Copyright

NCSA Mosaic is a product of the Software Development Group of the National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign.

NCSA Mosaic is copyrighted but free for academic and research use. See the NCSA Mosaic copyright for details.

The Mosaic team would like to thank and acknowledge the efforts of Marc Andreessen and Eric Bina for the initial development of Mosaic. Thanks also go to Tim Berners-Lee and others at CERN for the WWW client library code and other work on the WWW project.

## Availability

You can retrieve copies of NCSA Mosaic in both source and executable binary form from NCSA's anonymous FTP server, ftp.ncsa.uiuc.edu.

## Problems or Comments

If you have problems or comments concerning NCSA Mosaic, please first read the documentation and the FAQ list; if they don't answer your question or resolve your complaint, send your comments to mosaic-x@ncsa.uiuc.edu. (You can also use the Mail Developers option under the Help menu.)