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.
Due to the
load being handled by the NCSA WWW server there may be times that you are unable to get the NCSA Mosaic Home Page when you first start Mosaic. This in no way should effect your ability to retrieve documents from other sites. To alleviate this problem you may want to
set an alternate home page
for Mosaic to automatically load on startup.
For information on how to use NCSA Mosaic for X, see:
the NCSA Mosaic demo document
For the security minded read about
Mosaic Security Concerns.
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.
Please also note that the online documentation is not yet updated for version 2.x. In the interim, see
help on version 2.0.
Credits and Copyright
NCSA Mosaic is a product of the
Software Development Group
National Center for Supercomputing Applications
at the University of Illinois at Urbana-Champaign.
NCSA Mosaic is
but free for academic and research use. See
the NCSA Mosaic copyright.
The NCSA Mosaic for X developers are
and the other
CERN World Wide Web wizards
for the WWW client library code and all of their other work on the WWW project, and to everyone out in netland who has contributed to Mosaic's development either directly (through comments or bug reports) or indirectly (through inspiration and development of other systems).
You can retrieve copies of NCSA Mosaic in both source and executable binary form from
NCSA's anonymous FTP server,
Problems or Comments
If you have problems or comments concerning NCSA Mosaic, please first read the
FAQ list; if they don't answer your question or resolve your complaint, send your comments to
firstname.lastname@example.org. (You can also use the Mail Developers option under the
Please also send a note if you find NCSA Mosaic useful or particularly interesting -- we want to hear from you.