mMosaic is a derivative work of many softwares. Ideas, part of code, are copyrighted by their autors. That is a probleme for commercial usage. Here is a list of Copyrights:

• NCSA Mosaic Copyright
• Bull Copyright (xpm)
• Ripley Software Copyright (XmHTML)
• United States Government (Postscript printing)
• University of California (some multicast)
  include software developed by the Network Research Group at Lawrence Berkeley National Laboratory.
• RSA Data Security, Inc.
• David Koblas (gifread.c)
• Bell Communications Research, Inc. (Bellcore) (MIME.c)
• XV Software 3.10a . See the copyright notice of xv-3.10a
• E.N.S.T.