This article is from the Spreadsheets FAQ, by Russell Schulz casfaq@locutus.ofB.ORG with numerous contributions by others.
I will happily include a pointer to any Internet resource (in
Section 6) for any spreadsheet manufacturer.
In this section, I will also put email addresses and a few
telephone numbers (toll-free wherever you are, and
internationally-accessible for the rest of the world) for ones
which run natively on Unix.
16.1 WingZ (Commercial spreadsheets for UNIX)
wingz-sales@wingz.com
16.2 Xess (Commercial spreadsheets for UNIX)
info@ais.com, support@ais.com
+1 919-942-7801
1-800-334-5510
16.3 NeXS (Commercial spreadsheets for UNIX)
nexs-info@xess.com
+1 919-387-0076
16.4 MacroCALC (Commercial spreadsheets for UNIX)
Axel_Reinhold@t-online.de
16.5 XQuad (Commercial spreadsheets for UNIX)
info@axene.com
16.6 Mesa (Commercial spreadsheets for UNIX)
info@plsys.co.uk
+44 1494 432422
17 Patents and Copyright (spreadsheets: Legal issues)
17.1.1 Natural Order Recalc (US Patent 4,398,249)
see http://www.lpf.org/Patents/against-software-patents.html
[error 1998/Jan/24 -- no longer the League for Programming Freedom]
see ftp://prep.ai.mit.edu/pub/lpf/techrev.patent [error 1999/Apr/10]
see http://lpf.ai.mit.edu/Patents/against-software-patents.html
see http://www.gnu.org/bulletins/bull12.html#TOC9
see http://www.hotwired.com/wired/archive/2.07/patents.html
see http://www.ba-iplaw.inter.net/info/federal/patent/95-1350.txt
[error 2001/Apr/18]
see http://www.gcwf.com/articles/ipusum96.htm#patent
[error 1998/Sep/02]
see http://pennie.com/abs496.htm
[error 2001/Apr/18]
see http://www.base.com/software-patents/disputes.html
17.2 Interface Copyright (spreadsheets: Legal issues)
17.2.1 Lotus vs. Borland and Paperback Software
see http://www.borland.com/ProgServ/US/legal/lawsuits.html
[error 1997/Jun/01]
see http://www.borland.com/programs/developer/legal/legal.html
[error 2001/Apr/18]
see http://www.borland.com/programs/developer/legal/lotus_am.html
[error 2001/Apr/18]
see http://www.borland.com/programs/developer/legal/lotusbrf.html
[error 2001/Apr/18]
see ftp://prep.ai.mit.edu/pub/lpf/look-and-feel.text [error 1999/Apr/10]
see http://www.computerlaw.com/lookfeel.html
 
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