License Distribution

Bernhard Reiter bernhard at intevation.de
Thu Jun 21 10:45:32 UTC 2001


In January I have posted my 
estimates on Free Software License distribuions [Reiter 2001].
It was based on data by freshmeat and sourceforge announcements.

Additional accounts of license frequencies have been conducted 
for Redhat 6.2 [Wheeler 2000] and 7.1 [Wheeler 2001] distributions.
The conclusions based on the estimations seems to be backed by the data.

Following [Wheeler 2001], probably non-free licenses deleted:
 15185987 (50.36%) GPL
  2498084 (8.28%)  MIT
  2305001 (7.64%)  LGPL
  2065224 (6.85%)  MPL
  1315348 (4.36%)  BSD
   907867 (3.01%)  BSD-like
   455980 (1.51%)  GPL, LGPL
   323730 (1.07%)  GPL/MIT
   321123 (1.07%)  Artistic or GPL
   191379 (0.63%)  PHP
   173161 (0.57%)  Apache-like
   161451 (0.54%)  OpenLDAP
   146647 (0.49%)  LGPL/GPL
   103439 (0.34%)  GPL (programs), relaxed LGPL (libraries),
                   and public domain (docs) 
   103291 (0.34%)  Apache
    73650 (0.24%)  W3C
    73356 (0.24%)  IBM Public License
    59354 (0.20%)  Public domain
    39828 (0.13%)  GPL and Artistic
    31019 (0.10%)  GPL or BSD
    25944 (0.09%)  GPL/BSD
    20722 (0.07%)  MIT-like
    18353 (0.06%)  GPL/LGPL
    12987 (0.04%)  Distributable - most of it GPL
     8031 (0.03%)  Python
     6234 (0.02%)  GPL/distributable
     1941 (0.01%)  GPL (not Firmware)


Following [Wheeler 2000], probably non-free licenses deleted:
	9350709 GPL
	1927711 MIT (X)
	1087757 LGPL
	1060633 BSD
	 383922 BSDish/Xish/MITish
	 278327 Miscellaneous (QPL, IBM, unknown)
	 273882 GPL/BSD
	 206237 Artistic or GPL
	 104721 LGPL/GPL
	  49851 None/Public Domain

	Bernhard

References:

[ Reiter 2001 ]
	License Distribution (Post to discussion at fsfeurope.org 22.1.2001)
	Bernhard Reiter <bernhard at intevation.de>
	http://mailman.fsfeurope.org/pipermail/discussion/2001-January/000371.html

[ Wheeler 2000 ]
	Estimating Linux's Size
	David A. Wheeler (dwheeler at dwheeler.com)
	November 6, 2000
	Version 1.03

	http://www.dwheeler.com/sloc/redhat62-v1/redhat62sloc.1.03.html
	http://www.dwheeler.com/sloc/



[ Wheeler 2001 ]
	More Than a Gigabuck: Estimating GNU/Linux's Size
	David A. Wheeler (dwheeler at dwheeler.com)
	June 20, 2001
	Version 1.01

	http://www.dwheeler.com/sloc/redhat71-v1/redhat71sloc.html
	http://www.dwheeler.com/sloc/



On Mon, Jan 22, 2001 at 07:02:26PM +0100, Bernhard Reiter wrote:
> Conclusion: Active and visible project on freshmeat and sourceforge
> definately are dominated by the GNU GPL by an order of magnitute!
> 
> The LGPL seems to be second with unprotected free software types
> BSD/MIT/PD being in the same league.


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