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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