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FOSS Licenses: A first attempt
1. Motivation
FOSS Licenses
Things you should remember!
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. FOSS Licenses
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Presenter: Emmanouil Dimogerontakis
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CC BY:
EMDC KTH
November 26, 2012
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 1/15
2. Motivation
What is FOSS?
FOSS Licenses
Licenses
Things you should remember!
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. . Motivation
1
What is FOSS?
Licenses
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. . FOSS Licenses
2
Overview
Most Important FOSS Licenses
More than software
.
. . Things you should remember!
3
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 2/15
3. Motivation
What is FOSS?
FOSS Licenses
Licenses
Things you should remember!
. Free Software
According to 1:
freedom to run the program, for any purpose
freedom to study how the program works, and change it so it
does your computing as you wish
freedom to redistribute copies so you can help your neighbor
freedom to distribute copies of your modified versions to
others
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1
http://www.gnu.org/philosophy/free-sw.en.html
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 3/15
4. Motivation
What is FOSS?
FOSS Licenses
Licenses
Things you should remember!
. Open Source Software
gives a similar definition with FSF.
but
more broad
more business-oriented
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 4/15
5. Motivation
What is FOSS?
FOSS Licenses
Licenses
Things you should remember!
. Software Distribution is Power
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Source: http://permaculturepolitics.blogspot.se/2010/07/hows-that-recessioney-oily-thing.html
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 5/15
6. Motivation
What is FOSS?
FOSS Licenses
Licenses
Things you should remember!
. Key Ideas
Traditional copyright
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 6/15
7. Motivation
What is FOSS?
FOSS Licenses
Licenses
Things you should remember!
. Key Ideas
Traditional copyright
Public domain
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 6/15
8. Motivation
What is FOSS?
FOSS Licenses
Licenses
Things you should remember!
. Key Ideas
Traditional copyright
Public domain
Copyleft
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 6/15
9. Motivation
What is FOSS?
FOSS Licenses
Licenses
Things you should remember!
. Key Ideas
Traditional copyright
Public domain
Copyleft
Copyfree
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 6/15
10. Motivation Overview
FOSS Licenses Most Important FOSS Licenses
Things you should remember! More than software
.
. . Motivation
1
What is FOSS?
Licenses
.
. . FOSS Licenses
2
Overview
Most Important FOSS Licenses
More than software
.
. . Things you should remember!
3
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 7/15
11. Motivation Overview
FOSS Licenses Most Important FOSS Licenses
Things you should remember! More than software
. Overview
The licenses:
more than 70 FOSS licenses
most important: GPL, BSD, MIT, Apache
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 8/15
12. Motivation Overview
FOSS Licenses Most Important FOSS Licenses
Things you should remember! More than software
. Overview
The licenses:
more than 70 FOSS licenses
most important: GPL, BSD, MIT, Apache
The struggle:
Community (or company) Viability VS User Freedom
Copyleft (or copyright) VS Permissive
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 8/15
13. Motivation Overview
FOSS Licenses Most Important FOSS Licenses
Things you should remember! More than software
. GPL
Name GPLv3 LGPLv3
approved Yes Yes
approved Yes Yes
Strong Weak
No No
Linking with other licenses No Yes
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 9/15
14. Motivation Overview
FOSS Licenses Most Important FOSS Licenses
Things you should remember! More than software
. BSD
Name ”original” ”new” ”simplified”
approved Yes Yes Yes
approved No Yes Yes
No No No
No Yes Yes
compatible No Yes Yes
Linking with other licenses Yes Yes Yes university-logo
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 10/15
15. Motivation Overview
FOSS Licenses Most Important FOSS Licenses
Things you should remember! More than software
. Apache
Name Apache v2.0
approved Yes
approved Yes
No
No
compatible Yes
Linking with other licenses Yes
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 11/15
16. Motivation Overview
FOSS Licenses Most Important FOSS Licenses
Things you should remember! More than software
. Creative Commons
Attribution
Share-alike
Non-commercial
No derivatives
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 12/15
17. Motivation Overview
FOSS Licenses Most Important FOSS Licenses
Things you should remember! More than software
. Creative Commons
Example:
Attribution
Share-alike
FOSS Licenses by Manos Dimogerontakis is licensed
Non-commercial under a Creative Commons Attribution-ShareAlike 3.0
Unported License.
No derivatives
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 12/15
18. Motivation
FOSS Licenses
Things you should remember!
.
. . Motivation
1
What is FOSS?
Licenses
.
. . FOSS Licenses
2
Overview
Most Important FOSS Licenses
More than software
.
. . Things you should remember!
3
university-logo
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 13/15
19. Motivation
FOSS Licenses
Things you should remember!
Source: http://www.davidicke.com/images/stories/Oct2012/remember-brain.jpg university-logo
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 14/15
20. Motivation
FOSS Licenses
Things you should remember!
Do not write your own license
Source: http://www.davidicke.com/images/stories/Oct2012/remember-brain.jpg university-logo
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 14/15
21. Motivation
FOSS Licenses
Things you should remember!
Do not write your own license
Check license compatibility
Source: http://www.davidicke.com/images/stories/Oct2012/remember-brain.jpg university-logo
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 14/15
22. Motivation
FOSS Licenses
Things you should remember!
Do not write your own license
Check license compatibility
Permissive = Good
Source: http://www.davidicke.com/images/stories/Oct2012/remember-brain.jpg university-logo
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 14/15
23. Motivation
FOSS Licenses
Things you should remember!
Do not write your own license
Check license compatibility
Permissive = Good
Support the community
Source: http://www.davidicke.com/images/stories/Oct2012/remember-brain.jpg university-logo
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 14/15
24. Motivation
FOSS Licenses
Things you should remember!
Do not write your own license
Check license compatibility
Permissive = Good
Support the community
Questions ?
Source: http://www.davidicke.com/images/stories/Oct2012/remember-brain.jpg university-logo
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 14/15
25. Motivation
FOSS Licenses
Things you should remember!
Sources:
http://www.fsf.org/
http://opensource.org/
http://creativecommons.org/
http://www.wikipedia.org/
Interesting links:
http://web.law.duke.edu/cspd/comics/
http://www.revolution-os.com/
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Presenter: Emmanouil Dimogerontakis CC BY: FOSS Licenses 15/15