LibreOffice FOSS Community, OW2online, June 2020

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LibreOffice was announced in 2010 and will celebrate its 10th anniversary in 2020. During these 10 years, the global community has grown from a small group of volunteers - mostly based in Europe - to a large and diverse group of free software advocates active in most countries. The presentation will discuss the challenges faced by the community during its incredible growth over the past 10 years. Presentation by Itali Vignoli, Founding Member of the Document Foundation.

Technology

LibreOffice 10th Anniversary
the untold story of a global
FOSS community
Italo Vignoli

10 Years / 20 Years
July 19, 2000: Sun announces OpenOffice.org
Sept 28, 2010: OpenOffice.org community announces LibreOffice

Gamalielsson, J. and Lundell, B. (2011) Open Source communities for long-term
maintenance of digital assets: what is offered for ODF & OOXML?, in Hammouda, I.
and Lundell, B. (Eds.) Proceedings of SOS 2011: Towards Sustainable Open Source,
Tampere University of Technology, Tampere, ISBN 978-952-15-2718-0, ISSN 1797-836X.

The Document Foundation
Founding Principles
COPYLEFT LICENSE
NO CONTRIBUTOR AGREEMENT
MERITOCRACY
COMMUNITY GOVERNANCE
VENDOR INDEPENDENCE

Sep10
Oct10
Nov10
Dec10
Jan11
Feb11
Mar11
Apr11
May11
Jun11
Jul11
Aug11
Sep11
Oct11
Nov11
Dec11
Jan12
Feb12
Mar12
Apr12
May12
Jun12
Jul12
Aug12
Sep12
Oct12
Nov12
Dec12
0
100
200
300
400
500
600
Cumulative Number of LibreOffice New Code Committers
New Hackers Old Hackers

3.5 3.6 4.0 4.1 4.2 4.3 4.4 5.0 5.1 5.2 5.3 5.4 6.0
0
5.000
10.000
15.000
20.000
25.000
30.000
Growth in unit tests over time
count of various CPPUNIT macros
Asserts
Tests

German Comment Translation
3.3 3.4 3.5 3.6 4.0 4.1 4.2 4.3 4.4 5.0 5.1 5.2 5.3 5.4
0
10.000
20.000
30.000
40.000
50.000
60.000
Detected lines of German comment

Achievements
• Reduced footprint of the software
• Undertaken long awaited code renovation
• Removed tens of thousands lines of dead code
• Removed deprecated libraries
• Translated many German comments to English
• Many other code renovation actions
• All: paying down substantial technical debt
• Using 20'th Century C++ constructs

Git Commits by Organization
37.01%
28.58%
21.45%
6.27%
4.16%
LibreOffice Git Commits (Last Two Years)
Collabora
Volunteers
RedHat
CIB
TDF
Munich
SIL
Others

Commits Based on Fuzzing
2011-01
2011-05
2011-09
2012-01
2012-05
2012-09
2013-01
2013-05
2013-09
2014-01
2014-05
2014-09
2015-01
2015-05
2015-09
2016-01
2016-05
2016-09
2017-01
2017-05
2017-09
2018-01
2018-05
0
50
100
150
200
250
Commits per month easily attributable to various tools
WaE
valgrind
ubsan
ofz
forcepoint
crashtesting
cppcheck
coverity
asan
afl

Ask Q&A and Comments
March 2018 – February 2020

Community by Numbers
69
182
690
79.34%
15.55%
5.11%
Community by Numbers
People Outside - Contributions Inside
Core
Regular
Casual

Native-Language Communities
• Localization teams are growing (Weblate stats)
• 145 active languages
• ~119 shipping languages
• 4605 users
• 404532 translations made
• Thanks to so many for their hard work translating !

LibreOffice User Base Estimate
In term of number of users worldwide, we provide the following
estimate based on a global number of PC users between 2 and 3
billion (90% Windows, 8% macOS, 2% Linux):
● 100% of desktop Linux users (between 40 and 60 million)
● 10% of desktop Windows users (between 180 and 270 million)
● 10% of desktop macOS users (between 16 and 24 million)
So, we pick the lower figure of 236 million users worldwide, and we
further reduce it to 200 million users worldwide to account for some
duplications.

Donation Trends
2014
2015
2016
2017
2018
2019
10000
100000
1000000
65.579 71.839
82.036
69.256
59.244 63.338
595.000
748.029 807.534 745.207
855.846 906.470
Donations x Year
Number Amount

Thanks
Italo Vignoli
The Document Foundation
italo@libreoffice.org
italo@vignoli.org

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LibreOffice FOSS Community, OW2online, June 2020

1. LibreOffice 10th Anniversary the untold story of a global FOSS community Italo Vignoli

2. 10 Years / 20 Years July 19, 2000: Sun announces OpenOffice.org Sept 28, 2010: OpenOffice.org community announces LibreOffice

3. SEPTEMBER 28, 2010 OpenOffice.org Community announces The Document Foundation The community of volunteers developing and promoting OpenOffice.org sets up an independent Foundation to drive the further growth of the project The brand "LibreOffice" has been chosen for the software going forward

5. Gamalielsson, J. and Lundell, B. (2011) Open Source communities for long-term maintenance of digital assets: what is offered for ODF & OOXML?, in Hammouda, I. and Lundell, B. (Eds.) Proceedings of SOS 2011: Towards Sustainable Open Source, Tampere University of Technology, Tampere, ISBN 978-952-15-2718-0, ISSN 1797-836X.

6. The Document Foundation Founding Principles COPYLEFT LICENSE NO CONTRIBUTOR AGREEMENT MERITOCRACY COMMUNITY GOVERNANCE VENDOR INDEPENDENCE

7. The Document Foundation

8. LibreOffice Main Asset

9. Incredible Easy Hacks

10. Sep10 Oct10 Nov10 Dec10 Jan11 Feb11 Mar11 Apr11 May11 Jun11 Jul11 Aug11 Sep11 Oct11 Nov11 Dec11 Jan12 Feb12 Mar12 Apr12 May12 Jun12 Jul12 Aug12 Sep12 Oct12 Nov12 Dec12 0 100 200 300 400 500 600 Cumulative Number of LibreOffice New Code Committers New Hackers Old Hackers

11. 3.5 3.6 4.0 4.1 4.2 4.3 4.4 5.0 5.1 5.2 5.3 5.4 6.0 0 5.000 10.000 15.000 20.000 25.000 30.000 Growth in unit tests over time count of various CPPUNIT macros Asserts Tests

12. German Comment Translation 3.3 3.4 3.5 3.6 4.0 4.1 4.2 4.3 4.4 5.0 5.1 5.2 5.3 5.4 0 10.000 20.000 30.000 40.000 50.000 60.000 Detected lines of German comment

13. Achievements • Reduced footprint of the software • Undertaken long awaited code renovation • Removed tens of thousands lines of dead code • Removed deprecated libraries • Translated many German comments to English • Many other code renovation actions • All: paying down substantial technical debt • Using 20'th Century C++ constructs

14. Git Commits by Organization 37.01% 28.58% 21.45% 6.27% 4.16% LibreOffice Git Commits (Last Two Years) Collabora Volunteers RedHat CIB TDF Munich SIL Others

15. Coverity Scan Score

16. Google’s OSS-Fuzz

17. Commits Based on Fuzzing 2011-01 2011-05 2011-09 2012-01 2012-05 2012-09 2013-01 2013-05 2013-09 2014-01 2014-05 2014-09 2015-01 2015-05 2015-09 2016-01 2016-05 2016-09 2017-01 2017-05 2017-09 2018-01 2018-05 0 50 100 150 200 250 Commits per month easily attributable to various tools WaE valgrind ubsan ofz forcepoint crashtesting cppcheck coverity asan afl

18.

19. Ask Q&A and Comments March 2018 – February 2020

20. Community March 2018 – February 2020

21. Community by Numbers 69 182 690 79.34% 15.55% 5.11% Community by Numbers People Outside - Contributions Inside Core Regular Casual

22. LibreOffice Community

23. Native-Language Communities • Localization teams are growing (Weblate stats) • 145 active languages • ~119 shipping languages • 4605 users • 404532 translations made • Thanks to so many for their hard work translating !

24. LibreOffice User Base Estimate In term of number of users worldwide, we provide the following estimate based on a global number of PC users between 2 and 3 billion (90% Windows, 8% macOS, 2% Linux): ● 100% of desktop Linux users (between 40 and 60 million) ● 10% of desktop Windows users (between 180 and 270 million) ● 10% of desktop macOS users (between 16 and 24 million) So, we pick the lower figure of 236 million users worldwide, and we further reduce it to 200 million users worldwide to account for some duplications.

25. Donation Trends 2014 2015 2016 2017 2018 2019 10000 100000 1000000 65.579 71.839 82.036 69.256 59.244 63.338 595.000 748.029 807.534 745.207 855.846 906.470 Donations x Year Number Amount

26.

27. Providers of LTS Versions

28. Our Dream

29. Thanks Italo Vignoli The Document Foundation italo@libreoffice.org italo@vignoli.org