Hackathons/Previous hackathons

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This page aims to document all links from previous hackathons in one place: event pages, documentation of organizers work, lessons for improvement and outcomes in one place. Please help with regular updates!

Are you looking for events other than hackathons?


Types of hackathons[edit]

  1. #wmhack = The large yearly Wikimedia Hackathon, where the software MediaWiki is further developed. The name #wmhack is used in this column to visually set it apart from the Wikimania Hackathon, for better readability. (See also: Definition of a Wikimedia Hackathon and Explain the differences between the Wikimedia Hackathon and the Wikimania Hackathon)
  2. Wikimania = The hackathon at the yearly Wikimania (usually Northern Hemisphere spring/summer), normally held as a pre-conference in the 2-3 days before actual Wikimania starts. Until 2013, they were sometimes called Developer Days, Developer Meetings or DevCamp, but since they all were hackathons before a Wikimania, they are all listed here under this name. 
  3. DevSummit = The Wikimedia Developer Summit was an annual meeting to push the evolution of MediaWiki and other technologies supporting the Wikimedia movement.
  4. other = Any other hackathon event in the Wikimedia world, e.g. local hackathons.


Year Type of hackathon Location Main event page Lessons learned, feedback, suggestions for improvement Organization tracking

(Phabricator) + Reports

Outcomes + Official final blogpost + Showcase
2024 #wmhack Tallinn, Estonia Wikimedia Hackathon 2024 phab:tag/wikimedia-hackathon-2024
2024 other Online Wiki Mentor Africa Hackathon 2024
2023 Wikimania Singapore + online Wikimania Hackathon 2023 phab:tag/wikimania-hackathon-2023/
2023 #wmhack Athens Wikimedia Hackathon 2023 phab:tag/wikimedia-hackathon-2023
2022 Wikimania Online wikimania:2022:Hackathon
2022 other Online + Accra, Ghana African WikiMedia Technical Community - OFWA Hackathon
2022 #wmhack Online Wikimedia Hackathon 2022 phab:tag/wikimedia-hackathon-2022/
2021 #wmhack Online Wikimania Hackathon 2021
2021 #wmhack Online Wikimedia Hackathon 2021 Blogpost
2020 Wikimania Bangkok Wikimania Hackathon 2020 Postponed
2020 #wmhack Tirana → Online Wikimedia Hackathon 2020 Postponed and gone virtual.
2019/08/14-15 Wikimania Stockholm wikimania:2019:Hackathon phab:tag/wikimania-hackathon-2019-organization/ wikimania:2019:Hackathon/Outcomes
2019 #wmhack Prague Wikimedia Hackathon 2019 phab:tag/wikimedia-hackathon-2019-organization/ Showcase: phab:T216260

and Outcomes

2018 other The Hague Wiki Techstorm Wiki Techstorm/Reports
Wiki Techstorm/Report Wiki Techstorm 2018
2018 other Columbus WikiConference North America 2018 Hackathon notes
2018 DevSummit Portland Wikimedia Technical Conference 2018 Suggestions captured before the even: phab:T198988 phab:tag/wikimedia-technical-conference-2018-organization/ Wikimedia Technical Conference/2018/Session notes and

phab workboard

2018 other Rio de Janeiro Brazilian Hackathon 2018
2018/07/18-22 Wikimania Cape Town wm2018:Hackathon Suggestions captured during the event: phab:T199678

and Lessons Learned

phab:tag/wikimania-hackathon-2018-organization/ Showcase: phab:T199880
2018 #wmhack Barcelona Wikimedia Hackathon 2018 Suggestions captured during the event: phab:T194056 and Lessons Learned phab:tag/wikimedia-hackathon-2018-organization/

Wikimedia Hackathon 2018/Budget

Showcase: phab:T195219
2018 other The Hague Netherlands Hackathon 2018 - Women Tech Storm
2018 other Barcelona Wikimedia Hackathon 2018/Wikimedia and Open Science
2018 other Montpellier Wikimedia Hackathon 2018/Prehackathon Montpellier
2018 other Olot Wikimedia Hackathon 2018/Prehackathon Olot
2017/08/14-18 other Potsdam, N.Y. OFF.NETWORK
2017/08/9-13 Wikimania Montreal wm2017:Hackathon Hackathons/Wikimania 2017 Lessons Learned

see also links collected here: m:Wikimania#Past Wikimanias

phab:project/view/2806/ Showcase: phab:T195124
2018 DevSummit San Francisco Wikimedia Developer Summit/2018 WMDS18 Lessons Learned phab:project/view/3119/
2017/05/19-21 #wmhack Vienna Wikimedia Hackathon 2017 Wikimedia Hackathon 2017/Lessons Learned

Suggestions captured during the event: 


phab workboard

Wikimedia Hackathon 2017/Report


Showcase: T165941

2017 DevSummit San Francisco Wikimedia Developer Summit/2017 Wikimedia Developer Summit 2017/Lessons Learned

Suggestions captured during the event: 


2016 Wikimania Esino Lario wm2016:Hackathon Wikimania Hackathon 2016/Lessons Learned

see also links collected here: m:Wikimania#Past Wikimanias

phab workboard howcase: S


2016 #wmhack Jerusalem Wikimedia Hackathon 2016 Wikimedia Hackathon 2016/Lessons Learned

and Suggestions captured during the event

phab workboard

Wikimedia Hackathon 2016/Budget


Wikimedia Hackathon 2016/Showcase

2016 other Amman, Ramallah WikiArabia Tech Meetup 2016 phab:T132171 wmfblog:2016/04/28/wikimedia-hackathon/
2016 DevSummit San Francisco Wikimedia Developer Summit 2016 Wikimedia Developer Summit 2016/Lessons Learned
2015 Wikimania Mexico City wm2015:Hackathon wm2015:Feedback

Organizer Lessons learned: phab:T105435

see also links collected here:

m:Wikimania#Past Wikimanias

phab workboard (org column) Showcase: T102034
2015 #wmhack Lyon Wikimedia Hackathon 2015 Wikimedia Hackathon 2015/Lessons Learned   Wikimedia Hackathon 2015/Budget

m:Grants:PEG/WM Fr/Hackathon Lyon 2015/Report


Showcase: T96378

2015 DevSummit San Francisco MediaWiki Developer Summit 2015 MediaWiki Developer Summit 2015/Lessons learned
2014 Wikimania London wm2014:Hackathon Hackathons/Wikimania 2014 Lessons Learned

see also links collected here:

m:Wikimania#Past Wikimanias

2014 #wmhack Zurich Zürich Hackathon 2014 Zürich Hackathon 2014/Budget
2014 other Amsterdam Amsterdam Hackathon 2014
2014 DevSummit San Francisco Architecture Summit 2014
2013 other Tel Aviv Wikimedia Israel Winter Hackathon wmfblog:2014/01/21/wikimedia-israel-winter-hackathon/
2013 Wikimania Hong Kong wm2013:DevCamp

then called "Dev Camp" instead of Hackathon

2013 #wmhack Amsterdam Amsterdam Hackathon 2013 Amsterdam Hackathon 2013/Budget wmfblog:2013/06/04/volunteers-and-staffers-teach-learn-make-at-amsterdam-hackathon/
2013 other Tel Aviv Hackathon TLV 2013 wmfblog:2013/05/29/first-wikimedia-hackathon-in-tel-aviv-israel/
2013 other Pune Pune LanguageSummit February 2013
2012 other Bangalore Bangalore DevCamp November 2012 wmfblog:2012/11/22/engineering-devcamp-in-bangalore/
2012 other Hyderabad A one-night Wikipedia Hackathon on October 26 2012, held as part of the BITS Hyderabad tech fest from October 25 to 27, 2012  (link to event itself not available, just outcomes and report) blog
2012 other Amsterdam Amsterdam Hackathon 2012 (nl)
2012 Wikimania Washington D.C. wm2012:Hackathon wm2012:Feedback

see also links collected here:

m:Wikimania#Past Wikimanias

2012 other Berlin Berlin Hackathon 2012

This is handled as the first Wikimedia Hackathon, then called “Berlin Hackathon”

Berlin Hackathon 2012/Retrospective
2012 other Bangalore Bangalore Hackathon May 2012
2012 other Chennai Chennai Hackathon March 2012
2012 #wmhack Pune Pune Hackathon Feb 2012
2012 #wmhack San Francisco San Francisco Hackathon January 2012 wmfblog:2012/02/07/techies-learn-make-win-at-foundations-first-san-francisco-hackathon/
2011 #wmhack Mumbai India Hackathon 2011
2011 other Amsterdam Amsterdam Hackathon 2011
2011 #wmhack Berlin Berlin Hackathon 2011
2011 #wmhack Brighton Brighton Hackathon 2011
2011 #wmhack New Orleans NOLA Hackathon 2011 wmfblog:2011/10/28/tech-meetup-moves-wm-infrastructure-forward/
2011 Wikimania Haifa wm2011:Developer Days
2010 #wmhack Washington, DC Hack-A-Ton DC wmfblog:2010/10/23/reports-from-hack-a-ton-dc/


2009 DevSummit Berlin MediaWiki Developer Meet-Up 2009 wmfblog:2009/04/08/developer-meet-up-wrap-up/
2007 Wikimania Taipei Wikimania 2007 Hacking Days
2006 Wikimania Boston Wikimania 2006 hacking days
2005 Wikimania Frankfurt Wikimania 2005 hacking days
2004 other Berlin m:21C3/MediaWiki developer conference