Wikimedia Hackathon 2019 Prague experiences

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Listen to internet radio with Raspberry Pi and the Wikimedia Nederland soundbox

These are the summary minutes about the experiences of Geertivp at the m:Wikimedia Hackathon 2019 in Prague from 17-19 May 2019.

This conference is mostly for software developers, wanting to learn to program software modules that interact with MediaWiki platforms.

Some proactive advice[edit]

  • Plan your travel, and foresee contingency (in my case due to an ATC strike in Brussels it took me 16 hours to arrive in Prague)
  • Try to have a hotel in the neighbourhood of the event
  • You need to learn mw:Phabricator first before arriving at the hackathon
  • Preferably have a laptop running Linux (Ubuntu, Mint) - possibly on an Oracle VM VirtualBox (Windows, Mac)
  • Do not forget a powercable, micro-USB for your mobile, wireless mouse
  • Identify a list of project and tasks that you want to work on, or information/training/advice/skill that you would need to acquire
  • Make a list of persons that you would like to see/talk to/brainstorm
  • Keep online notes (preparation for an event report like this)
  • Be prepared to meet a lot of friends

Focus Areas[edit]

  1. New editor experiences:
    • Newcomers that don't edit on the first day are unlikely to come back.
    • Requesting the reason for creating account.
    • Most new accounts click edit on the first day.
    • Many new accounts click on things that are not helpful.
    • Clicking on user page, that does not bring anything useful.
    • Or they are lost in help pages.
    • Not saving edits.
  2. Commons for mobile devices
  3. Education tool: WikiEdu Dashboard
    • you submit a Wikipedia classroom assignment or make edits to your course page
    • you add or remove someone from a course
    • you assign articles to students
    • you send public messages to students
    • All course content you contribute to to this website will be freely available under the Creative Commons Attribution-ShareAlike license (the same one used by Wikipedia).

Useful Tools[edit]


Alicia Fagereving was presenting the "monumental tool" developed in Sweden.

Problem: No clear copyright regulation.

If you are interested in Wikidocumentaries, see, a Wikibase platform for citizen historians to transform cultural heritage into structured data; join us on

Tool to use Wikidata to make an inventory and document musea:

Ideas for the Movement[edit]

We should spend more activities for seniors, kids, education in general, universities, government, GLAMs. Those people have time/are motivated.

We should implement {{Wikidata Infobox}} the way it is done on Wikimedia Commons Categories.

Software development[edit]

The source of many disagreements

(marketing) Weaknesses of the MediaWiki platform:

  • What about the MediaWiki future for external instances?
  • We do not know the external userbase...
  • The involvement of consultants is not tracked.
  • We do not systematically gather new requirements from external "customers"
  • We do not know the environments and incompatibilities for external "customers"


Wikibase is a MediaWiki extension, also programmed in PHP. So you might become a Mediawiki and/or a Wikidata developer.

Could we possibly know the potential (marketing potential, business plan) for private Wikibase instances?

Product and Technology[edit]

Key questions[edit]

  • How can we better match resources to needs and expectations?
  • How can we make decision making more inclusive (while keeping it functional)?
  • How can we better attract, support and retain diverse technical contributors particularly: building and supporting local developer communities and prioritizing projects which will engage technical contributors?

Quick Takeaways[edit]



It all ended with 30 teams presenting their results on Wikimedia hackathon showcase 2019.

Thanks to all to make this possible. See you next year.