WIKIMEDIA TECHNICAL AREAS Wikimedia Technical Areas MediaWiki Skins MediaWiki Extensions Mobile Apps Web and REST APIs Templates Gadgets and User MediaWiki Core Desktop Apps Machine Learning Bots scripts Cloud Services Site Operations Quality Assurance / Continuous Integration Translation Design Documentation MediaWiki Extensions ● Extends the functionality of MediaWiki software ● Most recommended area for newcomers to get started ● Help develop new or improve existing extensions Skills required: PHP, jQuery, Javascript, CSS/ LESS, MySQL/MariaDB MediaWiki Extensions Extension Echo ● Provides a notification system that can be used by other extensions too ● Mentors Moriel and Matt attending Wikimania Screenshot of Echo notification extension. CC BY-SA 4.0 Ethanlee16 Mobile Apps ● Available for Wikipedia and Wikimedia Commons ● Wikimedia Commons App ○ Allows uploading, or viewing nearby missing pictures ○ Featured project for new developers ● Mentor Vojtěch Dostál attending Wikimania Skills required: Objective-C/Swift (IOS), Java (Android) Commons app screenshot CC BY-SA 3.0 Yuvipanda Desktop Apps Kiwix ● A third party, offline content reader ● Allows access to Wikipedia content through Zim file format ● Featured project for new developers ● Mentors Matthieu, Emmanuel, Stephane attending Wikimania Screenshot of Kiwix running Wikipedia on an OLPC laptop. CC BY-SA 3.0, Victor Grigas Skills required: Swift (IOS), HTML5/JS (browser extension), Java (Android), C++/Python (tools & common codebase) Desktop Apps Huggle ● An anti-vandalism tool that helps revert edits that are problematic ● Featured project for new developers ● Mentor Petr Bena attending Wikimania Skills required: C++ & Qt framework Screenshot of desktop application Huggle Machine Learning Objective Revision Evaluation Service (ORES) ● Machine learning web service & API, allows scoring and evaluating an edit ● Featured project for new developers ● Mentors Aaron & Adam attending Wikimania CC BY-SA 4.0, Mun May Tee Skills required: HTML, JS, CSS, Python, Redis, Postgres, Python Scikit-learn, PHP (MediaWiki), MariaDB Cloud Services Empowers the work of technical contributors ● Provides a hosting environment for running bots and tools ● Support the operation, creation, and maintenance of these tools ● 1000+ tools hosted via these services CC BY-SA 4.0, Brandon Harris Cloud Services Tool example: Wiki Ed Dashboard ● Web application that supports Wikipedia education assignments, provides data and course management for instructors and students ● Featured project for new developers ● Mentor Sage Ross attending Wikimania Screenshot of WikiEd’s Program and Events Dashboard Skills required: Ruby, Javascript, HAML Web and REST APIs ● Look things up, write bots, create tools or visualizations, etc. ● Kind of stuff you can do: create or edit a page, view revisions, list citations, etc. Web and REST APIs ● Look things up, write bots, create tools or visualizations, etc. ● Kind of stuff you can do: create or edit a page, view revisions, list citations, etc. Listen to Wikipedia > MediaWiki Skins ● Look and feel of MediaWiki ● As a user ○ Choose your favored skin from your User Preferences ○ Or write a custom CSS > Userpage/commons.css ● As a developer ○ Help improve an existing or develop a new skin Templates Standard wiki pages embedded inside other pages Template:OP tabs {{OP tabs}} Skills required: Wikitext, HTML, CSS, Javascript, Lua Gadgets and User scripts Standard, on-wiki user scripts that extend the functionality of MediaWiki Navigation Popups Skills required: JS &/ CSS Bots ● Automated tools that help perform tedious or repetitive tasks related to a wiki (e.g. spell check, revert vandalism) ● Example Bot: Pywikibot Skills required: Python & related libraries Wikimedia Technical Areas MediaWiki Skins MediaWiki Extensions Mobile Apps Web and REST APIs Templates Gadgets and User MediaWiki Core Desktop Apps Machine Learning Bots scripts Cloud Services Site Operations Quality Assurance / Continuous Integration Translation Design Documentation Resources 1. How to contribute https://www.mediawiki.org/wiki/How_to_contribute 2. New Developers https://www.mediawiki.org/wiki/New_Developers Follow-up ● Email [email protected] ● Twitter @srish_aka_tux ● IRC #wikimedia-devrel on freenode Thank you!.