- Merlijn van Deen: interface localisation and site-based configuration
- Oren Bochman: evaluate articles; user:?Bot
- Tobias, Wikidata: automated UI testing with Selenium
- Andrew Pearson (TParis): unblock system on en.wp
- Harry Burt: translating images
- Brandon Harris: design stuff
- Kai Nissen (WMDE): RENDER
- Daniel Mietchen, Wikipedian in Residence on Open science
- Wikipedia Cite-o-Meter, plugins for the Open Access Media Importer; JATS-to-MediaWiki; flagging of OA-ness; exporting Open Access File of the Day beyond MediaWiki (e.g. to RSS, for embedding in blogs); cross-wiki usage stats
- Dario Taraborelli: WMF; product research ; citation data, reference data, Wikipedia Cite-o-Meter. Data sets, visualization
- Siebrand Mazeland: WMF; language support
- Jeroen de Dauw: Wikidata
- Tim Alder (Kolossos): OpenStreetMap
- Christian P. and Emmanuel Engelhart: a first prototype of a ZIM reader using Cordova Qt and C++
- Finn Aarup Nielsen (fnielsen): Numerical data and computations in wikis (in Lua and Wikidata?). Sentiment analysis/bias detection in Wikipedia