How to become a MediaWiki hacker/Volunteer achievements

Volunteer developers are the reason that MediaWiki exists. This page is a place to list what's been done by volunteer devs (including those devs whose volunteer work was so helpful that they were later hired to work on MediaWiki professionally).

''Please help expand this list or add dates and links to extensions that were written by volunteers. ''

MediaWiki software

 * original MediaWiki software: Magnus Manske, Lee Daniel Crocker

Reading

 * The table of contents – Erik Möller

Editing

 * Section editing – Erik Möller