Links to statistics about Wikimedia / MediaWiki software development.

Live statistics

• Wikimedia software statistics on Open Hub (formerly Ohloh), including many projects.
• Technical community metrics (Git, Gerrit, Phabricator, mailing lists) at https://wikimedia.biterg.io/.
• Gerrit:
  • Gerrit/Navigation#Reports
  • Gerrit/Reports
  • Gerrit reports on mediawiki.org
• Phabricator
  • Phabricator offers tables showing open tasks by priority and by either user or project. Burndown charts are available per sprint.
  • "Phabricator monthly statistics" emails on the wikitech-l mailing list - see its archives.
  • Active users and new accounts per month
• Mailing lists
  • Wikimedia mail stats and power posters.
• IRC:
  • Most active users on IRC: #mediawiki, #wikimedia-dev, #wikimedia-tech and others.
• Gerrit and Phabricator: WikiContrib to query the recent activity of a list of people (see phab:T220254).

Other selected statistics

• Yearly (?) code review statistics, including information about Gerrit reviewers.
• Test coverage trends in our continuous integration.
• Code quality reports for core (may still be gathering data).
• Development statistics/Extensions.

Historical / Obsolete / Outdated / Non-working

• Top commenters and distribution of unreviewed revisions.
• Commit summaries and reversion ratio.
• Active committers by year.
• Code review (SVN era, pre-2012: still in need of replacement):
  • Code review stats (archive by Nemo);
  • Total number of each status;
  • Codereview stream;
  • Signpost investigation: code review times.

See also

• Contributor Dashboard by Mozilla.
• "How many unique contributors submitted unique pull requests to a https://github.com/wikimedia/ repo" - Python script by marktraceur.
• cmd-query for Gerrit.