A couple of new tools I've put together that people might find some use for:
- Admin activity statistics: shows some statistics on how many admins have used their tools at all over various timeframes, and on how many actions are taken by each active admin over various timeframes. Works on any Wikimedia project.
- Per-page contributions: like [[Special:Contributions]], but shows contributions just to a particular page. Works on any Wikimedia project. I've already found it quite useful in several arbitration cases, especially for users who have made a large number of edits, or for pages which have been edited many times.
The image below is one of the graphs produced by the admin activity tool, it shows how many admins have performed at least one administrative action over various timeframes on the English Wikipedia: