https://commons.wikimedia.org/w/index.php?title=Module:TableTools&diff=154710051
Something similar to Special:WantedTemplates would be nice. Such a special page would be helpful in finding modules that need to be copied from one wiki to another.
Topic on Extension talk:Scribunto/Flow
I've submitted gerrit:218116, which IMO is a much cleaner way of accomplishing the same goal.