Olaf Alders announced a couple of days ago that mySociety became a sponsor of MetaCPAN. mySociety develops and maintains an app used across the world for people to report needed repairs in their streets, such as potholes.

It turns out it is written in Perl using Catalyst!

Github: https://github.com/mysociety/fixmystreet Web: https://fixmystreet.org/