You may (but probably won't) be interested in:
a tiny Ajax demo I pull out from time to time to explain the concepts involved.
A couple of attempts to build a CMS to replace the hidiously ugly sBuilder that I wrote when I first learned about DBIx::Class: axford is a reasonably straight port of sBuilder to Catalyst, while sprue try to solve the problem from scratch using CouchDB. Neither are production ready.
Wargamers Pledge is a system for tracking miniatures.
Most of these are fairly early in development; I spend most of my programming energies on work I get paid for which leaves little for these projects.