A look at using the digraphmodule from the Erlang standard library to implement pathfinding on a map.
Moving our ad-hoc tuple-based data layer to one powered by maps/structs.
Using HashNuke's Elixir buildpack for Heroku to deploy BEAM Toolbox. Also, a brief intro to ExConf.
A client for the Ubigraph visualization server, and an easy way to view a BEAM application's supervision tree in 3D.
Erlang term storage - a queryable database for your processes to store terms in.