Commento with out of the box patches and updates to add useful features and fixes. Also with one-click deploy to Heroku so you can get up and running fast.
A code of conduct defines standards for how to engage in a community. It signals an inclusive environment that respects all contributions. It also outlines procedures for addressing problems between members of your project's community. For more information on why a code of conduct defines standards and expectations for how to engage in a community, see the Open Source Guide.
Many projects which aims to be ran as a community, adds a code of conduct. Perhaps that is worth adding to this project as well?
Quoting the GitHub docs: