If you have a coding question, you can use stackoverflow with the tag 'errbot' and 'python'

Transactpro HipChat minion

Extensible HipChat bot for your organization.

HipChat API v2 portable client library for .NET

A simple plugin-enabled HipChat bot

HipKeeper restricted hipchat auto-registration form

Node.js wrapper for the HipChat API (v2)

Boundless' method for integrating Trello and HipChat - contributors wanted!