From the Proving Ground website:
Conductor is a Windows-based desktop application that brings agile task management and coordination into your modeling environment. The current version of Conductor allows users to connect Revit and Rhino to Trello’s Kanban-style project management platform. Using Conductor, building teams are able to interact with Trello boards and manage tasks from start to finish from within the model.
Connect to Trello from inside your Revit or Rhino model…