At least as of mid-2012, HubSpot was using Trello exclusively for project tracki...

chrisweekly on July 24, 2014 | parent | context | favorite | on: Trello Spins Out of Fog Creek With $10.3M

At least as of mid-2012, HubSpot was using Trello exclusively for project tracking. Even then, Trello did more than enough to meet their needs. If you think you need a more complicated tool, you might want to rethink your process and workflow. /$.02