Ask HN: How do you effectively manage your workflow with your team/startup?

Campfire, Trello, Podio, Github, Basecamp, Pivotal Tracker and the list could continue long.

There are so many services to manage a project, team, and probably even the shifts to go to the bathroom.

How's your workflow? Which services do you actually use among the whole company? not only in a group of them (developers, sales, etc)