IDG Contributor Network: What are your favorite project management tools?

When I first started managing projects early in my career, the tool I was using was ABT’s Project Workbench. It had a graphical user interface (GUI), so to speak, but it wasn’t the Windows version…that was still a ways off. In fact, by the time there was a Windows version, I had moved on to Microsoft Project. I did, however, end up teaching the Windows version of Project Workbench in the early 1990’s to a room full of CAD designers even though I had never even used it my