That's kind of what I've found myself doing with multiple Chrome users. Each project I'm working on is a different user, with a different set of open tabs, and

That's kind of what I've found myself doing with multiple Chrome users. Each project I'm working on is a different user, with a different set of open tabs, and separated cookies, allowing multiple sessions (e.g., Gmail accounts) to be open at the same time, one in each "project".