The project dashboard can include quickstart tips, checklists, and more.
Often a dashboard will display metrics, analytics for repeated users. But since this is a first-time experience and the the user hasn’t created anything to analyze yet, this space can be used to guide the them through the tool instead.
But after the user has completed onboarding, the opening screen needn’t be blank. You can use empty screen real estate valuably to guide the user through the tool. Glossa’s, conversely, contains very little info.