The currently active project is shown in the top-right of the page:
Changing to Another Project
To change to a different project, click the button displaying the active project.
A list of available projects will appear.
Click the name of the project to which you want to set the active project.
Important Warning When Switching Projects
The active project is stored in a browser cookie and affects your current entire browser session. Opening multiple browser tabs and switching projects will affect all open browser tabs.