The Project ribbon is there all the time as long as the Dashboard is open. (For the project manager's version, see this Help page.) In fact, the Project ribbon is the first tab that opens with memoQ.

ribbon-project-local-left

ribbon-project-local-right

Looking at local projects (left side, right side)

ribbon-project-online-left

ribbon-project-online-right

Looking at online projects (left side, right side)

Manage Project section

Create project section

Finish/Delete section

Archive/Backup section

memoQ server section