My comparison is based on my previous experience with discontinued "Session Manager". First, thank you for filling in the gap... I was spoiled by Session Manager. "Tab Session Manager" works as represented. It allows me to recover exactly my last session... Which is better than nothing... But if you forget to close a pop up, last session it recalls is that pop up alone. Session Manager allowed you to go back 5-10 back ups. It also allowed you to customize Sessions... For example, Personal vs Business vs Personal Finances vs Personal entertainment. Hopefully these feature will be added in future releases. To that end, I am making a contribution.