On first glance it looks like it would do what you are looking for. Full version comes with more features and extended support, but it seems like the Free edition is pretty usable. I would just try it out on a non productive machine.
(gem) Taber du konstant på timeouts? Betalende medlemmer kan aktivere "automatisk ferie" til automatisk at påbegynde feriedage når de ellers ville få timeout. (pauloaguia) (vis alle tips)