Essay Tagger is not an auto grader where you can provide input and the machine handles it , it is a service that is based on manuel work but in faster ways. Both Windows and Mac support it and is very simple to use.Users will not have to dowload any software for Essay Tagger works entirely in the web browser. This service is still in open beta period and free . If you are interested head over to its main page and open your account for the free period will not last for a long time.
Watch this video to learn more about EssayTagger