JustWatch is a similar tool to Trakt (which uses JustWatch’s API for portions of its functionality) but has a much friendlier user experience. I understand that It may not be a high priority given that Trakt has just been added but it would be great to see it supported given how big a player it is in the media tracking world.

I don’t believe their API makes it possible to get a history of what you’ve watched, so this isn’t possible.