Rated 4 out of 5 stars

Works quite well and I like the ability to customise the extra to-do lists you want to use.
I mainly use that to maintain lists of videos I want to see or games I want to get which I can match to their release dates and such.

Only problem is that it keeps crashing on me at certain times which freezes firefox completely and I have to restart it.

This review is for a previous version of the add-on (