I am using per to keep track of the work we do that day. I laid out a schedule, but won't keep to it too strictly. I fill it in at the end of each day.
I am a fly by the seat of my pants and if we want to do three hours of science one day, I'll just spread it over the three
days assignments for record keeping. It's really to keep myself accountable and to make sure I am on task. As far as lesson planing
I just do it on paper. There are lots of websites that offer free lesson plans if you need them. I can't really think of anywhere off hand that
would let you just plan online. If I find anything I'll pass it on to you, or if I find a feature on PER that you can use that for, I'll pass that on too.