List Fu lets you implement your own list management system electronically. You get what is on your mind into your system quickly and easily.
List Fu lets you customise the list manager by letting you tag items as lists and tag lists as groups.
You can back up and restore your data via email, which gives you an instant off site backup and peace of mind.
Download the free List Fu Lite here and try it. The app contains help if you need it. Data you create can be backed up and used to restore into the full version.
Download List Fu full version here.