I trained my parents to use KeePassX 2.0 and they do OK with it. They're very tech non-savy but do fine with it because they only have to remember one password.

I trained my parents to use KeePassX 2.0 and they do OK with it. They're very tech non-savy but do fine with it because they only have to remember one password. I also made sure they use Timemachine for OSX so they don't lose their database. Prior to this they had a physical notebook and sticky notes with passwords written on them.