Just what I've been looking for (and some of you here are on the look out for something like this as well, which is why i post this). It's the firefox / thunderbird equiv for a simple stand aloen calendar, no more, no less.
Runs on: win/nix/osx
Today is a great day! Better show your support if you like it. I'd like this project to get as much plublicity as the other two.