www.signupgenius.com seems to offer a pretty convenient service for those of you that need to create or manage group sign-up lists. You do have to create a free account, and then click to "Create a Sign Up". You choose the type that you want from Party or Potluck, Volunteer or People, or a Food or Munchies sign up. You can pick a theme to apply to the sign-up page, enter the dates, and the items that you would like people to sign-up to bring or do. The last step is just to invite participants via email. Easy numbered tabs walk you through all of the steps. Those that you invite will receive an email that links to the site where they can enter there sign-up selections, and you get an easy record of all of it!Visit the How It Works page of the site if you want to learn more.