The hardest part about any family organizational system is getting your family to actually use it -- and Cozi is no exception.

The email and text message reminders will help, as will the fact that Cozi is accessible from most mobile devices. The company offers dedicated apps for iOS, Android and BlackBerry mobile devices, and other Web-enabled phones and tablets can access a mobile version of the site from their browsers.

If you're struggling to keep tabs on your family's appointments, events, and tasks, check out Cozi. This online tool will make it easier than ever to stay organized.