Check out this great website that contains a collaborative space for calendars, polls, meetings or ToDo lists. YOu can invite a group of people such as a church group, parent/ teacher organization, colleagues or classroom parents. Click here to watch the step by step video on how to use Wiggio. This is a very robust tool which is easy to use and offers a group many tools to use. The ability to upload files and share materials in an easy format is worth the look.