Yahoo Groups is a site where you can create a group space. Here can can access a shared message archive, group event, calendars, members polls and shared links.
Not in the Top 100 in 2013
Comments from some of those who selected Yahoo Groups as one of their TopTools
“My favourite way to communicate with the groups and communities I belong to.” Cristina Mendes Da Costa
“I don’t understand why more courses aren’t hosted on sites like this. Online groups offer free, robust do-it-yourself websites that provide e-mail-based message boards, file and photo storage, polling (aka quizzing), and simple database features.” Jane Bozarth
“My favourite language teaching mail groups are there and it is a very good service” Jose Luis Cabello
“what I use when I need to quickly set up an online community” Lisa Neal