Tools for Communities Wiki A companion piece to a forthcoming book Stewarding Technologies for Communities of Practice by Etienne Wenger, Nancy White and John D. Smith. It collects knowledge about how Communities of Practice use different tools. Like all Wikis, this is a work in progress. It collects knowledge about how Communities of Practice use different tools. The vision is to provide a community perspective on these tools and their key features.GroupTweet GroupTweet piggy-backs on the Twitter service via the Twitter API. It allows you to set up a private group on Twitter for sending and receiving text messages (tweets) to members of the group. This tool might be a great introduction to Twitter as quick information sharing tool for a small community of practice and people who are new to Twitter.