The document summarizes the Emerge project, which aims to create a sustainable community of practice using emergent technologies like social software and pervasive computing. It will act as a hub to support participants by allowing them to create personalized web 2.0 environments and circulate distributed content across multiple sites. The document also reviews several open source social networking, social news, social bookmarking, video hosting, microblogging, and virtual world tools and platforms, and discusses current issues around data portability, privacy, and user support that are important to consider.