This document summarizes the communication tools available in an online learning management system (LMS) called Edu2.0. It describes groups, forums, wikis, chats and blogs that allow users to communicate. It also mentions customizable portals, ways to share audio and video, profiles and bios, messaging features, assessment tools, and that some advanced features require payment. The document recommends taking a tour or demo to learn more about building an online community with this LMS's resources and features.