Discourse is an open source community forum software designed to create open and vibrant conversations across the web. It is a platform for discussion, debate, and social networking. Discourse features a rich text editor, a powerful search engine, and a powerful API for developers. It is designed to be intuitive and user-friendly while still allowing users to customize the software to meet their needs. Discourse has an active user base of over one million people, making it one of the leading platforms for online discussion. Discourse is used by organizations, communities, and individuals around the world to discuss topics, share ideas, and create meaningful conversations.
Works in more shared hosting environments, and is cleaner/easier to configure.