Phorum is an open-source, web-based message board platform designed for online communities to facilitate discussions. It is known for its flexibility and lightweight performance, making it suitable for high-traffic websites. Phorum offers customizable templates, modular architecture, and scalable features, allowing users to tailor the forum's appearance and functionality to suit their needs. It supports multiple languages and provides integration options with other systems. Phorum is maintained by a community of developers and is available for free download from its official website, https://phorum.org/.