BigBlueButton Plus is a free Firefox add-on designed to enrich the functionality of BigBlueButton meetings. This tool introduces several features that enhance user experience, including a master volume control and individual user volume settings similar to those found in Discord. The add-on supports both English and German languages, adapting to the user's browser language for ease of access.

One of the key features is the per-user volume slider, allowing participants to adjust their audio levels independently, which can significantly improve communication during meetings. Users are encouraged to activate automatic updates in the add-on settings to ensure they have the latest features and fixes. Overall, BigBlueButton Plus provides valuable enhancements for anyone using BigBlueButton for virtual meetings.