Butterchurn Visualizer is a WebGL implementation of the Milkdrop Visualizer, bringing the best music visualizations to the web
Video-Desk Alternatives
Video-Desk is described as 'DreamScene alternative with radio & MP3 visualization support' and is an app in the os & utilities category. There are 1 alternatives to Video-Desk for Web-based and Self-Hosted. The best Video-Desk alternative is Butter Churn viz, which is free.