JSplitter (component name: foo_uie_jsplitter) is a JavaScript-based user interface component for foobar2000 that allows users to create highly customized panels, layouts, browsers, playlists, artwork displays, VU meters, and other interface elements using JavaScript. It originated as a successor to older scripting components such as Panel Stack Splitter and has become popular among theme developers.

What JSplitter provides:

• JavaScript scripting for custom UI panels
• Dynamic layouts and splitters
• Custom playlist viewers
• Album art browsers
• Biography and review panels
• VU meters and visualizations
• Integration with foobar2000 playlists, library, playback state, and metadata
• Support for importing complex themes and panel collections developed by other users

github.com/dima-lur/jsplitter
hydrogenaudio.org/index.php/topic,126743.0