dynatree - a dynamic tree view plugin for jQuery

Dynatree is a JavaScript dynamic tree view plugin for jQuery with support for persistence, keyboard, checkboxes, drag'n'drop, and lazy loading.

Dynatree - Features:

• Optimized for large dynamic trees (DOM elements are only created when really needed).
• Programmable through a rich object oriented interface.
• Support for lazy loading and Ajax.
• Checkboxes and hierarchical selection.
• Supports drag and drop.
• Support for persistence.
• Keyboard aware.
• Initializes from HTML code, JSON, or JavaScript objects.