jsTree is absolutely free (licensed same as jQuery – under the terms of either the MIT License or the GNU General Public License (GPL) Version 2).
Still, if you would like to help this project - click the support link on the left.
- Various data sources - HTML, JSON, XML
- Supports AJAX loading
- Drag & drop support
- Highly configurable
- Theme support + included themes
- Uses jQuery's event system
- Optional keyboard naviga