Searching a stable js-Tree PlugIn, jsTree or Ext-Js Tree?

Im evaluating a tree PlugIn for a Admin Interface in Intranets (Speed and Size do not matter). The Internet and a expensive search turned jsTree a开发者_JAVA技巧nd the ExtJs' Libraries Tree up as the most complete ones. The differences seem rather minimal, so my questions are:

Which is more stable? As jsTree is a jQuery Plugin, does ExtJs play with jQuery, too? Can jsTree look as polished as ExtJs?

If someone is interested, we will end up using jsTree as there is no explicit garantee, whether ExtJs is OSS in the foreseeable future.