Each jQuery plugin author uses their own license. While most will use MIT or GPL to be consistent with jQuery, unless explicitly mentioned, you'll need to check-in with each author.
Rey... doddstr13 wrote:
Are all jquery plugins available under GPL and MIT licenses? My company requries me to provide a URL which describes the licensing of any open source code we use. I have links to JQuery's licensing, but I want to use ClueTip plugin and can't find any specific licensing informaitno.