"I was really excited to hear about ExtJS the other day. It was
applications. Great! I went to the company's website and learned
that it's actually dual-licensed. Even better! Maximum licensing
"But then I went to the company's licensing page and things got
murky really fast. It turns out that the ExtJS won't allow you to
use Ext under its LGPL (3.0) license '[i]f you plan to distribute
Ext in a product that will be packaged or sold as a software
development library, toolkit or plug-in-based framework...'"