Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Basically no, there is always some type of license for Qt libs in place. Either you use LPGL for no cost or a commercial license. However, this is the same as with any other SW around. Please check out the different options for licenses.
