This component library has a good variety of controls to utilize. They are extremely easy to use. The troubling issue though is many of them are buggy or have gui limitations such as forcing them to lay out on their own line with no other controls (can't place some of them beside a label for instance).
I recommend downloading a trial version and see how the controls work for your project.
With some gui rework and bugs fixed this control set could get bumped up to a rating of 5.
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