Posted in SKINS
This is a few knobs (created by Nick Moritz for g200kg KnobMan software) which you can download and use (also change/adapt) for any type of your VST development project for free.
It is not require any payments or credits - just use it!
But you can share with other people something that you do not mind. And remember, anything helps! :)
VSTGUI - AnimationKnob Design tool. This is very special function for VST development