$one Unistroke Recognizer, used for recognizing gestures in the ability nib terminal, is out there under the New BSD License. I’ve designed some slight modifications, which allow gestures to get far more easily regarded that can be found on github. Some pens used for pen and ink drawing techniques https://troytxwut.shotblogs.com/the-single-best-strategy-to-use-for-ink-drawing-for-beginners-50556192