It&#x27;s a bit of a struggle to find useful info on the site.
According to the site WILL (Wacom Ink Layer Language) is a new standard for digital ink (they mention &#x27;open&#x27; without defining it) which is better than InkML or other competing formats. This link [1] has some decent info.<p>[1]: <a href="http:&#x2F;&#x2F;will.wacom.com&#x2F;get-started.html#c109" rel="nofollow">http:&#x2F;&#x2F;will.wacom.com&#x2F;get-started.html#c109</a>