Few weeks ago, as a fun project, I built a set of web components that had a Balsamiq like hand-drawn sketchy look. Basic components like buttons, textboxes, sliders, etc.
wired-elements: <a href="https://www.webcomponents.org/collection/wiredjs/wired-elements" rel="nofollow">https://www.webcomponents.org/collection/wiredjs/wired-eleme...</a><p>(Fun fact about these: Just like any hand drawn shape, no two renderings of the component will be exactly the same)<p>Last week I came across <a href="https://github.com/PolymerLabs/wizzywid" rel="nofollow">https://github.com/PolymerLabs/wizzywid</a> a basic wyziwig editor for Polymer components.<p>For last weekend's fun project, I adapted the code to use wired-elements to create a simple Balsamiq like visual wire-frame editor.