Just thought I’d share a couple of forthcoming libraries that I’ve built. Both will be available (for free) in the next few weeks.
Generator creates placeholder content and imagery in your prototypes. Anyone familiar with Craft (for Sketch) or Adobe XD will recognize some of its functionality. Widgets for things like userpics, email addresses, news headlines and photos (definable by keywords) can be dragged directly onto the page and deliver unique results when previewed in the browser.