Mainstream prototyping tools are boring. Yeah, they do their job well; but, we’ve had too much of them. It’s a place where you can work on product specs, wikis, brainstorming, ideation; user flows…
https://uxplanet.org/5-free-wireframing-tools-you-need-to-see-includes-1-for-vr-designers-fa2f5e76a635
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