Quant-UX — #4 Alternative to Figma
Open-source UI prototyping with built-in heatmaps and user testing analytics
Lets product teams wireframe, prototype logic flows, and run quantitative usability tests with click heatmaps and task-completion funnels on self-hosted servers.
License: EPL-2.0 · Pricing: Free & Open Source · Compare all Figma alternatives · Official Website