Quant-UX

Open-source prototyping and usability testing platform

Open Source

Free and open-source, cloud instance available

open-source prototyping usability-testing ux

About Quant-UX

Quant-UX is a free, open-source prototyping tool with built-in usability testing. Create interactive prototypes, run remote user tests, and analyze results with heatmaps and task analytics. Self-host or use the free cloud instance. A unique approach that combines design and research.

Highlights

  • Built-in usability testing with heatmaps
  • Interactive prototyping with logic and data
  • Free cloud instance — no setup required
  • Remote user testing with task analytics

Limitations

  • Not a full design tool like Figma
  • Smaller community and fewer resources
  • Limited component library compared to Figma

Detailed Comparisons

Free

Free and open-source, cloud instance available

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Last updated: 2026-03-01