Design tools · Free
Quant-UX
Open-source prototyping and usability-testing tool with heatmaps and A/B tests.
Quant-UX is an open-source tool for building interactive prototypes and running usability tests. Create screens in a visual editor, share a link, collect screen recordings, heatmaps, task success rates, and A/B results without writing code.
On the site
- Visual prototype editor with widgets, animations, and logic
- Usability testing via shareable links and QR codes
- Heatmaps, drop-off analysis, and automatic KPIs
- A/B testing and surveys built into prototypes
- Free and open source