quant-ux.com
Prototype, then test it with users
Free, open-source tool that combines clickable prototypes with usability testing and analytics, so a design is measured before it is built.
Free alternative to Figma
| Resource | Pricing | Type | Licence | Platforms | Popularity | Last commit | Link |
|---|---|---|---|---|---|---|---|
| Quant-UX | Open source | Tool | GPL-3.0 | web | ★ 2.7k | 3 Oct 2026 | ✓ |
| Penpot | Open source | Tool | MPL-2.0 | web · self-hosted | ★ 61k | 3 Oct 2026 | ✓ |
| Aegis | Open source | Tool | GPL-3.0 | android | ★ 13k | 6 Sept 2026 | ✓ |
| OpenUI | Free | Tool | Apache-2.0 | web | ★ 22k | 25 Sept 2026 | ✓ |
| Iradesign | Open source | Service | — | web | ★ 572 | — | ✓ |
| Bootstrap Icons | Open source | Tool | MIT | web | ★ 8.1k | 1 Oct 2026 | ✓ |
| Feather | Open source | Tool | MIT | web | ★ 26k | 11 Mar 2025 | ✓ |
Open-source design and prototyping
A free, secure and open source app for Android to manage your 2-step verification tokens.
Describe a UI, watch it render
Free and open-source illustrations for your projects
SVG icons custom designed and built for Bootstrap components.
Simply beautiful open source icons.
