Impact
How Open Chiari is used, how well it works, and how anyone can take it over. Counted without cookies or personal data.
Use since launch
Launched November 4, 2026 · updated daily
- Visits
- 15
- 3D models explored
- 10
- Explain It links made
- 0
- Study listings opened
- 0
- Sites embedding the model
- 0
Totals only. Open Chiari never records who you are, what your Explain It note says, or which questions you print.
Quality report
Tested automatically on every update · last run November 5, 2026
| Check | Phone | Desktop | What it means |
|---|---|---|---|
| Accessibility | 100 / 100 | 100 / 100 | Usable with screen readers, keyboards and low vision |
| Speed | 100 / 100 | 100 / 100 | How fast pages load on a typical connection |
| Accessibility standard | WCAG 2.2 AA · passed automated checks | The current W3C standard; also covers WCAG 2.1 AA, the level in U.S. ADA rules | |
| Accuracy checks | November 5, 2026 · passed | Text and 3D views checked against published sources; not reviewed by a medical professional | |
Open source: nothing gets stranded
Every line of code and every model file is public: code under the MIT License, the 3D model under CC BY-SA 4.0. Any organization can run its own copy, change it, or take it over, with no fees and no dependence on one person or company.
- Code
- github.com/ARCFrontierSystems/OpenChiari · MIT License
- 3D model
- CC BY-SA 4.0
- Hosting
- Free static hosting; step-by-step guide included
- Personal data
- None stored, so there's nothing to migrate

