VerifyStack
VerifyStack is proprietary software. Copyright © 2026 VerifyStack. All rights reserved. Access is granted under the terms of use or a written agreement, and does not transfer ownership of the software. The code is not published under an open-source licence.
Open-source components
We build on the work below. Each remains under its own licence, and nothing on this page changes those terms. Licence names are those published by each project; the full text travels with each package.
| Component | Licence | Used for |
|---|---|---|
| Next.js | MIT | Application framework |
| React | MIT | User interface |
| Tailwind CSS | MIT | Styling |
| Lucide | ISC | Icons |
| Supabase client libraries | MIT | Database and storage access |
| TanStack Query | MIT | Client data fetching |
| React Hook Form | MIT | Forms |
| Zod | MIT | Input validation |
| PDF.js | Apache-2.0 | Rendering evidence pages |
| pdf-lib | MIT | PDF handling |
| @react-pdf/renderer | MIT | Report generation |
| Sonner | MIT | Notifications |
| Inngest SDK | Apache-2.0 | Background jobs |
Typefaces
The typefaces below are used under the SIL Open Font License 1.1, served from our own origin at build time.
- Instrument Sans — Interface text
- Instrument Serif — Display accents
- JetBrains Mono — Identifiers and figures
Reference data and trademarks
Methodology packs and reference factors summarise published scheme documents. Where a value has not been checked against its notified source it is marked unverified in the product. The original publication, not VerifyStack, is authoritative.
Names such as CCTS, ADEETIE, BEE and CBAM belong to their respective owners and appear only to say which schemes the product supports. VerifyStack is not affiliated with or endorsed by them.