Third-Party Licenses
devpack.app itself is proprietary software — its source code, design, text and logo are © 2026 devpack.app, all rights reserved, and may not be copied or reused without permission.
The site uses the following third-party open-source components, each under its own licence. Thank you to their authors.
| Component | Used for | Licence |
|---|---|---|
| Geist & Geist Mono (Vercel) | Fonts | SIL Open Font License 1.1 |
| js-yaml | JSON ↔ YAML | MIT |
| js-beautify | HTML/CSS/JS formatters | MIT |
| sql-formatter | SQL formatter | MIT |
| jsdiff (diff) | Diff checker | BSD-3-Clause |
| marked | Markdown rendering | MIT |
| DOMPurify | HTML sanitising | Apache-2.0 / MPL-2.0 |
| Turndown + turndown-plugin-gfm | HTML to Markdown | MIT |
| cRonstrue | Cron explanations | MIT |
| JSZip | ZIP downloads | MIT (dual MIT/GPLv3) |
| qrcode-generator (Kazuhiko Arase) | QR codes | MIT |
| color-name-list (David Aerne) | Colour names | MIT |
| EFF Short Wordlist | Passphrases | CC BY 3.0 US — Electronic Frontier Foundation |
| Express, compression, cheerio, undici | Server | MIT |
The colour-vision simulation uses the matrices published by Machado, Oliveira & Fernandes (2009). APCA contrast follows the APCA-W3 reference constants.