Open-source notices
This library is built on the following open-source software. Copyright notices and full licence texts ship with each package.
| Project | Licence |
|---|---|
| Next.js | MIT |
| React | MIT |
| NestJS | MIT |
| Drizzle ORM | Apache-2.0 |
| PostgreSQL | PostgreSQL Licence |
| Meilisearch | MIT |
| Valkey (Redis-compatible cache/queue store) | BSD-3-Clause |
| BullMQ | MIT |
| PDF.js (pdfjs-dist) | Apache-2.0 |
| Epub.js | BSD-2-Clause |
| JSZip | MIT or GPL-3.0 (used under MIT) |
| Sharp / libvips | Apache-2.0 / LGPL-3.0 (dynamically linked) |
| Tailwind CSS | MIT |
| Lucide icons | ISC |
| Inter (font) | SIL OFL 1.1 |
| Fraunces (font) | SIL OFL 1.1 |
| fast-xml-parser | MIT |
| marked | MIT |
| argon2 (node-argon2) | MIT |
| Poppler utilities (pdftoppm, separate program) | GPL-2.0 |
| ClamAV (separate service) | GPL-2.0 |
Book metadata comes from Open Library, Google Books, the Library of Congress, Wikidata (CC0) and the Project Gutenberg catalogue; each book page links to its sources.