# Third-Party Licenses {#third-party-licenses}


Key third-party dependencies and their licenses.


## Core Dependencies {#core-dependencies}


| Package        | License            | Category             |
| -------------- | ------------------ | -------------------- |
| **Angular**    | MIT                | Frontend framework   |
| **NestJS**     | MIT                | Backend framework    |
| **TypeORM**    | MIT                | ORM                  |
| **MikroORM**   | MIT                | ORM                  |
| **Knex**       | MIT                | Query builder        |
| **Electron**   | MIT                | Desktop shell        |
| **NX**         | MIT                | Monorepo tooling     |
| **RxJS**       | Apache-2.0         | Reactive programming |
| **PostgreSQL** | PostgreSQL License | Database             |
| **SQLite**     | Public Domain      | Database             |
| **Redis**      | BSD-3-Clause       | Cache                |
| **Nebular**    | MIT                | UI components        |


## UI Libraries {#ui-libraries}


| Package              | License                  |
| -------------------- | ------------------------ |
| **Bootstrap**        | MIT                      |
| **Angular Material** | MIT                      |
| **CKEditor 5**       | GPL-2.0+ (or commercial) |
| **FullCalendar**     | MIT                      |
| **Chart.js**         | MIT                      |


## Utilities {#utilities}


| Package                  | License |
| ------------------------ | ------- |
| **Lodash**               | MIT     |
| **Moment.js / date-fns** | MIT     |
| **class-validator**      | MIT     |
| **class-transformer**    | MIT     |
| **Passport**             | MIT     |


## License Compliance {#license-compliance}


- Most dependencies are MIT licensed (permissive)
- CKEditor may require a commercial license for some use cases
- Always verify latest license terms when upgrading


## Related Pages {#related-pages}


- [Licensing](https://sourcey-gauzy.pages.dev/licensing/licensing/index.md) — Ever Gauzy license options