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Open Source Licenses
Aeronautica is built with the help of open source software. This page acknowledges the projects we use and their respective licenses.
Last updated: February 2026. View full package list.
License Summary
Across all products, Aeronautica uses approximately 730 open source packages. The vast majority are licensed under permissive open source licenses:
- MIT The most common license — permits use, modification, and distribution
- Apache-2.0 AWS SDKs and related ecosystem — includes patent grants
- ISC npm core packages — functionally equivalent to MIT
- BSD BSD-2-Clause and BSD-3-Clause variants — permissive with attribution
ASPEC Loadsgen Web Application
The ASPEC Loadsgen platform uses the following key open source projects (38 direct dependencies):
| Project | License | Use |
|---|---|---|
| React 17 | MIT | User interface framework |
| Material-UI v4 / MUI v6 | MIT | UI component library |
| AWS Amplify | Apache-2.0 | Authentication and cloud integration |
| Redux | MIT | State management |
| React Query | MIT | Server state management and caching |
| Chart.js / react-chartjs-2 | MIT | Data visualization and charting |
| Axios | MIT | HTTP client |
| React Router | MIT | Client-side routing |
| react-beautiful-dnd | Apache-2.0 | Drag and drop interactions |
| react-data-table-component | Apache-2.0 | Data table rendering |
| react-dropzone | MIT | File upload drag-and-drop |
| Lodash | MIT | Utility functions |
| Moment.js | MIT | Date and time handling |
| styled-components | MIT | CSS-in-JS styling |
Backend Infrastructure
The server-side infrastructure uses the following key open source projects (12 direct dependencies):
| Project | License | Use |
|---|---|---|
| AWS SDK v2 / v3 | Apache-2.0 | Cloud service integration |
| Stripe | MIT | Payment processing |
| DynamoDB Toolbox | MIT | Database ORM |
| ExcelJS | MIT | Excel file generation |
| JSZip | MIT* | ZIP file creation |
| EJS | Apache-2.0 | Email HTML templating |
| Nodemailer | MIT-0 | Email transport |
| Axios | MIT | HTTP client |
* JSZip is dual licensed under (MIT OR GPL-3.0-or-later). Aeronautica uses it under the MIT license.
Corporate Website
The aeronauticausa.com corporate website uses the following key open source projects (15 direct dependencies, ~676 transitive):
| Project | License | Use |
|---|---|---|
| Astro | MIT | Website framework |
| React 19 | MIT | Interactive components |
| Tailwind CSS | MIT | Styling framework |
| Keystatic | MIT | Content management (news posts) |
| Astro Markdoc | MIT | Content rendering |
| Astro Sitemap | MIT | Sitemap generation |
| Sharp | Apache-2.0 | Image optimization |
Analysis Engines
The structural analysis engines — ASPEC Loadsgen, FuseLoads, WingSpan, and Frame — are proprietary Fortran-based tools developed by Aeronautica LLC. They use one open source dependency:
| Project | License | Use |
|---|---|---|
| json-fortran | BSD-3-Clause | JSON parsing for Fortran |
Questions
For questions about our use of open source software, contact us. A complete list of all packages and their licenses is available in the Third-Party Notices page.