# Third-Party Licenses

ARGUS Secure uses the following third-party software:

## Core Components

### TimescaleDB
- **License**: Timescale License (TSL)
- **Website**: https://github.com/timescale/timescaledb
- **License URL**: https://github.com/timescale/timescaledb/blob/main/tsl/LICENSE-TIMESCALE
- **Note**: TimescaleDB Community Edition is used for time-series data storage and compression.
  The Timescale License carries redistribution conditions beyond plain open source — reviewed
  before bundling with a commercial, proprietary product; see legal review note below.

### Nginx
- **License**: BSD-2-Clause
- **Website**: https://nginx.org/
- **Copyright**: (C) 2002-2024 Igor Sysoev, (C) 2011-2024 Nginx, Inc.

### ModSecurity
- **License**: Apache License 2.0
- **Website**: https://github.com/owasp-modsecurity/ModSecurity
- **Copyright**: (C) 2002-2024 Trustwave Holdings, Inc.

### OWASP Core Rule Set (CRS)
- **License**: Apache License 2.0
- **Website**: https://coreruleset.org/
- **Copyright**: (C) 2006-2024 Trustwave Holdings, Inc., OWASP Core Rule Set contributors

### MaxMind GeoIP2 / GeoLite2
- **License**: GeoLite2 End User License Agreement
- **Website**: https://www.maxmind.com/
- **Attribution**: This product includes GeoLite2 data created by MaxMind, available from
  https://www.maxmind.com. Redistribution terms are stricter than plain open source — reviewed
  before bundling; see legal review note below.

### Valkey
- **License**: BSD-3-Clause
- **Website**: https://valkey.io/

## Backend (Go) Dependencies

| Package | License | Website |
|---------|---------|---------|
| github.com/labstack/echo/v4 | MIT | https://echo.labstack.com/ |
| github.com/go-acme/lego/v4 | MIT | https://go-acme.github.io/lego/ |
| github.com/lib/pq | MIT | https://github.com/lib/pq |
| github.com/google/uuid | BSD-3-Clause | https://github.com/google/uuid |
| github.com/redis/go-redis/v9 | BSD-2-Clause | https://github.com/redis/go-redis |
| github.com/oschwald/geoip2-golang | ISC | https://github.com/oschwald/geoip2-golang |
| github.com/cloudflare/cloudflare-go | BSD-3-Clause | https://github.com/cloudflare/cloudflare-go |
| golang.org/x/crypto | BSD-3-Clause | https://golang.org/x/crypto |

## Frontend (React) Dependencies

| Package | License | Website |
|---------|---------|---------|
| React | MIT | https://react.dev/ |
| @tanstack/react-query | MIT | https://tanstack.com/query |
| react-router-dom | MIT | https://reactrouter.com/ |
| recharts | MIT | https://recharts.org/ |
| i18next | MIT | https://www.i18next.com/ |
| Tailwind CSS | MIT | https://tailwindcss.com/ |
| Vite | MIT | https://vitejs.dev/ |

## Nginx Modules

| Module | License | Website |
|--------|---------|---------|
| ModSecurity-nginx | Apache 2.0 | https://github.com/owasp-modsecurity/ModSecurity-nginx |
| ngx_brotli | BSD-2-Clause | https://github.com/google/ngx_brotli |
| headers-more-nginx-module | BSD-2-Clause | https://github.com/openresty/headers-more-nginx-module |
| ngx_http_geoip2_module | BSD-2-Clause | https://github.com/leev/ngx_http_geoip2_module |

---

## Apache License 2.0 Notice

The following components are licensed under the Apache License 2.0:

- ModSecurity (Copyright 2002-2024 Trustwave Holdings, Inc.)
- OWASP Core Rule Set (Copyright 2006-2024 Trustwave Holdings, Inc.)
- ModSecurity-nginx (Copyright 2015-2024 Trustwave Holdings, Inc.)

Licensed under the Apache License, Version 2.0 (the "License");
you may not use these files except in compliance with the License.
You may obtain a copy of the License at:

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

---

## GeoLite2 End User License Agreement

This product includes GeoLite2 data created by MaxMind, available from
https://www.maxmind.com. GeoLite2 databases are offered under the
GeoLite2 End User License Agreement. For the full license text, see:
https://www.maxmind.com/en/geolite2/eula

---

## Pending legal review before commercial distribution

TimescaleDB (Community Edition, TSL) and MaxMind GeoLite2 (EULA) both carry redistribution
conditions beyond plain MIT/BSD/Apache terms. Confirm these terms are compatible with the
proprietary commercial license in `LICENSE` before shipping a release build.