Credits & Licenses

Built on the shoulders
of giants.

Nexum is built using world-class open source software, commercial APIs, and hardware from organizations we deeply respect. This page gives full credit and discloses all third-party components, their licenses, and how we use them.

LUDDAN SERVICES LLC is committed to open source stewardship. Nexum would not exist without the extraordinary work of hundreds of engineers across dozens of organizations who published their code under permissive licenses. We acknowledge, respect, and comply with every license listed on this page.

Where third-party trademarks appear (Ring®, Amazon®, Google®, Anthropic®, Tuya®, Narwal®, Vizio®, Honeywell®, Telegram®, DigitalOcean®, Cloudflare®, Raspberry Pi®, Hailo®), they are the property of their respective owners. Their appearance here is for identification purposes only and does not imply endorsement of Nexum or LUDDAN SERVICES LLC.

Backend — Python Stack

Primarily MIT
Package Description Role in Nexum License
FastAPIv0.115.0 — Sebastián Ramírez Modern, high-performance Python web framework with automatic OpenAPI docs and async support. All API endpoints MIT
🦄 Uvicornv0.30.0 — Encode OSS Lightning-fast ASGI server for Python, built on uvloop and httptools. App server BSD 3-Clause
🗄️ SQLAlchemyv2.0.48 — Michael Bayer The Python SQL toolkit and ORM. Industry standard for database abstraction. Database ORM MIT
Pydanticv2.12.5 — Samuel Colvin Data validation using Python type hints. Powers FastAPI's request/response models. Data validation MIT
🐘 psycopg2-binaryv2.9.9 — Daniele Varrazzo The most popular PostgreSQL adapter for Python. PostgreSQL driver LGPL v3
🔐 Passlibv1.7.4 Comprehensive password hashing library supporting bcrypt, argon2, pbkdf2, and more. Password hashing BSD
🔑 python-josev3.5.0 JavaScript Object Signing and Encryption (JOSE) implementation for Python. Used for JWT tokens. JWT / auth tokens MIT
🔒 bcryptv4.0.1 — Python Cryptographic Authority Modern password hashing for your software and your servers. Password hashing Apache 2.0
🛡️ cryptographyv46.0.6 — Python Cryptographic Authority Cryptographic recipes and primitives for Python developers. Encryption primitives Apache 2.0 / BSD
📱 PyOTPv2.9.0 Python library for generating and verifying one-time passwords (TOTP/HOTP). RFC 6238 compliant. Two-factor auth (2FA) MIT
📷 qrcodev8.2 Pure Python QR Code generator for 2FA setup flows. QR code generation MIT
🖼️ Pillowv12.2.0 — Alex Clark et al. The friendly PIL fork. Python Imaging Library for image processing. QR / image processing HPND (MIT-like)
📄 ReportLabv4.4.10 — ReportLab Inc. The industry-strength PDF generation library for Python. Powers Nexum's PDF reports. PDF generation BSD
🌐 Requestsv2.32.3 — Kenneth Reitz HTTP for Humans. The most downloaded Python package of all time. HTTP client Apache 2.0
aiohttpv3.13.3 Asynchronous HTTP client/server framework for asyncio. Async HTTP / device polling Apache 2.0
🐍 Python3.11+ — Python Software Foundation The programming language that powers the entire Nexum backend. Runtime language PSF License
🐘 PostgreSQL15+ — PostgreSQL Global Dev Group The world's most advanced open source relational database. Primary database PostgreSQL License

Frontend — React Stack

MIT
Package Description Role in Nexum License
⚛️ Reactv19.2.0 — Meta Platforms, Inc. The library for web and native user interfaces. Powers the entire Nexum dashboard. UI framework MIT
Vitev7.3.1 — Evan You et al. Next-generation frontend tooling. Instant HMR, lightning-fast builds. Build tool / dev server MIT
🔀 React Routerv7.13.1 — Remix Software Declarative routing for React applications. Client-side routing MIT
🔄 TanStack Queryv5.90.21 — Tanner Linsley Powerful asynchronous state management for server state in React. Server state / data fetching MIT
📡 Axiosv1.13.6 — Matt Zabriskie et al. Promise-based HTTP client for the browser and Node.js. API communication MIT
✏️ Lucide Reactv0.576.0 — Lucide Contributors Beautiful and consistent open-source icon toolkit. 1,000+ SVG icons. UI icons ISC

Web Server & Networking

Open Source
Component Description Role License
🌐 nginxNginx, Inc. / F5 High-performance HTTP server, reverse proxy, and load balancer. Serves all Nexum web traffic. Reverse proxy / TLS BSD 2-Clause
🔒 Let's Encrypt / CertbotISRG / EFF Free, automated, and open certificate authority. All Nexum HTTPS is powered by Let's Encrypt. SSL/TLS certificates MPL 2.0
🛡️ fail2banCyril Jaquier et al. Intrusion prevention framework that protects against brute-force attacks. Intrusion prevention GPL v2
🔥 UFW / iptablesUbuntu / Linux kernel Uncomplicated Firewall and netfilter/iptables — kernel-level packet filtering. Network firewall GPL

Hardware Partners

Proprietary
🖥️

reComputer AI R2135

Seeed Studio

ARM Cortex-A76 (CM5), 8GB LPDDR4X RAM, Hailo-8 AI accelerator. Primary Nexum server running the FastAPI backend, PostgreSQL, nginx, and AI inference engine.

🧠

Hailo-8 AI Accelerator

Hailo Technologies

26 TOPS neural network inference accelerator. Enables on-device AI processing without cloud dependency. Integrated into the reComputer AI platform.

🍓

Raspberry Pi CM5 / Pi 3

Raspberry Pi Foundation

CM5 powers the reComputer AI server. Raspberry Pi 3 serves as the IoT gateway — handling device communication for Tuya, Ring, and sensors across the home network.

💻

OptiPlex 3060

Dell Technologies

Intel Core i5-8500T, 8GB RAM, Ubuntu 24.04. Secondary compute node. Provides additional processing headroom and serves as a network-accessible browser endpoint.

☁️

Droplet VPS

DigitalOcean, Inc.

Cloud VM hosting the public-facing nginx reverse proxy, luddansvcs.com, demo.luddansvcs.com, and the reverse SSH tunnel endpoint for remote access to the home network.

🌐

DNS & Domain Management

Cloudflare, Inc. / GoDaddy, Inc.

luddansvcs.com DNS managed via Cloudflare. Domain registration via GoDaddy. Cloudflare provides DDoS protection, global CDN, and zero-downtime DNS propagation.

Device & Service Integrations

Third-Party APIs

The following integrations use official or community APIs. All trademarks are property of their respective owners. Nexum does not claim affiliation with or endorsement by any of these companies.

📷
Ring
Amazon.com, Inc.
Doorbell and security cameras. Motion events, snapshots, live view. Via ring-doorbell v0.9.14 (MIT).
💡
Tuya Smart
Tuya Inc.
Smart plugs, switches, and lighting. Local LAN control. Via tinytuya v1.17.6 (MIT).
🤖
Narwal
Narwal Technology
Freo Pro robot vacuum — start, stop, dock, zone control, battery status via official Narwal Cloud API.
📺
Vizio SmartCast
Vizio, Inc.
TV power, input switching, volume control. Via pyvizio v0.1.64 (MIT).
🎙️
Amazon Alexa
Amazon.com, Inc.
Voice assistant control, TTS announcements. Via alexapy (Apache 2.0). Alexa is a trademark of Amazon.
🌡️
Honeywell Home
Resideo Technologies
Smart thermostat temperature, mode, schedule. Via Honeywell Home developer API (developer.honeywellhome.com).
📬
Telegram
Telegram Messenger Inc.
Push notifications, Nous AI bot, morning briefs, security alerts. Via official Telegram Bot API. Telegram® is a trademark of Telegram Messenger Inc.
🏛️
Kalshi
Kalshi Inc. (CFTC regulated)
Prediction market positions and trending contracts. Via Kalshi REST API. Kalshi is regulated by the CFTC.

Artificial Intelligence

Commercial APIs
🤖

Claude (claude-sonnet-4-6)

Anthropic, PBC

Powers Nous, the Nexum AI assistant. Handles natural language commands, portfolio analysis, security research, device orchestration, and daily briefings. Accessed via the Anthropic API. Claude® is a trademark of Anthropic, PBC.

🦙

Ollama

Ollama, Inc.

Local large language model runner. Enables on-device AI inference on the reComputer's Hailo-8 accelerator without any cloud API calls. Via ollama.com (MIT).

📊

Google Analytics 4

Google LLC

Website traffic analytics on luddansvcs.com public pages only. Measurement ID: G-2DHDYG3FNJ. The Nexum application itself (app.luddansvcs.com) has no Google Analytics. Google Analytics® is a trademark of Google LLC.

🔍

Perplexity AI

Perplexity AI, Inc.

AI-powered research platform used throughout Nexum product research, security analysis, competitive evaluation, and technology decisions. Perplexity provided real-time web-grounded answers at every stage of development. Perplexity® is a trademark of Perplexity AI, Inc.

Grok

xAI Corp. (Elon Musk)

Conversational AI used for ideation, code review, and product strategy exploration during Nexum development. Brought a different reasoning perspective to architecture decisions and security threat modeling. Grok® is a trademark of xAI Corp.

⌨️

TypingMind

Tony Dinh (TypingMind)

Advanced AI chat interface that enabled multi-model workflows during development — switching between Claude, GPT, and Gemini from a single UI. Used for rapid ideation, document generation, and model comparison. TypingMind is a product of Tony Dinh.

🧠

Human Intelligence

Ludwig Taveras Perdomo — LUDDAN SERVICES LLC

No AI builds itself. Every architectural decision, product vision, integration strategy, security requirement, and design direction in Nexum originated from a human mind — one that lives in the home this system protects. The builder is the user. That's the point.

📈

Yahoo Finance / Market Data

Yahoo Inc. / Various

Real-time and historical stock price data used in the markets dashboard. Data sourced via yfinance and public market data feeds. Yahoo Finance® is a trademark of Yahoo Inc.

Operating Systems & Toolchain

Open Source
Component Description Role License
🐧 Debian LinuxDebian Project Stable, universal operating system. Runs on the reComputer AI server (Debian Bookworm). Server OS (primary) DFSG / Mixed
🐧 Ubuntu 24.04 LTSCanonical Ltd. Enterprise-grade Linux distribution. Runs on the OptiPlex 3060 compute node. Server OS (secondary) GPL / Mixed
🍓 Raspberry Pi OSRaspberry Pi Foundation Optimized Debian-based OS for Raspberry Pi hardware. Runs on the IoT gateway Pi 3. IoT gateway OS GPL
⚙️ systemdLennart Poettering / Red Hat System and service manager. Manages all Nexum backend services, ensures auto-restart on failure. Service management LGPL v2.1
🍎 macOSApple Inc. Development machine OS. All Nexum development was done on macOS using Claude Code CLI. Development environment Proprietary
🤖 Claude CodeAnthropic, PBC AI-powered development CLI. A significant portion of Nexum was written, debugged, and deployed using Claude Code as a programming partner. Development tool Commercial

Trademark Disclaimer: All product names, logos, brands, trademarks, and registered trademarks mentioned on this page are the property of their respective owners. All company, product, and service names used are for identification purposes only. Use of these names, logos, and brands does not imply endorsement.

API Use Disclaimer: Nexum integrates with third-party APIs under each provider's respective terms of service. LUDDAN SERVICES LLC makes no representations about the availability, accuracy, or continued support of any third-party API. Users are responsible for compliance with the terms of any third-party service they authorize Nexum to access.

Log & Telemetry Disclosure: Nexum generates operational logs stored locally on your hardware. These logs include: API request/response metadata, device control events, security scan results, authentication events, and error traces. Logs never leave your local network. The only external data transmission from the Nexum application is: (a) Anthropic Claude API calls when using Nous AI features, (b) third-party device API calls you have explicitly authorized. Public marketing pages (luddansvcs.com) use Google Analytics GA4 for aggregate traffic measurement.

© 2024–2026 LUDDAN SERVICES LLC. Nexum is a product of LUDDAN SERVICES LLC. Inquiries: hello@luddansvcs.com