# Skalder

> Skalder is a modern, real-time digital signage platform designed for organizations, businesses, public spaces, and housing cooperatives in Norway and the Nordic market. Operated by Thuv-Slettli Systems (Org.nr. 937 311 354, Melbu, Norway).

## Core Capabilities

- **Browser-Based Player**: Runs on any device with a modern web browser (Smart TVs, Raspberry Pi, Android TV boxes, Chromeboxes, PCs, tablets) without requiring expensive proprietary hardware.
- **Real-Time Sync**: Instant updates pushed via Laravel Reverb websockets with sub-second latency. Content modifications in Studio reflect on screens immediately.
- **Offline Resilience**: Displays cache their last received schedules, assets, and layouts locally, continuing uninterrupted playback if internet connectivity drops, and reconnecting automatically.
- **Nordic Live Data Feeds**: Built-in integrations for:
  - Public transport departures via **Entur** (Norway) and **ResRobot** (Sweden)
  - Weather forecasts from **Yr / Meteorologisk institutt (MET Norway)** and **Open-Meteo**
  - Aviation **METAR** weather data and **Avinor** airport departure boards
  - Calendar & meeting room displays (iCal / Microsoft / Google)
  - High-priority **Emergency Overrides** (fire, weather, civil warnings) that lock all screens instantly.
- **Scandinavian Design**: Minimalist, human-scaled layouts optimized for legibility from across a room, preventing visual clutter.

## Subscription Plans & Pricing (in NOK)

- **Starter (Free)**: 0 NOK / month. Includes 1 screen, up to 2 users, all layout templates, and live data feeds.
- **Basic**: 199 NOK / month (or 1 990 NOK / year). Covers up to 5 screens, 5 users, screen groups, scheduled playlists, and emergency alert overrides.
- **Pro**: 499 NOK / month (or 4 990 NOK / year). Covers up to 20 screens, 25 users, designed for multi-site fleets and enterprise locations.
- **Trial**: 14-day free trial on the Pro tier for all new organizations — no credit card required.
- **Corporate Invoicing**: Annual billing via **EHF (Peppol BIS 3.0)** and standard PDF invoices for Norwegian companies, municipalities, and public sector entities.

## Target Use Cases

- **Offices & Corporate**: Welcome screens in reception lobbies, canteen newsboards, real-time bus departures for commuters, and meeting room agenda displays.
- **Clinics & Waiting Rooms**: Doctors, dentists, salons, and physical therapists displaying soothing content, health notices, and nearby transit times.
- **Borettslag & Sameier (Housing Co-ops)**: Digital notice boards in stairwells replacing paper notes, providing resident announcements, maintenance alerts, and fire routines.
- **Gyms & Sports Centers**: Group class schedules, opening hours, local weather, and sponsor announcements.
- **Transport Hubs & Municipalities**: Departure totems, local event schedules, and safety instructions.

## Hardware & Deployment Requirements

- **Supported Hardware**: Any screen or device capable of running a modern browser (Chromium, Chrome, Safari, Firefox, Edge, Android WebView).
- **Pairing**: 6-character pairing code generated in Studio; pair once in under 30 seconds with no ongoing device maintenance required.
- **Operating Systems**: Raspberry Pi OS, Android TV / Google TV, Tizen (Samsung), webOS (LG), Windows, macOS, Linux.

## Compliance & Privacy

- **GDPR & Privacy**: Full compliance with EU/EEA GDPR. Hosted and operated within Norway/EU data infrastructure.
- **Operator**: Thuv-Slettli Systems (Org. nr. 937 311 354, Melbu, Norway).

## Documentation & Links

- [Homepage](https://skalder.no/): Main marketing page with live interactive screen player.
- [Visual Layout Inspector](https://skalder.no/showcase): Gallery of 14 screen layout presets and orientations.
- [Live Player](https://skalder.no/player): Zero-dependency kiosk player endpoint.
- [Terms of Service](https://skalder.no/terms): Legal terms of service.
- [Privacy Policy](https://skalder.no/privacy): GDPR and data protection policy.
- [Full LLM Specification](https://skalder.no/llms-full.txt): Extended technical details and FAQs.