Thingvalla Technology

Thingvalla Technology

Custom software for complex, real‑world workflows.

We design and ship web applications, data platforms, and AI-enabled tools — from focused MVPs to production systems.

Discuss your project See our work

Recently shipped

Selected work

Live products, not mockups.

Two travel-planning products we designed, built, and run end to end. Each one is a network of useful pages rather than a single screen — open any of them below; they are live.

Travel planning · Web app

CruiseDayGuide

“Your cruise starts before you board.”

Problem
Cruise passengers piece together terminals, parking, hotels, and boarding-day logistics from scattered sources the day before they sail.
Build
A port-by-port guide system: every departure port gets its own terminal, parking, hotel, and restaurant pages, plus monthly sailing schedules, tied together by a ship-to-terminal lookup.
Evidence
Live with guides for 19 departure ports across the US and Canada, plus 7 ports of call — free, no account required.
  • 19departure ports
  • 7ports of call
  • Freeno account needed
  • Which-terminal lookup by port and ship
  • Parking rates and hotels for the night before
  • Monthly sailing schedules by port
  • Email reminders timed to your sail date
Visit cruisedayguide.com (opens in a new tab) Inside the port guides
  • Next.js
  • TypeScript
  • Tailwind CSS
  • Resend
  • React Email
CruiseDayGuide homepage: "Your cruise starts before you board" with a port search box, followed by photo cards for each cruise port guide.
CruiseDayGuide on a phone: the Port Canaveral Cruise Guide with a Find your sailing button.

Inside the port guides

Each port is a small site of its own — terminals, parking, hotels, and sailings, all one tap from the next.

Browse all 19 port guides (opens in a new tab)

Sports travel · Web app

Game Weekend

“Pick your game. We’ll plan the weekend.”

Problem
Traveling fans plan a game weekend across a dozen tabs — tickets, hotels, where to eat, and how to get to the stadium and back.
Build
Guides organized around the trip, not the city: pick a game and every hotel is explained by how you get to the venue and back — walk, event shuttle, or transit — alongside local food, bars, and things to do.
Evidence
Live with weekend guides for 81 destinations — 30 NFL stadiums and 51 NBA and NHL arenas — plus per-game pages with hotel picks and getting-there routes.
  • 81destinations
  • 30NFL stadiums
  • 51NBA + NHL arenas
  • This week’s NFL, NBA, and NHL games, by date
  • Hotels chosen by how you’ll get to the venue and back
  • Quick-start plans: easy game day, food & city time, pregame first
  • Per-game pages with hotels and routes there and back
Visit gameweekendguide.com (opens in a new tab) Weekend guide pages
  • Next.js
  • NFL · NBA · NHL schedules
  • Interactive maps
Game Weekend’s Chicago guide: Soldier Field hero reading "Lakefront football, with the city at your back", then a list of upcoming Bears home games to plan around.
Game Weekend on a phone: the Green Bay weekend guide with Lambeau Field and a Plan my weekend button.

Weekend guide pages

Every stadium and arena gets its own weekend: a local take, the games to plan around, and hotels chosen for the trip there and back.

Explore all 81 destinations (opens in a new tab)

Stadium and arena photos in these screenshots are credited on Game Weekend’s photo credits page (opens in a new tab).

More work

More products we have shipped

From parcel maps to an LED scoreboard. Each card names the problem, the decision that shaped the build, and one fact from what shipped.

  • WatchTheLaunch schedule: the next Falcon 9 Starlink launch with a countdown and a launch-confidence bar, above cards for upcoming launches

    Travel planning

    WatchTheLaunch (opens in a new tab)

    Never miss a launch from the Space Coast

    Problem
    People planning a trip to watch a Space Coast rocket launch had to piece the details together from several different sources.
    Build
    We organized it around the viewing trip: a real-time launch schedule with weather predictions and a map of viewing spots in the same place.
    Evidence
    Launched with interactive viewing-spot maps, weather predictions, and email launch alerts.
    • Next.js 14
    • FastAPI
    • PostGIS
    • Leaflet
  • Akr drainage demo: a satellite map of the northern Great Plains with a "See what water does on your ground" panel and a Draw your field button

    Agriculture & mapping

    Akr (opens in a new tab)

    See what water does on your ground

    Problem
    Landowners and farmers had to piece together drainage, topography, and field history from disconnected sources.
    Build
    Two parts: a private farm workspace for fields, work, costs, and reports with passwordless sign-in, and a public map where you trace any field to get a 1-meter LiDAR drainage read.
    Evidence
    Live with a free drainage read — low spots that never drain, how much water they hold, and the cuts that would drain them — no account needed.
    • Next.js
    • TypeScript
    • Tailwind CSS
    • MapLibre
  • RackMap map of the United States with purple clusters of harvest reports by hunting unit, under an AI-Powered Antler Scoring banner

    AI + computer vision

    RackMap (opens in a new tab)

    AI-powered antler scoring meets community scouting

    Problem
    Hunters lacked a way to score antlers or see what was being harvested where, so they relied on guesswork and fragmented local knowledge.
    Build
    We paired AI antler scoring from photos with geo-tagged community reports, so a score comes with context on what is being harvested in each region.
    Evidence
    Shipped AI antler detection and scoring from photos, alongside a map of geo-tagged harvest reports.
    • Next.js
    • TypeScript
    • Prisma
    • PostgreSQL
    • Tailwind CSS
  • Classify treemap of life with tiles for animals, plants, fungi, RNA viruses, and bacterial groups, most showing child and species counts

    Data visualization

    Classify (opens in a new tab)

    Zoom through every branch of life on Earth

    Problem
    Anyone curious about how life is organized had to dig through dense textbooks and Wikipedia tables to explore it.
    Build
    We made taxonomy spatial: a zoomable treemap that lets you drill from kingdoms down to species instead of reading tables.
    Evidence
    Covers all domains of life, with images, timelines, and species counts at every level.
    • Next.js
    • TypeScript
    • D3.js
    • Tailwind CSS
  • Pharmacopoeia Universalis home page headed "15 civilizations. Same molecules." with Start Exploring and Ask a Question buttons

    Research tool

    Pharmacopoeia Universalis (opens in a new tab)

    Where 15 ancient healing traditions converge

    Problem
    Traditional medicine knowledge was siloed by language and culture, hiding where 15 independent healing traditions reached the same cures.
    Build
    We mapped plants, molecules, and conditions across civilizations in one database, so shared discoveries surface side by side, with AI-powered exploration on top.
    Evidence
    Surfaces 46 shared compounds across 22 conditions and 15 traditions.
    • Next.js
    • TypeScript
    • Prisma
    • PostgreSQL
    • OpenAI
  • Trauma Therapy Guide homepage: "Gentle, grounded reference material for trauma work", with entry points for clinicians (EMDR 8-phase protocol) and parents (What is EMDR therapy?)

    Education

    Trauma Therapy Guide (opens in a new tab)

    EMDR therapy demystified for families and clinicians

    Problem
    Clinicians and the families they work with lacked accessible, evidence-based education about trauma therapy.
    Build
    A dual-audience content architecture: clinical precision for practitioners and plain-language guides for families, on one static site.
    Evidence
    Live with separate Clinicians and Families sections, including guides to EMDR and TF-CBT.
    • Astro
    • TypeScript
    • Tailwind CSS
  • BiasSwap home screen: Join and Log In buttons above a Browse by Group row of K-pop group avatars and filters for photocards, albums, and lightsticks

    Marketplace

    BiasSwap (opens in a new tab)

    Trade K-pop photocards with confidence

    Problem
    K-pop collectors struggled to find trustworthy trading partners for rare photocards.
    Build
    We built trust into the trade itself: trust scoring, swap matching, and a transaction state machine that moves each swap through defined steps.
    Evidence
    28 database models behind trust scoring, swap matching, and trade states.
    • Next.js 14
    • Prisma
    • PostgreSQL
    • TypeScript
  • The Book Fair's retro 'the shelf' grid of early-internet objects: dial-up modem, Koosh ball, Kid Pix, Pog tube, Winamp, and AIM

    Interactive experience

    The Book Fair (opens in a new tab)

    A love letter to the early internet

    Problem
    The objects that defined early-2000s internet culture were fading from collective memory.
    Build
    Instead of an article, a virtual shelf you explore: each artifact, from dial-up modems to AIM, opens as an audio-visual piece.
    Evidence
    A shelf of early-internet artifacts you can browse with the mouse or arrow keys, with sound.
    • SvelteKit
    • TypeScript
    • Howler.js
    • Three.js
    • p5.js

  • Hardware + live data

    NFL Ticker

    Sunday scores on a 64x32 LED matrix

    Problem
    NFL fans wanted real-time scores during games without constantly checking their phones.
    Build
    A dedicated Raspberry Pi-driven RGB LED matrix that merges several live sports APIs into one glanceable display.
    Evidence
    Shows live NFL scores and fantasy stats, fed by the NFL, ESPN, and Sleeper APIs.
    • Python
    • Raspberry Pi
    • NFL API
    • Sleeper API
    • ESPN API

    Internal display project

What we do

Software for the work that doesn’t fit a template

We design, build, and deploy web applications, data tools, and AI features end to end. Each service links to shipped work shown above.

How we work

Three steps from idea to launch

A simple rhythm that keeps you close to the work: agree on what matters, watch it take shape, then keep improving what’s live.

  1. Step 1: Define the useful version.

    We clarify the workflow, constraints, and smallest release that creates value.

  2. Step 2: Build in visible increments.

    You see working software throughout the project, not only at the final handoff.

  3. Step 3: Launch and improve.

    We deploy, measure what matters, and prioritize the next iteration.

Step one starts with a conversation.

Discuss your project See our work

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