Apps · websites · games · open source · 3D printing
Software, experiments, and things I make.
I'm Earl Hayes, a software engineer who makes apps, browser games, open-source tools, websites, and 3D designs and prints.
Each card shows where a project stands and, if it's public, links straight to it.
More about me
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Browse 3D designsCatalog
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3DCDesign
Print-shop organizer for makers — printer profiles, jobs, materials, estimates, and reports, kept local rather than in a cloud service.
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Your Whey Fitness
Offline-first workout tracker — sessions, history, stats, and local backup, rebuilt on MAUI and shipped to iOS and Android, with a web workspace for trainers and gyms: Teams, Locations, classes, and waivers.
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Adventure Cache
A map-first geocaching and exploration companion: create adventures, follow clues, log finds, collect rewards, and keep working offline. Shipped to iOS and Android.
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Rubetris
Three gem-cutting puzzle games for web, iOS, and Android: fill lines from four walls in Debrix, rotate gem clusters in Rosette, and stack the well in Erikade.
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Cache Creature
A local-first creature-card collection built from moments, signals, prompts, and scans, with a public web dashboard and a three-card practice arena.
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3D Design & Physical Products
Digital designs and physical prints for model railroading, functional tools, geocache containers, device mounts, and maker accessories. Selected designs have sold both as downloadable files and as finished physical prints.
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Cache Pal
An offline-first virtual-pet world of creature care, discovery, battles, breeding, and minigames, with a home to decorate and a world to explore. Plays in the browser and installs as an app.
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CachePal: Watch Pet
A native virtual pet for your wrist: hatch a pixel Pal, care for it, explore 14 species, and play Cache Catch. Available on Wear OS; the Apple Watch version is in review.
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City Jumper
A rooftop arcade game for the browser: master eight City Rush districts, take on the shared Daily Rush, explore creator maps, and chase the next clean run. Free to play, with no ads.
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Doodle Bluff
A phone-first drawing and bluffing party game where players sketch prompts, invent decoy captions, vote, and reveal the funniest deceptions.
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Earl's Trains
A family archive website for a lifelong O-gauge layout builder: more than sixty years of layouts, rail outings, photography, and films.
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Guidlands
A browser MMORPG built around lands that come and go: explore, fight, trade, and craft while keeping your wanderer’s progress across each new adventure. Playable on phone and desktop, with development continuing.
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Guidlands Watch
A standalone fantasy adventure for your wrist: seeded expeditions, tactical battles, loot, and gear, playable offline. Available on Wear OS; the Apple Watch version is in review.
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Keydial Commander
Turns the Huion Keydial Mini (K20) into a Stream-Deck-style macro pad on Linux — remap all 18 keys and the dial to shortcuts, chords, macros, app launches, and profile switches.
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Model Scout
A local Windows workbench for finding, previewing, and organizing 3D models: cached galleries, multi-part collections, exact duplicate checks, print-cost estimates, and reviewed file transfers.
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Ruby Moon
A Moon-themed learning companion for the Xteink X4 e-paper reader, with signed firmware, learning content, and updates confirmed by a grown-up on the device.
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Tattoo Finder
A tattoo discovery and booking platform connecting adults with artists through portfolios, private conversations, offers, and appointments. Available on the web and Android; the iOS app remains in private testing.
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Wordsracer
Two word games in one place: guess the five-letter word in Arena, solo or racing friends, or find the words hidden in a tray of letters in Word Garden.
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Cacheboard
A private, local-first workbench for running AI coding agents across a solo software portfolio: which account has capacity, what to work on next, and whether a task can be delegated and reviewed safely.
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Pocket Words
A calm, offline five-letter word game for Android: six guesses, unlimited replay, automatic save and restore, and clear feedback that uses symbols as well as color.
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From the workshop
See the 3D designs-
Model Train Truss Combo, my original design -
Sand scoops, 3DCDesign shop -
Mushroom geocache container, 3DCDesign shop -
Voronoi vase, 3DCDesign shop
Explore next: Model Scout for 3D model files, City Jumper for a quick browser run, and the things I print. About the maker