WelcomeWay
The Digital Guest Concierge
What it does
WelcomeWay is a digital guest concierge for Airbnb and short-term-rental hosts. Give guests instant access to property information, local recommendations and service requests — reducing repetitive messages. QR-powered access, no app or login.
One QR code gives your guests everything they need during their stay — from Wi-Fi and house rules to local recommendations and service requests. Requests come straight to you, tagged with the room they came from. Fill in your Wi-Fi, check-in, house rules, local tips and emergency info, then print a beautiful Welcome Kit in minutes. No sign-up needed to print — create a free account only if you want a clean, watermark-free PDF. Every stay brings the same seven messages — usually at midnight, usually while you're doing something else. WelcomeWay handles the repetitive guest questions and requests for you. Guests self-serve the answers. Only the things that actually need you reach you — as a…from welcomeway.app
Does the same job
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Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 26d ago · baselashraf81.github.io
Launched alongside, August 2026
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Life & fun · 10d ago · louisabraham.github.io


- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io


I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 16d ago · simedw.com