BuildExact
The all-in-one calculator, quote app for contractors.
What it does
The complete contractor toolkit in one offline app: 20+ material calculators (tiles, laminate, paint, insulation, concrete), a full quote builder with your logo, digital signature and 9%/21% VAT, plus invoice generator that converts accepted quotes with one tap. Save clients, track quote status, keep a materials library with your prices. No account, no cloud, no tracking. Free basic, €14.99 one-time Pro.
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Project Material Calculator5d ago · ishareu.cn · ▲1Free material estimates for home improvement projects
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Launched alongside, August 2026
the whole month →- TL
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 · 17d ago · simedw.com