PropoBox
Create, send, track & close proposals faster
What it does
PropoBox is a faster, simpler way to create, send, track, and close business proposals. Create professional proposals in around 5 minutes, send them instantly, track client engagement in real time, and collect approvals and e-signatures in one seamless workflow. With professional PDFs, custom branding, client management, optional AI assistance, and flat-rate pricing, PropoBox gives you what you need to spend less time building proposals and more time closing deals.
Know the moment a client opens your proposal and exactly when to follow up. Create, send, track and close in about 5 minutes. Start with a 14-day Pro trial, no credit card required.
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PropFlow — Close Deals, Not DocumentsJun 2026 · propflowsumk.lovable.app · ▲3Turn any brief into a proposal in 60 seconds


PropSignJul 2026 · myminiwebapps.gumroad.com · ▲10Client proposals in 2 minutes. One payment, lifetime access.
More growth this month
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AstraPixels▲267A pixel-art solar system at its real current positions.
Growth · 29d ago · astrapixels.com
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