SoloCalcKit
Simple invoicing and business tools for freelancers
What it does
Free calculators for freelancers and small businesses: rates, profit, pricing, break-even, ROI, ROAS and moSoloCalcKit is a simple invoicing and business toolkit for freelancers and small businesses. Create invoices, export PDFs, track payments, and use calculators, PDF tools and Excel templates — without the complexity of full accounting software.re. No signup required.
Run your freelance business in one simple workspace with CRM, quotes, invoices, client portal, recurring billing and free business calculators.
CRM, quotes, invoices, client portal and everyday business tools — without the bloated software. Start with free calculators, then connect the full client-to-payment workflow with Pro. Share one inquiry link and let new projects land directly in your CRM. Know which lead needs a reply, what was quoted and what happens next. Share secure links for approvals, invoices and payments without client accounts. See pipeline, accepted work, unpaid invoices, cash collected and recurring work. Rates, margins, pricing, ROI and other practical calculations stay fast and free. Relevant currency results can now flow directly into a client estimate. Work out the hourly and daily rate you need to charge to…from solocalckit.com
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Commerce · 26d ago · equitybee.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 · 16d ago · simedw.com