RankBull
Be bullish on your rankings.
What it does
Track how AI search engines answer about your brand, then close the gap with keyword research, AI-tuned articles and one-click publishing. One-time licence.
The affordable Semrush alternative built for AI search: rank tracking across Google and AI answers, keyword research from your own Search Console data, articles written and published to your site, indexing verified. From $29/mo, or $499 once.
Free AI visibility report New — free AI visibility report. See who ChatGPT names instead of you. Google rankings and AI answers — tracked, written, published, and verified in Google's index. This is the actual interface, not a video. Click through it — real data for a brand you know, no signup. Search Console in, article out, Google inspect on the URL. The loop the $199 tools leave as a spreadsheet. Your Search Console queries next to the answers ChatGPT, Perplexity, Claude, Gemini, and Grok actually give. Queries you already show for, pages that steal from each other, and a draft button on the ones with no URL. Pushed to your CMS. IndexNow to Bing. Google URL Inspection on the page — same…from rankbull.io
Does the same job
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Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com


OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 1d ago · opentrailpaper.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