drzivil · HN

Drag boxes around and watch a layout engine infer the Flexbox (no AI)

@MayankWadhera · X

And any startup can list their startup at $ 1 to be in top 10 this week

u/CarefulArmadillo3496 · Reddit

SparkGap - an agentic linear algebra experience Hey everyone, I'm building sparkgap.ai , an interactive tutor for linear algebra. You fill in the matrices/vectors, the LLM gives you hints until you get it correct. The hope is that it will get smarter over time from the context of which questions were missed/answered correctly. As you master concepts, the progress ring next to each concept will slowly fill in. Hopefully it should be very difficult to get to full mastery. Feedback and qu

@durinthegreat · X

Building and launched - let’s connect!

@pgrant67 · X

Uber gave 5,000 engineers Claude Code. 4 months later, their entire 2026 AI budget was gone. This is what happens when adoption outruns proof. We built the free AI ROI Index to show where your AI spend is actually driving value:

@EllistriponX · X

@vkuoo · X

Added more demos showcasing graph-math relationships, built with Codex.

@edward_terhov · X

Plan your next vacation with Passage AI :) coming to app store and google play soon!

u/ForceKind6013 · Reddit

First paying customers on my attention heatmap SaaS. Now be brutal, what would make YOU churn? Heatpoints predicts where human eyes will look on any URL, design or video, before it has any traffic. Heatmap, score /100, AI audit, live mode where the map re-renders while you scroll the actual site. Think Attention Insight but with a permanent free plan, no watermark on paid, and white label at 59€ instead of 299€+. Current state: launched recently, steady free usage, a handful of paying cus

khalis_ux · Product Hunt

CartesiumAI Learn by experimenting with a real-time AI companion