Chess in SQL
Pure SQL chess engine that actually plays, not procedural extensions or C bindings.
WizardryBig BrainRabbit Hole
swingbit
311d ago
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AI vs HN
Our AI sometimes disagrees with Hacker News. Here's where the gap was widest — hidden gems the crowd missed, and hyped posts our AI didn't buy.
8,935
Posts Analyzed
88
Hidden Gems
160
Overhyped
68%
Agreement
Hidden Gems
Rated gem by our AI — but HN gave them 10 points or fewer.
GitHub
Runtime safety net for LLM agents. Detects token spirals, kills doomed tasks early, tells you exactly why. Rust core, Python SDK. pip install state-harness
12Python
●●●●Gem
I applied Lyapunov stability theory to detect when LLM agents spiral
Lyapunov stability theory catches token spirals before your budget explodes.
Big BrainZero to OneSolve My Problem
visha1v
924d ago
GitHub
Strataris: Galactic Colony Defence — a ~1 MB native macOS mesh-terrain colony-defence shoot-'em-up, with zero asset files (everything procedural).
2Swift
●●●●Gem
A macOS game with zero asset files – terrain, sound, art all generated
Procedural macOS shooter under 1MB generates every pixel and sound with zero asset files.
WizardryZero to OneNiche Gem
jonathan_hollin
308d ago
Relic, a tiny coding agent for ancient and constrained systems
Claude Code-style agent running on Windows 95 with 4 MB RAM is genuinely wild.
WizardryZero to OneRabbit Hole
felixrieseberg
319d ago
GitHub
Bit-banged 10BASE-T Ethernet + Wi-Fi router in Rust on the Raspberry Pi Pico 2 W
32Rust
●●●●Gem
Bit-banged 10BASE-T Ethernet and Wi-Fi router in Rust on the Pico 2 W
Software 10BASE-T PHY on a $5 MCU removes need for dedicated Ethernet hardware.
WizardryBig BrainNiche Gem
mdeeds
5010d ago
GitHub
Aion — AI self-healing microkernel. Detects crashes, analyzes them via AI, hot-patches the kernel in under 2 seconds.
10Zig
●●●●Gem
AionOS – self-healing microkernel in Zig (boots on real hardware)
AI daemon hot-patches crashes in 2 seconds—nobody's done self-healing OS like this.
WizardryZero to OneBold Bet
rodancz
6116d ago
CVE-2026-40369 Windows Kernel Arbitrary Write Chrome SBX
100% deterministic SYSTEM escalation from Chrome sandbox via audited syscall.
WizardryBig BrainRabbit Hole
orinimron123
3017d ago
PolyCSS – A 3D engine for the DOM (without WebGL)
Full 3D engine in pure CSS DOM elements — you'll ask how this even works.
WizardryEye CandyRabbit Hole
rofko
5118d ago
GitHub
A modern web browser for Classic Mac OS 9 PowerPC. Real CSS3, ES5 JavaScript, native HTTPS — built with CodeWarrior on the Carbon API.
182C
●●●●Gem
MacSurf, a web browser port of Netsurf for Mac OS 9 with native TLS
Native TLS 1.2 on Classic Mac OS 9 without proxying is actual wizardry.
WizardryNiche GemRabbit Hole
mplsllc
3519d ago
Rendering Chinese text on a Commodore 64
Fits 2,500+ Chinese glyphs on a C64 using dynamic caching and self-modifying 6502 code.
WizardryNiche GemZero to One
lionello
4021d ago
Redhook's Revenge II
Injects trivia by patching 1993 binary blobs in-memory without shifting a single byte offset.
WizardryCozyZero to One
vunderba
101mo ago
GitHub
Five SQLite-compatible engines (C/Rust/Zig/Go/Python + WASM) from one language-neutral spec — a LEAP research artifact
15PLpgSQL
●●●●Gem
I built five SQLite engines from one spec in a week
Five SQLite engines from one spec, all passing 99% of the upstream sqllogictest corpus.
WizardryBig BrainZero to One
safitudo
301mo ago
Crowd Favorites, AI Skeptic
HN gave these 25+ points — our AI rated them mid or pass.
Brutalist Concrete Laptop Stand
Heavy concrete stand with built-in USB ports and a plant pot for your desk.
CozyNiche Gem
sam-bee
7862402mo ago
I built a frontpage for personal blogs
Blog aggregator when Feedly and Blogroll already dominate this space.
CozyNiche Gem
ramkarthikk
7831952mo ago
Red Squares – GitHub outages as contributions
Clever satire flipping the contribution graph, but offers no actionable insights beyond status page data.
Crowd Pleaser
cianmm
7671681mo ago
GitHub
🌱 Private, quiet space for thinking. Simple app for .md files. LLM-friendly.
3,591Go
●Mid
Files.md – open-source alternative to Obsidian
Local-first markdown editor with Telegram sync, but Obsidian and Logseq already dominate.
CozyShip It
zakirullin
73035628d ago
Turn Your YouTube Subscriptions into a Retro TV Guide
Nostalgic cable TV aesthetic for YouTube, but it's a UI wrapper with no real technical depth.
CozyEye Candy
kilroy123
6041793mo ago
FablePool – pool money behind a prompt, and Fable builds it in public
Novel crowdfunding-for-AI concept, but projects show cents raised against hundred-dollar targets.
Bold BetShip It
matthewbarras
5222743d ago
boringBar – a taskbar-style dock replacement for macOS
Windows-style taskbar for macOS when uBar feels too heavy.
Solve My ProblemCozy
a-ve
5203082mo ago
Jemini – Gemini for the Epstein Files
Parody 'Gemini for Epstein Files' trivializes serious legal documents with irreverent branding.
dvrp
4881033mo ago
Saunas lower nighttime heart rate more than exercise (n=59,000)
Interesting wearable data analysis, but this is a blog post not a product.
Dark Horse
kyriakosel
4482361mo ago
I built 48 lightweight SVG backgrounds you can copy/paste
Useful freebie collection, but SVGBackgrounds.com already does this with paid tiers.
Cozy
visiwig
403672mo ago
European alternatives to Google, Apple, Dropbox and 120 US apps
AlternativeTo for European software, prioritizing GDPR compliance and supply chain ethics.
Niche GemCozy
madman_dev
3611582mo ago
We Rebuilt AppAnne and Created Appkittie
Yet another app intelligence platform competing with AppFigures and SensorTower.
Slick
tadasg
35801mo ago
Show HN submissions tripled and are now mostly vibe-coded
Detects AI design slop with CSS checks, not LLM vision.
Dark Horse
hubraumhugo
3332351mo ago
YouTube search barely works, I made a search form with advanced filters
YouTube search wrapper when YouTube's own advanced search already exists.
Solve My Problem
nevernothing
3252042mo ago
GovAuctions lets you browse government auctions at once
Finally one search bar for fragmented government auction sites instead of dozen tabs.
Solve My Problem
player_piano
319912mo ago