X86CSS – An x86 CPU emulator written in CSS
Emulating x86 in pure CSS. No JavaScript. It actually works and runs C programs.
WizardryZero to OneRabbit Hole
rebane2001
275935mo ago
Other Projects
Unique and uncategorized projects from Show HN that don't fit neatly into other categories.
A physically-based GPU ray tracer written in Julia
Research-grade ray tracer in Julia; spectral path tracing on AMD/NVIDIA/CPU, no mesh export.
WizardryZero to OneEye Candy
simondanisch
198925mo ago
GitHub
A 3D raycasting engine running inside a TrueType font's hinting virtual machine
64Python
●●●●Gem
TTF-DOOM – A raycaster running inside TrueType font hinting
Raycasting engine in 6.5KB of TrueType hinting bytecode—font VM as GPU.
WizardryZero to OneRabbit Hole
4RH1T3CT0R
68123mo ago
GitHub
Battery info program for x86-64 Linux laptops in 307 bytes of machine code
100Assembly
●●●●Gem
A (marginally) useful x86-64 ELF executable in 301 bytes
Fits battery monitoring into 301 bytes — pure demoscene craft.
WizardryCozy
meribold
65213mo ago
Modembin – A pastebin that encodes your text into real FSK modem audio
Vanilla TypeScript FSK encoding with quadrature discriminator—modem audio from scratch, no libraries.
WizardryRabbit HoleCozy
a13x57
1314mo 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
402mo ago
The 323, a 32-bit computer in Conway's Game of Life
Working 32-bit computer in cellular automata with assembler, emulators, and full documentation.
WizardryZero to OneRabbit Hole
256_
103mo ago
Hallucinopedia
Generates fake scholarly articles on demand for topics that don't exist yet.
Rabbit HoleZero to OneCozy
bstrama
3172672mo ago
Contrapunk – Real-time counterpoint harmony from guitar input, in Rust
Real-time guitar-to-MIDI harmony with proper counterpoint rules and sub-10ms latency.
WizardryNiche Gem
waveywaves
118563mo ago
Orbit – AR satellite tracker, watch 15k+ objects
AR overlay of 15k satellites beats SkyView with real-time debris tracking.
Eye CandyCrowd Pleaser
lukas9
891917d ago
I built a RISC-V emulator that runs DOOM
Running DOOM on a homegrown RISC-V core is a rite of passage executed well.
WizardryBig Brain
Flex247A
5042mo ago
Doomscroll the Goverment's UFO Files as One Gigantic Microfilm
Doomscroll 55k pages of UFO files like an endless microfilm reel.
Rabbit HoleEye CandyZero to One
keepamovin
26142mo ago
Anthrology – Time-Traveling Radio
Time-travel radio by vibe instead of genre—haven't seen this approach before.
Rabbit HoleZero to OneCozy
airstrike
1084mo ago
Having fun making mini static site apps
Doom, NES, and Game Boy emulators running in a browser tab with zero backend.
Rabbit HoleCrowd PleaserWizardry
joeheyming
1001mo ago
Onionfutures.com: transferable contracts for future delivery of onions
Private onion futures contracts exploiting a 1958 law loophole to bypass exchange bans.
Zero to OneBold BetRabbit Hole
a11ce
622mo ago
I vibe coded a DAW for the terminal. how'd I do?
Complete DAW in the terminal with Euclidean rhythms, just intonation, and LAN collaboration.
WizardryBold BetRabbit Hole
lmohseni
505mo ago
I calculated sun/shade exposure for every seat at World Cup stadiums
Solar position data for stadium seats when SeatGeek and StubHub don't track sun exposure.
Crowd PleaserBig BrainSolve My Problem
dkaragas
524mo ago
GitHub
Open-source KYC/AML compliance automation. 17 human-in-the-loop checkpoints, free public data sources, deterministic risk scoring. Runs on Claude Cowork, Claude Code, or any Claude client.
50
●●●Banger
Open-source KYC plugin for Claude – 95min→27min, £85K→£240/year
Replaces £85K compliance platforms with £240/year Claude Pro + free public data.
Zero to OneBig BrainSolve My Problem
vyayasan
435mo ago
GitHub
JIT-accelerated relativistic N-body engine with Planet 9 hypothesis testing
2Python
●●●Banger
Astroworld – A universal N-body gravity engine in Python
171x Numba speedup reveals Moon in Earth residuals—Planet 9 validation engine.
WizardryBig BrainRabbit Hole
salinas00
305mo ago
GitHub
Release orchestration and environment visibility for modern microfrontend architectures.
6Python
●●●Banger
WatchTurm – an open-source release visibility layer I use in my work
Multi-environment release dashboard aggregates GitHub+TeamCity+Jira in one control room, no agents.
Solve My ProblemSlickDark Horse
WatchTurm
305mo ago
loopmaster Beta – Code Music
Live audio coding in browser with visual widgets beats Supercollider setup friction and Sonic Pi's limitations.
Eye CandyCrowd PleaserZero to One
stagas
365mo ago
MantleDB – Anonymous JSON storage for your side projects
Stripe-free JSON storage solves tiny project friction better than Firebase, Supabase.
Ship ItSolve My ProblemBig Brain
moonwizard
315mo ago
Topo maps and Meshtastic mesh networking in MGRS navigator
Wrote a protobuf encoder from scratch to integrate Meshtastic with no React Native SDK.
WizardryNiche Gem
redgridtactical
303mo ago
Physical constants from 2 integers – MIT, 1225 tests, falsifiable
Derives 87 physical constants from two integers with zero free parameters.
Rabbit HoleBig BrainBold Bet
iq19zero
303mo ago
I made the first free ad blocker for podcasts
First free app to skip dynamic server-side ads without re-hosting episodes.
Zero to OneBold Bet
hamza_q_
342mo ago
Pg-jason-validator fastest JSON schema validation via C Macros
Compiles schemas into C macros for 1.56x speedup over pg_jsonschema.
Big BrainWizardryBold Bet
furstenheim
3015d ago
Bolted – Visualizing real-time lightning strikes with MetalKit
MetalKit rendering makes storm patterns readable at a glance on iOS.
SlickEye Candy
ryeguy_24
317d ago
Pastport – Your iPhone Left an Airbnb
On-device Safari intelligence that finds travel trails without cloud accounts.
Big BrainZero to One
anupamchugh
303d ago
What If Donut.c but With Any ASCII Art
Spins any ASCII logo in 3D using nothing but math and printf.
WizardryRabbit HoleCozy
areofyl
302d ago
Mukoko weather – AI-powered weather intelligence built for Zimbabwe
AI weather built for Zimbabwe's seasons and altitude, not London's — free for everyone.
Zero to OneSolve My ProblemCozy
bryanfawcett
205mo ago
Evolved cells navigate a maze with no training or fitness function
Cells navigate mazes with no fitness function — behavior emerges from simple rules.
WizardryRabbit HoleZero to One
heavymemory
204mo ago
RFC Esolang – RFCs as executable programs
Pre-existing RFCs parse as valid programs — RFC 9379 outputs powers of two.
Zero to OneBig BrainRabbit Hole
beefburger
203mo ago
The first (free) podcast ad blocker
Free iOS app that actually detects and skips podcast ads locally without a subscription.
Crowd PleaserShip ItSolve My Problem
hamza_q_
202mo ago
LinkedRecords – A Server-Sovereign Alternative to Firebase
Firebase-killer with server-side auth, CRDT sync, and bring-your-own-backend model.
Zero to OneBig BrainSolve My Problem
WolfOliver
105mo ago
WebGL mipmap renderer for a zoomable R/place on a real world map
2.6-trillion-pixel r/place on a real map with mipmap rendering—genuinely clever technical solution.
WizardryRabbit Hole
recuerdame
105mo ago
I built an audiobook player that syncs with your physical book
Page Sync uses on-device OCR to jump audio to your physical book's page.
CozyBig Brain
arcadianalpaca
124mo ago
Spiral – continuous-thrust orbit-transfer design in the browser
Real-time RK4 orbital propagation in the browser with circularization guidance.
WizardryNiche GemShip It
eevenson
1011d ago
AeroSheet – 3D wings and airfoils go weee (in a spreadsheet)
Runs a 16-station Prandtl solver inside a Google Sheets sidebar with Three.js visuals.
WizardryNiche Gem
hackiku
1018h ago
I mapped every US golf course – 18k courses, free, no signup
OpenStreetMap data enriched with USGA ratings beats Google Maps for specific golf needs.
Niche GemCozy
rickmf
2201673d ago
Stacked Game of Life
Stacked 3D Game of Life beats the flat grid, but it's still just Conway's automaton.
Eye CandyRabbit Hole
vnglst
195275mo ago
Made a little Artemis II tracker
Mission control dashboard for Artemis II when NASA's site works fine.
Niche GemCozy
codingmoh
154613mo ago
An index of indie web/blog indexes
Finally, a single place to find all those scattered indie web directories.
CozyNiche Gem
rocketpastsix
154392mo ago
Helios – what plug-in solar could generate for any address in Britain
Government LIDAR data powers UK-specific solar estimates when Project Sunroof doesn't cover Britain.
Niche GemBig Brain
ruaraidh
126442mo ago
Perfect Bluetooth MIDI for Windows
Fixes the broken Windows BLE-MIDI stack so your Roland keyboard actually works in Ableton.
Solve My ProblemNiche Gem
mayerwin
105402mo ago
GitHub
ANSI art screensaver for macOS — streams art from 16colo.rs BBS archive packs
189Swift
●●Solid
ANSI-Saver – A macOS Screensaver
Streams 16colo.rs BBS art with libansilove rendering; pure nostalgia fuel.
CozyEye CandyRabbit Hole
lardissone
104394mo ago
VOOG – Moog-style polyphonic synthesizer in Python with tkinter GUI
Full Moog ladder filter synthesizer in tkinter beats buying hardware for experimentation.
WizardryNiche GemEye Candy
gpasquero
96395mo ago
What if your synthesizer was powered by APL (or a dumb K clone)?
APL-style syntax generates waveforms in-browser when Sonic Pi and SuperCollider require installation.
Niche GemWizardryRabbit Hole
octetta
92334mo ago
![The King Wen Permutation: [52, 10, 2]](/screenshots/47486680_thumb.webp)
The King Wen Permutation: [52, 10, 2]
Finds hidden [52, 10, 2] permutation cycles in 3,000-year-old I Ching text.
Niche GemBig BrainRabbit Hole
gezhengwen
65274mo ago