Hacker News — Show HN
Reviews
- nOS4 iOS 4, rebuilt from scratch and running in the browser
- NFC Energy-Harvesting Business Card Twenty-one LEDs, no battery, powered by the phone reading it
- Buddy Icon Archive 514,752 AIM icons, each one filed with where it was found
- Pushup RPG: Fitness Quest The gear can improve your loot. It cannot do a single rep for you.
- Defragger The moving blocks, on Linux, and not a wrapper around anything
- Odyssey Explorer Seventeen landfalls, every Greek word openable, and a running count of the men who never got home
- Sierra Softlock Analyzer It works out the moment a thirty-year-old adventure game stopped being winnable, then puts a stop sign one step earlier
- Mic Drop A party game with no audio in it at all — the room is the speaker, the scoreboard and the judge
- Waku A rewind that takes the code back with the conversation, in a Mac app that admits it is version 0.0.3
- IVAN BOHUN A website served from four microcontrollers that vote on which one is in charge
- Tokyo Trains The whole Kanto network in motion, and an x-ray down through Shinjuku
- Every Cube All 43,252,003,274,489,856,000 cube states, laid out on one ruler
- morningprint A thermal receipt printer that publishes one edition a day, to an audience of one
- Isopolis All 121 square kilometres of San Francisco, hand-checked quadrant by quadrant
- ssh.place A shared canvas with no app, no account, and one rule that everybody breaks
- Cycloidal Gearbox A fifteen-year-old's 3D-printed 1:9 drive, published with the version that failed and the numbers that prove it
- Elevators An interactive case that the fancy elevator kiosk is making you wait longer
- FlashFilter A GPU screen filter that catches strobing before it reaches your eyes
- Zen Mode One global hotkey that zens any Mac app, not just editors
- Wyrm Math An open-source algebra engine where illegal moves have no square to drop into
- WhimFiles A native Mac file manager that puts filtering and fuzzy-find ahead of the folder tree
- Continue? Y/N A 60-second game about how carefully you read AI commands
- Snewpapers Browse three centuries of digitised newspapers, 1730s through the 1960s
Finds
- Corporate Mind Games Daily puzzles about the parts of work nobody puts on a résumé
- Every Restaurant Has a Clock Somebody finally measured when hard-to-book tables actually appear
- Three Pins One three-hole course a day, the same three holes for everybody
- Weedout Pulls YouTube's AI-labeled videos out of your feed before you scroll past
- Floe A free, open-source instrument engine for sample libraries
- Kindle Comic Converter (KCC) Manga and comics recompressed for true fullscreen on e-ink
- nOS4 iOS 4, rebuilt from scratch and running in the browser
- Serendipity A phone app that hands you one worthwhile webpage at a time
- BentoPDF A PDF toolkit that never uploads the PDF
- Break 5 A word ladder you can finish inside a coffee break
- NFC Energy-Harvesting Business Card Twenty-one LEDs, no battery, powered by the phone reading it
- Snaketron Competitive multiplayer Snake, revived after fourteen years
- Underfoot Recording what the AI in your phone quietly became
- Cosmic Collisions Watch a moon assemble itself out of the wreckage
- Sam Learns Things — World Map A geography drill that stops asking about the boring islands
- Anything Piano Paste a link, get a piano roll that waits for you
- Buddy Icon Archive 514,752 tiny pictures people chose to be
- MyRate FX What your bank actually charges, not the mid-market rate
- OpenTIE and OpenXWA TIE Fighter at 240 Hz, with iMUSE intact
- s-1.space What they said before going public, checked against what happened
- Texttile One entry, many authors, one keyboard at a time
- Voronoi Go Go, with the grid taken away
- bury.lol A permanent headstone for the project you finally admitted was dead
- Buslens Which buses stop near this spot, and where do they go
- Invader A 10 MB podcast player that counts the hours it hands back
- Pushup RPG: Fitness Quest The only way to level up is to actually go down
- Defragger The moving blocks, on Linux, twenty years late
- GlassBox Every signal your browser hands over, sorted by what survives what
- 1 Bit Pixel A pixel-art studio that exports to almost anything
- TeXbrain pdfTeX compiled in the tab, with the paper never leaving
- TypeClip Pastes your clipboard as though a human were typing it
- Conway's Doomsday Rule Two secrets and you can name the weekday of any date
- Octophobia Clear the grid, and never make an eight
- Doubly Blackbox Checker Paste a Spotify link, find the royalties nobody claimed
- So Very Bright Make a logo glow brighter than white
- Gramola Cover Flow, exiled to the edge of the screen
- Odyssey Explorer Tap any Greek word and the ten-year voyage explains itself
- RollTab Play eight notes and your phone finishes the phrase
- draw.city Draw a shape on the map; find out how many people you just enclosed
- Saggar A Mac terminal that tells you which session is waiting on you
- Sierra Softlock Analyzer It finds the moment a Sierra game stopped being winnable, and blocks it
- All Roads Lead Home An atlas of every street you have ever walked — and the ones you never have
- Desktop Colors Every solid background color classic operating systems ever shipped, with the hex
- hncli Hacker News in the terminal, with the keys written on every screen
- Lullaby Converter Turns a song you love into a music box that keeps the real melody
- Selvum An offline password vault whose backup opens in any browser, in any year
- statuslin.es A gallery of Claude Code status lines, each rendered from the script that makes it
- Tidy Your Mac tidies itself, from the menu bar, without asking
- Visimer Edit a Mermaid diagram by dragging the diagram instead of the syntax
- Kadō A habit tracker that gives you a score instead of a streak to break
- Mic Drop You get a word, you buzz in, you sing a real song that contains it
- PageSieve Point at a page element, name the field, keep the recipe
- Punchy A spare tablet by the door becomes an honest record of the hours
- ThoughtDAG A canvas where the wire between two nodes is the context
- Waku Every coding agent in one timeline, with a rewind that moves your code too
- Widen Ask Postgres a question in English, then read the SQL before it runs
- Wild Static One AI with one memory, and everybody is writing to it
- Between Tokens Seven minutes on the other side of the chat window
- Hypnagogic Quasicrystals Non-repeating interference patterns you can walk around in WebXR
- LuaCAD Parametric CAD scripted in Lua, running in the browser
- Where's My Muni? Every Muni, BART and Caltrain vehicle in San Francisco on one map
- IVAN BOHUN A personal website served from six microcontrollers on a shelf
- Mazurka Cafe A listening room where DJs can get pelted with tomatoes
- Yesterdays of Richmond Historical photos pinned to their exact spot on a live Richmond map
- Millennium A plugin loader and CSS theming layer for the Steam client
- Mirage Browser An infinite 1998 web that doesn't exist until you ask for it
- YazSes Hold a key, speak, release — and nothing leaves the machine
- Timer Write the interval routine as text, share it as a URL
- DDIA, as a Live Comic Distributed systems drawn as panels, then pushed until they break
- UTC Time Every timestamp format a program can ask for, one click each
- Woxi The Wolfram Language, reimplemented in Rust and running in a browser tab
- git-knife Commit messages, authors and dates, edited like a spreadsheet
- MacPacker Browse an archive like a folder and drag out only the file you wanted
- p0rt Every dev server you forgot about, counted in the menu bar
- ThinkingType An eval asking whether the font changes the model's mind
- Tokyo Trains 1,900 trains moving across 147 lines, at sixty times speed
- Write.md A Markdown editor where you design the room, not the syntax colours
- AI Pulse Eight pretend LEDs living next to your Dock
- Every Cube A scroll bar with 43 quintillion stops on it
- insidedb Watch a B-tree split while you read about B-trees
- Seedle One Minecraft seed a day, scored on what's hiding in it
- Across Zones The whole time comparison lives in the URL
- Blueferry iMessage on Linux with no cloud in between
- Ember Colour palettes that survive your screen going orange
- StratoPi A Raspberry Pi, a weather balloon, and 100,000 feet
- Tectonic Globe Drag your city across a billion years of plate motion
- textlog Microblogging with the JavaScript turned off
- WhoDunnitAI Interrogate the suspects out loud and catch them lying
- Starboard A real terminal pinned beside the Dock, always there
- pokeemerald-rp2350 Pokémon Emerald recompiled to run natively on a $6 microcontroller
- Read the Water A browser trainer for reading a trout river
- S-Bahn Seat Picker A browser game about the unwritten rules of train seating
- Eclipse Times 2026 Which floor of your building can actually see the August 12 eclipse
- morningprint A thermal receipt printer that publishes one edition a day
- QWERTY MIDI Your laptop keyboard, tuned like a bass guitar
- handwritten.blog Pages published exactly as you wrote them
- LarpIn LinkedIn, with everyone finally admitting it
- newold.computer A parts counter for machines that stopped shipping decades ago
- Vinyl A turntable that spins whatever you're actually playing
- creakwork12 Your laptop hinge, now a rusty door
- Isopolis San Francisco redrawn tile by tile, and you can post a card from it
- Kakehashi Wine, pointed the other way
- Project ESPAÑOL Ten thousand Spanish poems, sorted by the verb tenses you've learned
- sixwhyo A code reviewer who just keeps asking why
- ssh.place r/place in a terminal, one pixel every fifteen seconds
- BoredReading Long-form articles ranked by readers, with a keyboard shortcut printed on every control
- Cycloidal Gearbox A fifteen-year-old's 1:9 gearbox, published with the version that didn't work
- Elevators Why the elevator isn't coming, run at 25× until you can see the answer
- jdanwire A late-nineties file-sharing client that shares nothing and plays your own disk
- Wavelength Point your phone at the room and it tells you, in words, whether the light is helping
- CheapFoodMap A map of meals under $10, with the prices actually checked
- ChipBuilder Start at the AND gate, finish running your own machine code
- CHRONOS I and II Two terminal games where you operate the machines rather than play one
- Hurtle An endless descent with ten sliders on the difficulty
- Beakdown Joust, in a browser tab, with one control
- Hot Hand Project Pick the real NBA streak out of the coin flips
- tale.fyi A whole public-domain book behind one link
- Coast An iPhone that clicks back at your Mac
- Etymologue Word origins you can walk forwards as well as back
- The Instant Ride Planner Your route with the wind drawn onto it
- Yap Dictation with nothing to download
- Aqua UI Mac OS X Cheetah, rebuilt as web components
- brolly.sh A weather forecast that is only text
- discrete6502 A MOS 6502 rebuilt from 4,051 transistors you can see
- Golf Course Browser Every US golf course on one map, filterable
- Paper A journaling CLI that leaves you receipts
- Semiconductor Simulator Animations Watch electrons and holes move through a transistor
- SpinWin Rotate any Mac window to any angle, upside down included
- Sunflowers Minesweeper in reverse — plant them instead of dodging them
- Binaural Studio Binaural beats generated to match the musical key of what's playing
- Max Studio Tools Ten open-source DSP emulations of studio EQs and compressors
- Remux A native iOS tmux client reshaped for the phone in your hand
- Life Tile Your day, auto-tracked and rendered as a Mondrian-style grid
- Bento Slides An entire slide deck — editor, viewer, and live co-editing — in one HTML file
- Cartopolis Live OpenStreetMap data rendered exactly like a 1999 MapQuest GIF
- ReadKinetic A free, no-signup RSVP speed reader that works offline on your own books
- Vivace A single-process Qt media player that plays real DVDs, menus included
- Chalk Paste a screenshot, draw arrows on it, copy the result — no file, no project, no share link
- Imagin RAW A RAW browser that treats a folder as a folder — no import step, no managed library
- In Meeting Turns the light outside your door red the moment anything opens your microphone
- Orate Select any text, press ⌥⌘L, and it joins a listening queue that never leaves the Mac
- Envy One box that searches, creates, opens and filters every note you have
- Ex Situ A map that draws a line from where each artifact was taken to where it sits now
- FlashFilter A GPU screen filter that catches strobing before it reaches your eyes
- Grace Cathedral in 3D Fly through the stained glass of a San Francisco cathedral in a browser tab
- UwUEFI A UEFI bootloader that lets TempleOS start on hardware built after it
- PDF Press — Imposition Gallery Turn any PDF into a print-ready sheet, step by step
- Regularly A new set of handcrafted puzzles every morning
- ship.md Folders as places, so moving a file can fire a real-world errand
- Firefox in WebAssembly The actual Firefox browser, compiled to run inside a browser tab
- Ilya's Papers Quest Ilya Sutskever's famous AI reading list, turned into an RPG
- Q3Edit Edit and playtest Quake III Arena maps without leaving the browser
- RewindCup Every World Cup, plotted match by match on a spinning globe
- Diena — The Timeline of Everything A zoomable timeline of four million events, from prehistory to now
- IKEA Complexity Index Every IKEA product ranked by how hard it is to build
- QBasic Gorillas (Repeeled) The 1991 banana-lobbing artillery game, faithfully remade in the browser
- Leaves A disk-usage treemap rendered entirely in terminal characters
- Firefox in WebAssembly Firefox's actual Gecko engine, compiled to WebAssembly and running inside a browser tab
- Heard An EPUB reader with on-device narration and a free library of public-domain classics
- One More Letter A daily word game that adds one letter each round and rearranges the pile into something new
- Spellsurf Slice, filter, and recombine words by syllable, part of speech, and letter pattern
- Verba Prima Guess the novel from nothing but its opening line
- Hackney Live quotes from Uber, Lyft, Waymo, Curb, and Empower side by side
- YouTube Guitar Tab Parser Turns a YouTube guitar-lesson video into a PDF of the tab
- Bananarr Fingerprints a site's tech stack without phoning home
- lidwatch Sleeps a docked MacBook when you close the lid
- Pitch Trail Ear training for kids disguised as a color game
- ten(sor)clicker Type an idea, get a clicker game, entirely in your browser
- Zen Mode One global hotkey that zens any Mac app, not just editors
- Orbit Point your phone at the sky to see the ISS, satellites, and debris in AR
- The Quiet Map A live map of the quietest place on Earth, from seismometer data
- Token Time Screen Time, but for your AI agent's token burn
- ChessFlex Serverless chess with AI opponents at real FIDE ratings
- 18 Words A daily anagram puzzle with one set of 18 letters and a clock
- PastPage A browser extension that checks every web archive at once
- Tomesphere Atlas Millions of arXiv papers rendered as one pannable, zoomable map
- Wyrm Math An algebra app where illegal moves can't physically be dragged into place
- Debloat Slack Live-strip Slackbot, huddles, and AI upsells out of the Mac Slack app
- randoFont Shuffle through Google Fonts one delightful specimen at a time
- Chiptune Radio A 24/7 livestream of 8-bit soundchip music
- WhimFiles A native Mac file manager built around fuzzy-find
- earth.tattoo A shared globe the whole internet is drawing on
- Noriento A daily workout for your sense of direction
- orzma A terminal that renders live web pages inside itself
- LightWindow Plan the shot before you leave the house
- Clipart.Free Thousands of genuinely CC0 clipart images, no signup, no watermark
- Is This Tech Dead? A deadpan registry that scores your favorite tech's Deaditude
- Local MCP An MCP server that keeps Mac Mail and Calendar access on-device
- mcpsnoop A live terminal UI showing every tool call between an AI client and its MCP servers
- Mise A distraction-free, keyboard-driven companion browser for fanless laptops
- Moon Zine A hand-styled zine that writes you a new story from five emoji
- TeXposit A collaborative editor that turns Markdown into publication-quality LaTeX
- ToothPaste A hardware BLE dongle that pastes secrets without typing them
- Typocalypse A typing roguelike where your keyboard is the weapon
- Dockside Turns the empty space around the macOS Dock into a widget workspace
- Origin Myth Map Creation myths of the world's civilizations, plotted on one map
- Pixel a Go-Go GameBoy Camera-style filters and retro screenshot upscaling for iOS
- make-look-scanned Make any PDF look like it was printed and scanned
- TownSquare One script tag adds real-time presence to any website
- Continue? Y/N A 60-second game about AI permission fatigue
- EzFurigana Add context-aware furigana to any Japanese text
- Hallucinate A massively multiplayer online rave
- Helios Plug-in solar potential calculator for any British address
- TV Explorer A polished interface for free streaming TV channels
- DoodleMate Animate your child's drawings — no generative AI in the output
- Mac Juice Monitor Bluetooth device battery levels, in your menu bar
- Palette Inspiration Color palettes extracted from 22,000+ master paintings
- Skymap An interactive 3D galaxy catalog in your browser, rendered with WebGPU
- Light Crime Audio Player A native macOS music player from a developer who wanted iTunes back
- Parrot A skeuomorphic audio recorder with a tape-deck soul
- Snewpapers Browse three centuries of digitised newspapers, 1730s through the 1960s
- Talkie Language model trained only on text published before 1931
- WhatCable Menu bar utility that diagnoses USB-C cable specs