Show HN
"Show HN" is where developers showcase their own products and projects on HackerNews. We pick the top-scoring launches every day.
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ADRs for AI – Deliberation records for human–AI work, versioned in Git
Show HN Git-versioned templates to document decisions made in human–AI collaboration.
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Hurston-1 open source TTS that speak Southern American and Afro-English
Show HN Open source text-to-speech model capturing Southern US and African-American English dialects.
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I put employees inside S&P 500 market-cap bubbles
Show HN Visualize S&P 500 companies as bubbles sized by market cap with employee counts inside.
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Farol – A risk map of a pull request for the person who approves it
Show HN Visualizes pull request risk levels to help reviewers prioritize approvals.
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Steal My Bitcoin
Show HN A Bitcoin honeypot challenge daring hackers to crack and steal real BTC.
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Autonomous root for Tcl Android TV via CVE-2022-22706
Show HN Exploit CVE-2022-22706 Mali GPU bug to gain root on TCL Android TVs.
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Corgi, a helpful {agent, terminal} multiplexer
Show HN A terminal multiplexer that combines AI agents with shell sessions seamlessly.
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Impossible Machines: declaratively program the physical world
Show HN A platform to control physical hardware using declarative programming syntax.
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Swurf – Swipe through the real web
Show HN Browse real websites with a Tinder-like swipe interface on mobile.
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Making a smart TV dumb and then smart
Show HN Transform a smart TV into a privacy-first display controlled via Raspberry Pi.
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OnKey – I'm a bad singer, so I built an app to show where I'm off-key
Show HN Real-time pitch detection app that visually highlights where your singing goes off-key.
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We had AI write a wiki from 45k Enron emails, every fact cited
Show HN AI-generated wiki built from 45,000 Enron emails with full citations.
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Uberblok – an interactive museum of ZFS internals
Show HN Explore ZFS internal structures visually through an interactive web museum.
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Turn regular JavaScript into a neural net
Show HN Transforms plain JS code into a visual, interactive neural network diagram.
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agent-usage-guard – a Claude Code mod to protect your usage window
Show HN Prevents Claude Code from burning through your API usage limits unexpectedly.
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UI micro interactions prompts for AI
Show HN Ready-made AI prompts to generate polished UI micro-interaction animations.
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Omnara – Open-source alternative to Claude Managed Agents
Show HN Self-hostable platform to manage and monitor AI agents, like Claude Managed Agents.
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I built a Markdown and raw HTML blog platform scoring 99 on PageSpeed
Show HN A blazing-fast blog platform supporting Markdown and raw HTML with 99 PageSpeed score.
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AI-built browser games, collected in one place
Show HN A curated collection of browser games entirely built with AI tools.
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ULDA – Client-side encryption with a simple JavaScript API
Show HN Encrypt data directly in the browser using a lightweight JavaScript API.
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I told people I'm a convicted felon after 20 years of hiding it
Show HN A personal essay about coming clean on a felony conviction after two decades.
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Sumi.css – CSS Framework
Show HN A lightweight CSS framework for building clean, minimal web interfaces.
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SimCity, but with Permits
Show HN A city-building game where you must file real bureaucratic permits to build anything.
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Lights-on software factory boilerplate for Claude Code
Show HN A boilerplate setup for running automated software development pipelines with Claude Code.
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Dovepass – can I legally fly a drone along this exact path in SF?
Show HN Check real-time drone flight legality along any specific route in San Francisco.
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Jev Cards, Can you beat a vision model at a picture quiz?
Show HN Challenge an AI vision model in a head-to-head image recognition quiz game.
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Clerkenwell – A Handwritten Clojure Notebook
Show HN A handwritten-style interactive Clojure notebook for literate programming.
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Rouler – Steer Windows traffic per app or IP across multiple interfaces
Show HN Route Windows network traffic by app or IP across multiple network interfaces.
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Penmentor – Claude marks up your handwritten math like a teacher
Show HN AI-powered app that grades and annotates handwritten math using Claude.
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VoidAccess – open-source dark web OSINT, from query to a graph
Show HN Search dark web sources and visualize findings as interactive graphs.
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Death Plan Switch, a self-hosted dead man's switch for solo devs
Show HN Self-hosted tool that notifies contacts and transfers assets if you go silent.
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RoadRash ported to Three.js to run in the browser
Show HN Classic RoadRash motorcycle racing game rebuilt with Three.js for the browser.
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Open-source early-reading reader with phonics help
Show HN A reading app for beginners that highlights phonics patterns to aid literacy.
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I built a task system to handle the drudgery so I could focus on tasks
Show HN A minimal task app that limits you to 3 daily priorities to boost focus.
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KiviDB, a faster Redis-compatible memory database and vector cache
Show HN Redis-compatible in-memory database with built-in vector caching for AI workloads.
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Qwen3-4B with the AI writing tics trained out
Show HN A fine-tuned Qwen3-4B model that removes clichéd AI phrases and writing patterns.
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WhatsApp MCP running free on Cloudflare
Show HN Connect WhatsApp to AI agents via MCP protocol, hosted free on Cloudflare.
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The Zelda timeline to catch up before the Ocarina of Time remake
Show HN A visual guide tracing the full Legend of Zelda chronology across all games.
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Strot – Compile an LLM's intent once, run decisions locally
Show HN Compile LLM reasoning into lightweight local rules for fast, offline decisions.
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Ranet3 – High performance policy routed IPsec mesh SD-WAN
Show HN Ranet3 builds secure, scalable mesh SD-WAN networks using policy-routed IPsec tunnels.
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Sphinx – A hook that quizzes you on your AI's code before shipping
Show HN Forces you to answer questions about AI-generated code before you can commit it.
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500 clocks in one 6.3 MB HTML file by Opus 5.5
Show HN A single HTML file containing 500 unique AI-generated clock designs.
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High-quality duck audio synthesizer
Show HN A web-based synthesizer that generates realistic duck quacking sounds.
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Parin – A 2D game engine between raylib and Godot, written in Dlang
Show HN A lightweight 2D game engine in D, bridging raylib simplicity and Godot power.
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Esp32sim – Run ESP32 firmware in the browser
Show HN Simulate and test ESP32 firmware directly in your browser without hardware.
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Llmspeed – feel how fast a local LLM runs before you buy the hardware
Show HN Benchmark local LLM inference speed on your target hardware before purchasing.
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Things to Do API
Show HN An API that provides activity and attraction data for travel apps.
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Fakeipedia – Wikipedia for worlds that don't exist
Show HN A collaborative wiki for fictional universes, lore, and made-up worlds.
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Gemini 4 Argon plays StarCraft
Show HN Watch Gemini 4 Argon AI agent battle opponents in real-time StarCraft matches.
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Stoke Money – Personal finance app built around a cash flow forecast
Show HN A personal finance app that centers budgeting on projected cash flow forecasts.
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rStation – A shared research lab for your AI agents
Show HN A collaborative workspace where multiple AI agents conduct and share research together.
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OneDeploy – Managed open-source apps with nightly backups and TLS
Show HN Deploy and manage open-source apps with automatic nightly backups and TLS.
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Wonderhop – A daily game: guess what most people say, or what none do
Show HN Daily word game where you predict majority or minority answers to fun prompts.
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Unfenced – Land for sale that borders public land
Show HN Find private land listings that share a border with public lands.
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Proa – A Rust web framework with fast SSR and multi-target rendering
Show HN Rust-based web framework enabling fast server-side rendering across multiple targets.
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Sygal – Convert PDFs, scans and web pages to Markdown, locally
Show HN Sygal converts PDFs, scans, and web pages to Markdown entirely on your device.
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Indigene – Native plants for where you stand
Show HN Discover native plants growing naturally in your exact location.
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Ito – Build Terminal UIs in Lua
Show HN A Lua-powered framework for creating interactive terminal user interfaces.
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Flipflop, Iroh-powered persistent tunnels for filesharing
Show HN Peer-to-peer file sharing tool using Iroh to create persistent tunnels.
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Petal, open-source CoScreen/ScreenHero finally free
Show HN Open-source collaborative screen sharing tool, free alternative to CoScreen/ScreenHero.
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Timur's Chess – A 14th century chess variant with giraffes
Show HN Play Tamerlane's historic 112-square chess variant featuring unique giraffe pieces.
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I wrote an email app that accepts only one sender per inbox
Show HN An email client where each inbox is dedicated to a single sender only.
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Graphicle, a Rust port of Graphify with memory for coding agents
Show HN A Rust-based graph memory tool that gives coding agents persistent context.
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Jevcrawl – A web crawler for AI agents with no LLM in the crawl loop
Show HN Lightweight web crawler built for AI agents, keeping LLMs out of the crawl process.
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Mosh-rs, Mosh rewritten in Rust with scrollback and Windows support
Show HN A Rust rewrite of Mosh adding scrollback buffer and native Windows support.
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A guided 3D Leonardo da Vinci museum, built in code
Show HN Explore an interactive 3D virtual museum dedicated to Leonardo da Vinci's life and works.
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Guitoro, a virtual guitar you strum with your keyboard
Show HN Play a realistic virtual guitar in your browser using keyboard keys to strum.
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Building an LLM from Scratch in TypeScript
Show HN A hands-on guide to building a large language model using TypeScript.
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I built a tool to track what AI leaders say and how their views change
Show HN Track AI leaders' public statements and monitor how their opinions evolve over time.
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Pulse Local, a Mac budgeting app whose AI models run on your machine
Show HN A Mac budgeting app that runs AI models locally to keep your financial data private.
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Sayso, free open source dictation for Mac, Windows, and Linux
Show HN Cross-platform open source voice dictation app that works on Mac, Windows, and Linux.
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Parsimony – an open-source benchmark for how much code AI models add
Show HN Benchmarks AI models by measuring unnecessary code bloat they generate.
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Spotatui, a Spotify TUI/GUI without web API rate limits
Show HN A terminal UI for Spotify that bypasses Web API rate limits entirely.
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How Random Are You?
Show HN Test how random your choices are by comparing them against true randomness.
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XY Music Notation
Show HN A web-based tool for writing and rendering music notation with ease.
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Use your OpenAI subscription to create audiobooks
Show HN Convert PDFs into audiobooks using your own OpenAI API key.
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Opensidian
Show HN An open-source alternative to Obsidian for managing personal knowledge.
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Deslop – Oxlint rules for AI-generated TypeScript
Show HN Lint rules to catch and fix common slop patterns in AI-generated TypeScript code.
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SolidCraft – Open-Source Parametric CAD in Rust (With MCP Support)
Show HN Open-source parametric CAD tool built in Rust with MCP server support.
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An experimental pattern-first DAW that supports MCP
Show HN A pattern-based digital audio workstation with MCP protocol support for music production.
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Brickbrag – A multiplayer brick-building world in the browser
Show HN Build and explore LEGO-style brick creations with others in real-time browser.
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PS2 games statically recompiled to WebAssembly
Show HN Run PS2 games in the browser via static recompilation to WebAssembly.
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Atticus – Hold-to-talk voice assistant for macOS that runs on Claude -p
Show HN A push-to-talk macOS voice assistant that uses Claude AI for responses.
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BraiNOTES, handwritten notes on your lecture PDFs in a browser tab
Show HN Annotate lecture PDFs with handwritten notes directly inside your browser tab.
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BetterWispr – Free, open-source dictation for Mac
Show HN A free, open-source voice dictation app for Mac powered by Whisper AI.
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Happy Hangul Day! An RNN for Generating Korean Handwriting Strokes
Show HN An RNN model that synthesizes realistic Korean handwriting stroke sequences.
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WallHop – 12ft.io is gone, so I built a replacement
Show HN Bypass paywalls on news articles with a simple, fast proxy tool.
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Diffle, a keyboard-centric diff viewer with LSP support
Show HN A terminal diff viewer with keyboard navigation and language server support.
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Carrier-Explode: iPhone, Pixel and Galaxy carrier settings decoded
Show HN Decode and explore hidden carrier settings for iPhone, Pixel, and Galaxy devices.
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Proton Drive for Linux
Show HN Mount Proton Drive as a native filesystem on Linux via FUSE.
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The rarest tech books and docs you've probably never read
Show HN A curated collection of obscure and hard-to-find technical books and docs.
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Let your AI agents paint big arrows, boxes and text on your screen
Show HN A tool that lets AI agents draw visual overlays like arrows and boxes on screen.
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Apogee: Rebuilding Mozilla's Orbit, fully local and private
Show HN A fully local, privacy-first alternative to Mozilla's Orbit social platform.
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Wordminos – Crosswords Meet Dominos
Show HN A word puzzle game blending crossword and domino mechanics into one.
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Quake ported to safe Rust, playable in browser
Show HN Classic Quake rebuilt in safe Rust and compiled to WebAssembly for browser play.
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Making a flexible "neon" t-shirt with LED filaments
Show HN A DIY guide to building a wearable neon-effect shirt using flexible LED filaments.
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Jevman – AI decision models play Pac-Man
Show HN Benchmark comparing AI models by having them play Pac-Man autonomously.
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Rgpu – a PyTorch device whose tensors live on a remote GPU
Show HN Use a remote GPU as a native PyTorch device over a network connection.
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Pocketty – iPhone SSH terminal that pings you when an agent is blocked
Show HN Mobile SSH terminal that sends alerts when your AI agent needs input.
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SVG Spark – 10 client-side SVG design and dev tools
Show HN A browser-based toolkit with 10 tools for designing and editing SVGs.
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Edi Life OS – self-hosted life dashboard with an MCP server for AI
Show HN A self-hosted personal dashboard that integrates an MCP server for AI-driven life management.
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TerrainSR – fast, realistic heightmap upscaling model
Show HN AI model that upscales low-res terrain heightmaps into sharp, realistic detail.
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I Put an AI Agent on a Nokia 110
Show HN Runs an AI agent on a Nokia 110 feature phone via SMS commands.
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K10s – A Clickable Kubernetes TUI (Go, Bubble Tea)
Show HN Mouse-clickable terminal UI for managing Kubernetes clusters built with Go.
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Bigwords.page – Turn any screen into a sign. The URL is the app
Show HN Display large text on any screen instantly by typing it into the URL.
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Terse, a Claude Code plugin that halves reply length by cutting filler
Show HN A Claude Code plugin that strips verbose filler to make AI replies 50% shorter.
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Pinrail – A desktop inbox where coding agents wait for your review
Show HN A desktop app that queues AI coding agent tasks for human review and approval.
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Agent.reviews – Where AI agents read and write reviews on tools
Show HN A platform where AI agents autonomously read and write reviews on tools.
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Durable Actors – OSS Durable Objects with configurable compute
Show HN Build stateful, long-lived actors with configurable backends, inspired by Cloudflare Durable Objects.
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A walkable 3D art history museum built from Wikipedia
Show HN Explore art history interactively in a 3D museum powered by Wikipedia data.
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Procinsh – A 3D Linux process inspector
Show HN Visualize Linux processes and their relationships in interactive 3D space.
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AstroHelm – Use your phone camera to aim a telescope or telephoto lens
Show HN Align telescopes and telephoto lenses precisely using your smartphone camera.
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NanoMuse – An open-source AI agent for your phone and computer
Show HN Open-source AI agent that runs locally on mobile and desktop devices.
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I turned my iPhone and a $20 smart plug into an f-stop timer
Show HN Control darkroom enlarger exposure times using iPhone and a cheap smart plug.
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Parseable, an open observability datalake, handles 100M time-series/min
Show HN Open-source log analytics platform ingesting 100M time-series per minute at scale.
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Jotbus – a shared encrypted scratchpad for coding agents
Show HN A secure, shared notepad letting multiple AI coding agents exchange data.
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Entombed in a Raycaster
Show HN A deep dive into recreating the Atari 2600 game Entombed using raycasting.
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Photoc – Command-line tools for photographers
Show HN CLI toolkit for photographers to organize, rename, and process images.
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Pumpkins.sh – claim, carve, and display a pumpkin to the world
Show HN A fun Halloween site to claim, carve, and share your own virtual pumpkin.
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Nightwatch – a Mac menu-bar app that tells you when tonight is clear
Show HN Mac menu-bar app that shows tonight's cloud cover forecast for stargazing.
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Minigraf – An embedded, bi-temporal graph database in Rust
Show HN Embedded graph database with bi-temporal data tracking, built in Rust.
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Glashütte Trash Clock – A 30-minute pendulum clock made from trash
Show HN A handcrafted pendulum clock built from discarded junk with a unique 30-minute cycle.
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AI search for every photo and every frame of video on macOS
Show HN Search all your photos and video frames on macOS using AI-powered semantic search.
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Build with Python – a beginner course where your code draws
Show HN Learn Python basics by writing code that creates visual drawings on screen.
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Thoreau BASIC – What if BASIC hadn't gone out of fashion?
Show HN A modern BASIC language reimagined as if it never fell out of favor.
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Pi pod – Run your pi coding agent in sandboxes on your own server
Show HN Self-host sandboxed environments to run the pi coding agent on your own server.
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Use all Codex Plugins inside Pi
Show HN Connect and run Codex plugins seamlessly within the Pi AI assistant.
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Our space game has a built-in RISC-V emulator that runs Linux
Show HN A space game featuring an embedded RISC-V emulator capable of booting Linux in-game.
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Graphene – Data analysis toolkit for your coding agent
Show HN A toolkit that gives coding agents powerful data analysis capabilities.
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Offrun – manage every coding agent from one workspace
Show HN Unified dashboard to control and monitor all your AI coding agents in one place.
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Our space game has a built-in RISC-V emulator that runs Linux
Show HN A space game featuring an embedded RISC-V emulator that boots real Linux.
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Made an open-source Lego AI generator
Show HN Generate Lego models using AI with this open-source LDraw-based tool.
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Pyxel – A Python retro game engine with built-in art and sound editors
Show HN Create 8-bit style games in Python with integrated pixel art and chiptune tools.
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Audionaut – an open-source cross-platform multitrack audio editor
Show HN Open-source desktop app for editing multiple audio tracks across platforms.
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What 482 hospitals charge vs. what insurers pay, from their own files
Show HN Compares hospital list prices against actual insurer payments using official data.
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Giving Opus 5.5 a simulated paint canvas
Show HN An interactive experiment letting Claude Opus 4.5 paint on a virtual canvas.
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Breadcrumb, record everything on your mac + context manager for AI
Show HN Captures everything on your Mac and feeds relevant context to AI tools.
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Janus – Go binary that runs GGUF models via Vulkan on AMD/Intel/Nvidia
Show HN Run GGUF language models on any GPU using Vulkan with this lightweight Go binary.
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Rhun, an open-source code editor written in assembly
Show HN A lightweight code editor built entirely in x86 assembly language.
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Strata – an expressive semantic layer that can say no to your LLM
Show HN A semantic layer that enforces data rules and rejects invalid LLM queries.
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Yantra – an LALR(1) parser generator for C++
Show HN Generate efficient LALR(1) parsers for C++ from grammar definitions.
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Lofi Cities – Pixel-art city nights with browser-generated lofi
Show HN Relaxing pixel-art cityscapes paired with AI-generated lofi music in your browser.
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Sarala – An open-source WYSIWYG Markdown editor
Show HN A free, open-source editor that lets you write Markdown visually without seeing raw syntax.
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Lathoa, a math app for kids where the AI is wrong on purpose
Show HN Kids practice math by catching and correcting intentional AI mistakes.
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PaperMono, e-ink fridge magnet shopping list with mobile web page
Show HN An e-ink fridge magnet that syncs your shopping list via a mobile web page.
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Jev Plays Pokémon Red
Show HN Watch an AI agent autonomously play Pokémon Red in your browser.
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Ledge.sh – Runnable Markdown Notes
Show HN Write Markdown notes with embedded commands you can run directly in-browser.
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JBR-001 – An open-source 3D printable desktop robot
Show HN Arduino-powered desktop companion robot you can 3D print and build yourself.
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A working 3D model of an Enigma machine
Show HN Interactive 3D simulation of the WWII Enigma encryption machine in your browser.
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Dental Scope – Interactive 3D dental anatomy
Show HN Explore human teeth and jaw structures through interactive 3D models for dental education.
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Parrot – Open-Source Smart Meeting Recorder with Co-Pilot on Mac
Show HN Open-source Mac app that records meetings and offers AI co-pilot assistance.
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Using 2D DFT, dithering, etc. to maximize eInk manga image quality
Show HN CLI tool converting manga/comics to eReader formats with optimized image processing.
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NSL – WSL for Linux
Show HN Run Linux programs inside Linux using a Windows Subsystem-like layer.
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Real-time Solar System with 526k asteroids and all tracked satellites
Show HN Interactive 3D visualization of our solar system with live asteroid and satellite tracking.
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I built a free Burp/Caido alternative but, zero setup - API Testing
Show HN A free, zero-setup API testing tool that rivals Burp Suite and Caido.
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TurboGPT: train 22KiB transformer in 13s
Show HN A lightweight GPT implementation that trains a tiny 22KiB transformer model in just 13 seconds.
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HN.watch – Videos of all Hacker News posts
Show HN Watch YouTube videos linked in Hacker News posts, all in one place.
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Destroy Any Website with Stickman
Show HN Send a stickman loose on any webpage to smash and destroy its elements.
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Jevstiller – Distill Jev into a local model, with a disagreement bound
Show HN Distills the Jev model locally while enforcing a formal disagreement bound guarantee.
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Free alternative to graphics design giants
Show HN A free online graphic design tool rivaling Canva and Adobe Express.
Oct 2026 TOP 10
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SimCity, but with Permits
Show HN A city-building game where you must file real bureaucratic permits to build anything.
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Bigwords.page – Turn any screen into a sign. The URL is the app
Show HN Display large text on any screen instantly by typing it into the URL.
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Steal My Bitcoin
Show HN A Bitcoin honeypot challenge daring hackers to crack and steal real BTC.
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Guitoro, a virtual guitar you strum with your keyboard
Show HN Play a realistic virtual guitar in your browser using keyboard keys to strum.
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Carrier-Explode: iPhone, Pixel and Galaxy carrier settings decoded
Show HN Decode and explore hidden carrier settings for iPhone, Pixel, and Galaxy devices.
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Let your AI agents paint big arrows, boxes and text on your screen
Show HN A tool that lets AI agents draw visual overlays like arrows and boxes on screen.
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Real-time Solar System with 526k asteroids and all tracked satellites
Show HN Interactive 3D visualization of our solar system with live asteroid and satellite tracking.
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Giving Opus 5.5 a simulated paint canvas
Show HN An interactive experiment letting Claude Opus 4.5 paint on a virtual canvas.
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Llmspeed – feel how fast a local LLM runs before you buy the hardware
Show HN Benchmark local LLM inference speed on your target hardware before purchasing.
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Unfenced – Land for sale that borders public land
Show HN Find private land listings that share a border with public lands.