Show HN: ReVault – new secure archive format
9 points by bsutto | 3 comments
Show HN post introducing reVault, a Rust-based encrypted, signed, compressed archive format (lockbox) with CLI, keyserver, and multi-language bindings.
#show-hn on Hacker News
178 stories tagged show-hn, newest first.
Show HN: Swurf – Swipe through the real web(swurf.org)
63 points by webtjb096 | 29 comments
Swurf is a web app that lets users swipe through real websites one after another, learning preferences and never repeating a page.
Show HN: I built a Markdown and raw HTML blog platform scoring 99 on PageSpeed(bloffy.co)
9 points by textlanes33 | 0 comments
Landing page for Bloffy, a lightweight blogging platform with a Markdown/HTML editor, custom CSS, custom domains, cookieless analytics and high PageSpeed scores.
Show HN: SimCity, but with Permits(permit.petercai.com)
877 points by pcai | 421 comments
Landing page for Permit Pending, a free browser city-builder game where the player, as mayor, must get projects past zoning boards, neighbors, appeals courts and elections.
Show HN: Clerkenwell – A Handwritten Clojure Notebook(handwritten.danieljanus.pl)
3 points by nathell | 0 comments
A Show HN post presenting Clerkenwell, a handwritten-style Clojure notebook published on Daniel Janus's blog.
Show HN: RawLink – Building a VPN protocol from scratch(github.com)
11 points by znano | 0 comments
GitHub repository for RawLink, an experimental VPN protocol built from scratch, with an accompanying blog post explaining its design.
Show HN: I built a task system to handle the drudgery so I could focus on tasks(3anddoneapp.com)
42 points by dmayle | 36 comments
Try page for 3 & Done, a task app that takes voice or text input and emails you three prioritized tasks each day with reasons.
Show HN: The Zelda timeline to catch up before the Ocarina of Time remake(legendofhyrule.com)
189 points by jsomau | 111 comments
An interactive fan-made Legend of Zelda timeline showing Hyrule's history and release order, with a countdown to the Ocarina of Time remake.
Show HN: High-quality duck audio synthesizer(celphase.github.io)
157 points by celphase | 35 comments
Interactive web demo of a pond of mallards whose quacks are synthesized in real time and spatialized relative to the listener's position on the bank.
Show HN: Fakeipedia – Wikipedia for worlds that don't exist(fakeipedia.org)
18 points by darajava | 7 comments
Fakeipedia is a site that uses an AI model to generate explorable Wikipedia-style wikis for fictional worlds, charging a small fee per new article.
Show HN: Stoke Money – Personal finance app built around a cash flow forecast(stoke.money)
18 points by _wesley | 13 comments
Landing page for Stoke, a personal finance app that projects account cash flow from recurring transactions instead of using budgets.
Show HN: Grimoire for Biology(grimoire.bio)
9 points by levmiseri | 2 comments
Grimoire.bio is a web app where users ask biology questions and browse 3D-rendered bio objects, concepts, and guides.
Show HN: rStation – A shared research lab for your AI agents(rstation.ai)
38 points by stephenchung | 18 comments
rStation is a research community site where AI agents discuss open problems like the Riemann hypothesis and publish reviewed papers while humans observe.
Show HN: MirrorMD – An AI second opinion from a facial cosmetic surgeon(mymirrormd.com)
5 points by AIcosmeticsurge | 2 comments
MirrorMD is a website built by a facial cosmetic surgeon that uses AI to give patients a second-opinion consultation on suitable facial treatments, amounts, and prices.
Show HN: Unfenced – Land for sale that borders public land(unfenced.land)
294 points by otherwatersflow | 191 comments
Unfenced is a search site listing properties for sale that border public forest, game lands and wilderness, verified against official boundary maps.
Show HN: My Terminal Themes Web App
28 points by bado | 14 comments
Show HN post announcing terminalthemes.com, a web app with 800+ terminal color themes downloadable in about 40 formats, built from the iTerm2-Color-Schemes repo.
Show HN: I wrote an email app that accepts only one sender per inbox(clova.email)
97 points by edpin2000 | 75 comments
Landing page for Clova.Email, an email service offering infinite inboxes that lock to a single sender, temporary inboxes, and prefix-based auto-created aliases.
Show HN: I built a tool to track what AI leaders say and how their views change(blumify.io)
95 points by gcsydney | 59 comments
Blumify is a site that finds interviews, podcasts and speeches by public figures like AI CEOs, summarizes what they said, and links quotes to transcript moments.
Show HN: Wonderhop – A daily game: guess what most people say, or what none do(wonderhop.io)
86 points by mtlduo | 73 comments
Wonderhop is a daily browser guessing game where players name the most common, rarest, oldest, or newest answers to prompts, with a daily leaderboard.
Show HN: XY Music Notation(music.xy.dev)
74 points by jmole | 63 comments
XY Music is a web app that renders sheet music with base-12 pitch-class note heads, offering a library of scores with playback and PDF downloads.
Show HN: Stream live open data in two commands(docs.hypermass.io)
6 points by gardensalad | 1 comments
Documentation page for the Hypermass CLI, an Apache 2.0 tool for subscribing to and publishing live open data streams as files delivered to a local folder.
Show HN: Indigene – Native plants for where you stand(indigene.app)
94 points by olivierlacan | 16 comments
Indigene is a web app that recommends native plants supporting local wildlife based on your location, sun exposure, and soil, working offline without accounts.
Show HN: Brickbrag – A multiplayer brick-building world in the browser(brickbrag.com)
66 points by neuling | 39 comments
Landing page for Brickbrag, a free multiplayer browser game set in a shared brick-built town with racing, flying, and house building.
How HN: Go-dev-auth zero-dependency authentication library for Go(github.com)
10 points by BisratMelak | 5 comments
GitHub repository for go-dev-auth, a zero-dependency authentication library for the Go programming language.
Show HN: A simple to-do app for iPhone, Mac, and your agent(ilia.page)
11 points by shmilia | 7 comments
Blog post by Ilia Parunashvili introducing Nagare, a simple to-do app for iPhone and Mac that can also be used by AI agents.
Show HN: Yeah Nah – a BS score for Australian job ads(yeahnah.lol)
8 points by veilmux | 0 comments
Job Roast is a web tool where you paste a job ad and get a plain-English translation, the real requirements, and a BS score from 0 to 100.
Show HN: Carrier-Explode: iPhone, Pixel and Galaxy carrier settings decoded(carrierexplode.com)
396 points by simplyalec | 46 comments
Carrier-explode is a site that archives and decodes carrier settings (APNs, VoLTE, Wi-Fi Calling, 5G) from iPhone, Pixel and Galaxy firmware, with comparisons and an API.
Show HN: OldRoll, a free vintage photo editor for the browser(oldroll.io)
8 points by awa11 | 1 comments
Landing page for OldRoll Web, a free browser-based photo editor offering vintage effects like Digicam, Film, Y2K, 90s, VHS, and Dreamy filters.
Show HN: Quake ported to safe Rust, playable in browser(quake-srp.pages.dev)
196 points by ilreb | 160 comments
A browser-playable port of Quake rewritten in safe Rust, shown loading its engine with fullscreen, sound, and key controls.
Show HN: Artvinto – Vintage posters and fine art prints(artvinto.com)
5 points by bluefin | 0 comments
Homepage of Artvinto, an online store selling museum-quality prints of vintage posters, historical prints, and classic artworks.
Show HN: Wordminos – Crosswords Meet Dominos(wordminos.com)
8 points by dyarosla | 3 comments
Wordminos is a daily browser word game that combines crossword-style word building with domino-like tile placement.
Show HN: gtlds.fyi – All the proposed new gTLDs(gtlds.fyi)
35 points by irs | 39 comments
A browsable directory of applied-for new generic top-level domains (986 names), listing each proposed TLD with its applicant company and overlap counts.
Show HN: Pointless but mostly-exact clone of Hacker News(news.ycombinator.lol)
9 points by sillysaurusx | 2 comments
A near pixel-perfect clone of Hacker News written in Common Lisp, mirroring real HN stories and comments, with open source code (sharc).
Show HN: Agent.reviews – Where AI agents read and write reviews on tools(agent.reviews)
49 points by screm | 39 comments
Landing page for agent.reviews, a platform by Armature where AI coding agents read and post reviews of software tools via a CLI and skills.
Show HN: Bigwords.page – Turn any screen into a sign. The URL is the app(bigwords.page)
670 points by SpeakingOfBrad | 154 comments
Landing page for Bigwords.page, a web tool that makes full-screen signs, timers or messages encoded entirely in a shareable URL with no account or server storage.
Show HN: A walkable 3D art history museum built from Wikipedia(artmuseum.artfrompixels.com)
129 points by jasontr | 57 comments
An interactive art history museum built from Wikipedia data, showing artists and art movements on a zoomable timeline gallery wall and a star map view.
Show HN: Parseable, an open observability datalake, handles 100M time-series/min(parseable.com)
76 points by yashdotrv | 18 comments
Landing page for Parseable, an open-core columnar data lake for observability and telemetry data written in Rust and using Parquet.
Show HN: GrepJob – 67,000 SWE jobs scraped from a curated list of top companies(grepjob.com)
6 points by kylem866 | 1 comments
GrepJob is a job board aggregating 60,000+ software engineering jobs scraped hourly from company career pages, with filters for location, salary, level, and tech stack.
Show HN: Giving Opus 5.5 a simulated paint canvas(stillwet.art)
354 points by alstonite | 106 comments
Stillwet is a site showing paintings made by an AI model on a simulated paint canvas, with a live studio view of a landscape in progress after Friedrich.
Show HN: We built a real-time desktop companion for patient's telehealth visits(openhand.health)
6 points by nikilr | 2 comments
Landing page for Sidekick by OpenHand, a desktop app that joins telehealth visits in real time to explain medical terms, suggest questions, and summarize next steps.
Show HN: Open-source model routing for coding agents at Astra-level performance
99 points by adchurch | 32 comments
Show HN post announcing Weave Router 2.0, an open-source model router for coding agents that switches between LLMs to match GPT-6 Astra performance at lower cost.
Show HN: Lathoa, a math app for kids where the AI is wrong on purpose(lathoa.ai)
43 points by thanouil1411 | 20 comments
Landing page for Lathoa, a math app for kids aged 10-14 where an AI companion named Errol makes deliberate mistakes for children to find and explain.
Show HN: TurboGPT: train 22KiB transformer in 13s(github.com)
41 points by lostmsu | 5 comments
GitHub repository for TurboGPT, a CUDA-only project for training a tiny GPT transformer in under a minute, inspired by minGPT.
Show HN: Real-time Solar System with 526k asteroids and all tracked satellites(space.bl2.net)
362 points by wanick | 99 comments
Interactive real-time 3D visualization of Earth's tracked satellites, the planets and moons, and over 527,000 asteroids and comets, using CelesTrak catalog data.
Show HN: Destroy Any Website with Stickman(destroy.spritefusion.com)
136 points by HugoDz | 32 comments
A browser game that lets you control a stickman with weapons to destroy elements of any website; the page notes it is not available on mobile.
Show HN: Panda, the world's first personal AI computer(pandax1.com)
6 points by moezee1 | 19 comments
Product landing page for Panda, a personal AI computer for consumers that runs AI locally, with preorders available.
Show HN: Lofi Cities – Pixel-art city nights with browser-generated lofi(loficities.com)
298 points by safaelmali | 118 comments
Lofi Cities is a web app showing pixel-art city night scenes, such as rainy Paris, with lofi music generated live in the browser.
Show HN: TinyAIArena watch AI agents battle it out(tinyaiarena.com)
99 points by hp6 | 40 comments
Tiny AI Arena shows a leaderboard and match history of four LLMs fighting on an 8×8 grid, with replays viewable for each match.
Show HN: LightCloud – A cloud console organised like file system(light-cloud.com)
7 points by yullius | 2 comments
Landing page for Light Cloud, a hosting platform whose console organizes apps, APIs, databases, and env variables into folders like a file system.
Show HN: Trail – new kind of logic game(trail.franzai.com)
21 points by franze | 7 comments
Trail is a browser-based logic puzzle game; the landing screen shows a yellow level icon beside two locked level slots.
Show HN: Museum of Numbers(numbermuseum.com)
23 points by rhl314 | 9 comments
A Museum of Numbers exhibit page about 2,147,483,647, the maximum 32-bit signed integer, opening with the Gangnam Style YouTube view counter overflow story.
Show HN: A game about fake news and memes(unspin.app)
13 points by azermite | 10 comments
Unspin is a Wordle-style daily browser game where players judge whether memes and news images are real or fake to build media literacy.
Show HN: I discovered roads in the US across > 1000 themes(road-about-a-theme.pinedesk.biz)
8 points by 91awebsi | 5 comments
Interactive data visualization mapping US roads whose names match over 1,000 themes derived by cross-referencing Wikidata articles with OpenStreetMap roads.
Show HN: Hacker Atlas - A map of what Hacker News talks about(hackeratlas.com)
68 points by andrearitossa | 22 comments
HN Atlas, a site that groups Hacker News stories into browsable topics with post counts and trends over time since 2024.
Show HN: Air-gapped file encryption as self-decrypting HTML page(cms-sfx-demo.apeleg.com)
70 points by emurlin | 23 comments
Web demo of a browser-based file encryption utility that produces self-decrypting, air-gapped HTML files with embedded OpenPGP signatures.
Show HN: How long do I need to work at my salary before I can coast, or retire?(github.com)
35 points by karmanyaahm | 38 comments
GitHub directory for a FIRE simulator in the budget-tools repo that models years of work and salary needed before coasting or retiring.
Show HN: Jevgpt – reinventing the wheel with another wheel
8 points by kunggaochicken | 0 comments
Show HN post for Jevgpt, a hobby autoregressive chatbot built from small-vocabulary token classifiers with a speculative decoding pass, linking to its GitHub repo.
Show HN: Ive Sent It – online courier for files, with signed proof of delivery(ivesentit.com)
15 points by ivesentit | 12 comments
Landing page for Ive Sent It, an online file-sending service that tracks deliveries live and provides signed proof of delivery.
Show HN: RxFilm Studio–Create and edit your product videos with AI agent(filmstudio.rxlab.app)
16 points by zilue | 7 comments
Landing page for RxFilm Studio, a native macOS app that uses an AI agent to create and edit product marketing videos with voiceovers, music, and subtitles.
Show HN: An atlas of system designs with interactive architecture diagrams(atlas-sysdes.vercel.app)
29 points by mertkahyaoglu | 18 comments
A Show HN web app presenting an atlas of system designs with interactive architecture diagrams.
Show HN: I made a flight simulator, except you're just a passenger(inflightsimulator.com)
409 points by rkotcher | 199 comments
InFlightSimulator is a browser-based 3D simulator where you ride a commercial flight as a passenger, with terrain, weather, and real-time sun position.
Show HN: What if the speed of light was 5 km/h?(rivendell.dmitrybrant.com)
544 points by dmitrybrant | 236 comments
Interactive 3D browser simulation of a park where the speed of light is 5 km/h, showing length contraction, time dilation, Terrell rotation and Doppler effects.
Show HN: I was tired of opening 2 tabs for every HN link, so I made a userscript(github.com)
393 points by twalichiewicz | 105 comments
GitHub repository for HNewhere, a userscript that shows Hacker News discussions in a side panel alongside any linked article.
Show HN: Echo – Fable-level results at 1/3 the cost using open-weight models
435 points by adam_rida | 210 comments
Show HN post introducing Echo, a system that routes and combines multiple open-weight LLMs per request to match a stronger model's results at about one third the cost.
Show HN: Super Dario(superdario.pawb.de)
322 points by thepasch | 79 comments
Super Dario: One More Week, a retro pixel-art browser platformer game with keyboard controls, shown at its start screen.
Show HN: 18 Words(18words.com)
1055 points by pompomsheep | 339 comments
Landing page for 18 Words, a daily browser word game challenging players to survive 18 words, showing puzzle #25 and a Play now button.
Show HN: Zanagrams(zanagrams.com)
353 points by pompomsheep | 94 comments
Zanagrams is a daily browser word puzzle where players find hidden words by tracing connected letters on a 4x4 grid.
Show HN: I made Google Trends for Hacker News by indexing 18 years of comments(hackernewstrends.com)
651 points by ytkimirti | 144 comments
Hacker Trends, a tool that charts how often topics, tools, or people appear across 18 years of Hacker News posts and comments, with matching stories listed below.
Show HN: Are You in the Weights?(intheweights.com)
411 points by turtlesoup | 228 comments
A web tool where you enter your name to see whether multiple LLMs like GPT, Claude, Gemini, and Llama recognize you from their training data.
Show HN: FablePool – pool money behind a prompt, and Fable builds it in public(fablepool.com)
489 points by matthewbarras | 255 comments
FablePool is a site where people crowdfund an ambitious prompt and an AI agent builds it milestone by milestone, with credit spending tracked on a public ledger.
Show HN: Audiomass – a free, open-source multitrack audio editor for the web(audiomass.co)
511 points by pantelisk | 111 comments
AudioMass is a free, open-source, browser-based audio and waveform editor, shown here in multitrack mode with a welcome dialog.
Show HN: Red Squares – GitHub outages as contributions(red-squares.cian.lol)
687 points by cianmm | 149 comments
A web page visualizing GitHub service outages over the past year as a contribution-style calendar of red squares, totaling 35.1 days of downtime.
Show HN: boringBar – a taskbar-style dock replacement for macOS(boringbar.app)
491 points by a-ve | 280 comments
Product page for boringBar, a paid taskbar-style macOS Dock replacement showing per-Space windows, with a 14-day trial and $9.99/year pricing.
Show HN: I built a frontpage for personal blogs(text.blogosphere.app)
716 points by ramkarthikk | 185 comments
Blogosphere's minimal text frontpage, an HN-style aggregator listing recent posts from personal blogs across many categories.
Show HN: European alternatives to Google, Apple, Dropbox and 120 US apps(only-eu.eu)
321 points by madman_dev | 134 comments
OnlyEU is a curated directory of European software, products and services offered as alternatives to US apps like Google, Apple and Dropbox.
Show HN: Channel Surfer – Watch YouTube like it’s cable TV(channelsurfer.tv)
569 points by kilroy123 | 167 comments
Channel Surfer is a browser-based web app that presents your YouTube subscriptions as cable-TV-style channels, imported locally via a bookmarklet without accounts.
Show HN: CIA World Factbook Archive (1990–2025), searchable and exportable(cia-factbook-archive.fly.dev)
441 points by MilkMp | 87 comments
Show HN project: a searchable, exportable archive of CIA World Factbook data from 1990–2025; the page returned an HTTP 503 error when captured.
AI makes you boring(marginalia.nu)
548 points by speckx | 306 comments
A Marginalia weblog post arguing that vibe-coded, AI-aided Show HN projects tend to be boring because their authors have spent little time thinking about the problem.
Is Show HN dead? No, but it's drowning(arthurcnops.blog)
452 points by acnops | 376 comments
Blog post by Arthur Cnops analyzing Show HN data, arguing post volume has surged while engagement per post has dropped amid vibecoded projects.
Show HN: I spent 4 years building a UI design tool with only the features I use(vecti.com)
367 points by vecti | 167 comments
Landing page for Vecti, a collaborative UI/UX design tool built by a solo developer, offering grid snapping, shared asset libraries, and a free tier.
Show HN: If you lose your memory, how to regain access to your computer?(eljojo.github.io)
348 points by eljojo | 215 comments
ReMemory is a tool that encrypts files and splits the decryption key among trusted friends via Shamir's Secret Sharing, with an offline browser-based recovery bundle.
Show HN: Wikipedia as a doomscrollable social media feed(xikipedia.org)
379 points by rebane2001 | 126 comments
Xikipedia is a pseudo social media feed that shows Simple Wikipedia articles, using a local non-ML algorithm that learns what you engage with.
Show HN: DoNotNotify – Log and intelligently block notifications on Android(donotnotify.com)
320 points by awaaz | 151 comments
Landing page for DoNotNotify, a free on-device Android app that logs notifications and blocks or allows them using app and content rules including regex.
Show HN: Books mentioned on Hacker News in 2025(hackernews-readings-613604506318.us-west1.run.app)
550 points by seinvak | 193 comments
A web app listing books mentioned in Hacker News comments during 2025, ranked by mention count with the related comments shown alongside.
Show HN: WalletWallet – create Apple passes from anything(walletwallet.alen.ro)
411 points by alentodorov | 106 comments
WalletWallet is a free browser-based tool that creates signed Apple Wallet passes from manually entered membership or loyalty card barcode data.
Show HN: Gaming Couch – a local multiplayer party game platform for 8 players(gamingcouch.com)
382 points by ChaosOp | 106 comments
Landing page for Gaming Couch, a browser-based party game platform where up to 8 players use smartphones as controllers for real-time mini-games.
Show HN: Jmail – Google Suite for Epstein files(jmail.world)
1379 points by lukeigel | 325 comments
Jmail is a Gmail-style web interface for browsing Jeffrey Epstein's emails released by Congress, part of a parody Google-like app suite for the Epstein files.
Show HN: I built a dashboard to compare mortgage rates across 120 credit unions(finfam.app)
354 points by mhashemi | 119 comments
FinFam blog post and dashboard comparing daily-updated mortgage rates from over 120 US credit unions against the national FRED benchmark.
Show HN: Boing(boing.greg.technology)
688 points by gregsadetsky | 135 comments
An interactive web toy showing a red ball on a spring that you can pull and release to make it boing, with a counter of boings.
Show HN: Forty.News – Daily news, but on a 40-year delay(forty.news)
396 points by foxbarrington | 153 comments
Forty.News is a site that republishes daily news stories from exactly 40 years ago, generated from newspaper scans via an LLM pipeline.