Best of Show HN of 2021


best of all time best of today best of yesterday best of this week best of this month best of last month best of this year best of 2022 best of 2021 best of 2021 yc w23 yc s22 yc w22 yc s21 yc w21 yc s20 yc w20 yc s19 yc w19 yc s18 yc w18 yc all-time 3d algorithms animation android [ai] artificial-intelligence api augmented-reality big data bitcoin blockchain book bootstrap bot css c chart chess chrome extension cli command line compiler crypto covid-19 cryptography data deep learning elexir ether excel framework game git go html ios iphone java js javascript jobs kubernetes learn linux lisp mac machine-learning most successful neural net nft node optimisation parser performance privacy python raspberry pi react retro review my ruby rust saas scraper security sql tensor flow terminal travel virtual reality visualisation vue windows web3 young talents
#1 Show HN: Redbean – Single-file distributable web server

1998 points | 249 comments | Feb 26, 2021 | by jart

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#2 Show HN: Can’t afford Bloomberg Terminal? No prob, I built the next best thing

1422 points | 289 comments | Feb 25, 2021 | by sexy_year

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#3 Show HN: 40k HN comments mentioning books, extracted using deep learning

1359 points | 272 comments | Sep 20, 2021 | by tracyhenry

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#4 Show HN: Imba – I have spent 7 years creating a programming language for the web

1216 points | 345 comments | Aug 17, 2021 | by somebee

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#5 Show HN: Lofi.cafe

1192 points | 230 comments | Apr 14, 2021 | by linuz90

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#6 Show HN: We built an end-to-end encrypted alternative to Google Photos

1180 points | 405 comments | Aug 29, 2021 | by vishnumohandas

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#7 Show HN: I wrote my own RTS game engine in C

1102 points | 262 comments | May 12, 2021 | by epermyakov

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#8 Show HN: My wife is pregnant; naturally I made a baby-name app to prepare

1077 points | 372 comments | Nov 05, 2021 | by hamaluik

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#9 Show HN: Web browser to help programmers think clearly

1070 points | 226 comments | Sep 07, 2021 | by hyferg

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Blockchain, Solidity, Smart Contracts and Crypto Jobs

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#10 Show HN: I'm 48 and finally learning how to be a game developer

985 points | 252 comments | Nov 09, 2021 | by bananabat

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#11 Show HN: I made a modern web UI for Wikipedia

979 points | 409 comments | Dec 06, 2021 | by sjdz

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#12 Show HN: Beeper – All Your Chats in One App

962 points | 486 comments | Jan 20, 2021 | by erohead

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#13 Show HN: I made an alternative platform for professional profiles

938 points | 357 comments | Jan 04, 2021 | by _andychung

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#14 Show HN: I wrote a book about Go

919 points | 157 comments | Mar 24, 2021 | by maximilienandi

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#15 Show HN: Long Range E-Bike

876 points | 615 comments | Nov 12, 2021 | by jacquesm

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#16 Show HN: iPod.js – An online iPod that connects to Spotify and Apple Music

866 points | 157 comments | Jun 23, 2021 | by tonyhawkins

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#17 Show HN: Static.wiki – read-only Wikipedia using a 43GB SQLite file

796 points | 189 comments | Jul 30, 2021 | by segfall

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#18 Show HN: Print a WiFi Login Card

769 points | 326 comments | Jul 11, 2021 | by bndw

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#19 Show HN: Obsidian for Mobile – Plain-text knowledge base on the go

760 points | 318 comments | Jul 12, 2021 | by ericax

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#20 Show HN: I shot high-res stitched panoramas in Iceland using a thermal camera

753 points | 95 comments | Jan 02, 2021 | by dheera

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#21 Show HN: PDFs from HTML

742 points | 265 comments | Apr 04, 2021 | by abhinav22

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#22 Show HN: Emoji to Scale

713 points | 124 comments | Dec 03, 2021 | by javierbyte

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#23 Show HN: I made a Chrome extension that can automate any website

707 points | 209 comments | Nov 17, 2021 | by dkthehuman

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#24 Show HN: Pony – a messenger for mindful correspondence

693 points | 238 comments | Nov 19, 2021 | by dmitryminkovsky

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#25 Show HN: A portfolio website simulating macOS's GUI using React

683 points | 191 comments | May 08, 2021 | by oh-renovamen

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Don't miss when the next Dropbox or Stripe launches



#26 Show HN: Time travel debugger for web development

681 points | 216 comments | Sep 15, 2021 | by jasonlaster11

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#27 Show HN: I built a fake VS Code to browse live cricket score in office

674 points | 209 comments | Oct 25, 2021 | by the2ndfloorguy

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#28 Show HN: I built an online interactive course that helps you learn Vim faster

667 points | 280 comments | Jan 20, 2021 | by CoffeePython

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#29 Show HN: I wrote a book about using data science to solve “everyday” problems

632 points | 96 comments | Feb 24, 2021 | by andrewnc

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#30 Show HN: Svelte NodeGUI, a lightweight Electron alternative with native UI

624 points | 272 comments | Mar 05, 2021 | by LinguaBrowse

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#31 Show HN: Neural-hash-collider – Find target hash collisions for NeuralHash

623 points | 351 comments | Aug 19, 2021 | by anishathalye

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#32 Show HN: Video Game in a Font

605 points | 76 comments | Mar 17, 2021 | by ghub-mmulet

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#33 Show HN: Hacker News client with a twist

603 points | 243 comments | Sep 30, 2021 | by pabue

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#34 Show HN: Mmm.page – Drag and drop personal website creator

591 points | 150 comments | May 12, 2021 | by xhfloz

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#35 Show HN: Clerk – all of user management as-a-service, not just authentication

582 points | 223 comments | Feb 08, 2021 | by colinclerk

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#36 Show HN: NocoDB – Open-Source Airtable Alternative

562 points | 157 comments | May 27, 2021 | by rnavi

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#37 Show HN: Sorted CSS Colors – Sort the named CSS colors in a nice way

559 points | 159 comments | Mar 18, 2021 | by knuptfad

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#38 Show HN: Haven – Run a private website to share with only the people you choose

547 points | 227 comments | Feb 03, 2021 | by mawise

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#39 Show HN: Second-Chance Pool

543 points | 91 comments | Apr 30, 2021 | by dang

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#40 Show HN: Iconduck – 100k open source icons, downloadable and searchable

528 points | 74 comments | Jan 22, 2021 | by onassar

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#41 Show HN: Lisp with GC in 436 Bytes

513 points | 131 comments | Dec 20, 2021 | by jart

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#42 Show HN: RSS feeds for arbitrary websites using CSS selectors

509 points | 127 comments | Jul 05, 2021 | by Vinnl

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#43 Show HN: ChessCoach – A neural chess engine that comments on each player's moves

506 points | 89 comments | Oct 05, 2021 | by cbutner

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#44 Show HN: With a 9-5 job and 2 kids I have finally finished my first MVP

501 points | 194 comments | Aug 26, 2021 | by mrhichem

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#45 Show HN: I open sourced a game I just released on Steam, written in Lua

496 points | 97 comments | May 23, 2021 | by adnzzzzZ

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#46 Show HN: Age 1.0 – Simple, modern and secure file encryption

494 points | 88 comments | Sep 06, 2021 | by FiloSottile

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#47 Show HN: I made a simulator for personal finance

479 points | 255 comments | Apr 28, 2021 | by scubakid

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#48 Show HN: Khan-dl – Khan Academy Course Downloader

473 points | 173 comments | Feb 14, 2021 | by rand_net

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#49 Show HN: ustaxes.org – open-source tax filing webapp

465 points | 219 comments | Feb 15, 2021 | by aidangrimshaw

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#50 Show HN: I built a CNC-machine from scratch, using 40x 3D-printed parts

462 points | 139 comments | Nov 03, 2021 | by mfi

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#51 Show HN: Lightspeed – subsecond, open source, self hosted stream from OBS

452 points | 138 comments | Jan 04, 2021 | by GRVYDEV

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#52 Show HN: Fully-searchable Library Genesis on IPFS

452 points | 100 comments | Sep 19, 2021 | by sixtyfourbits

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#53 Show HN: Call a Dev – Pay Stack Overflow users $1/min for live programming help

451 points | 248 comments | Feb 22, 2021 | by mcadenhe

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#54 Show HN: Control your Bose headphones from your Mac's menubar

450 points | 239 comments | May 04, 2021 | by dannyaziz97

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#55 Show HN: Compare prices that US hospitals charge patients, insurance companies

447 points | 374 comments | Jan 18, 2021 | by ageitgey

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#56 Show HN: Coding Font – A game to find your favorite coding font

443 points | 218 comments | Oct 27, 2021 | by wentin

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#57 Show HN: Weather API for non-commercial use

443 points | 147 comments | Sep 12, 2021 | by meteo-jeff

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#58 Show HN: I'm building a non-profit search engine

441 points | 199 comments | Dec 26, 2021 | by daoudc

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#59 Show HN: Inflation-adjusted Hacker News

437 points | 120 comments | May 22, 2021 | by Aaronmacaron

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#60 Show HN: I'm working on a open-source, self-hosted alternative to Disqus

436 points | 167 comments | Apr 20, 2021 | by djyde

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#61 Show HN: Decentralized, Mutable, Serverless Torrent Swarm Websites

433 points | 186 comments | Dec 10, 2021 | by publiush

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#62 Show HN: Open-source alternative to Retool, Internal.io, etc.

429 points | 68 comments | Jun 07, 2021 | by navaneethpk

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#63 Show HN: My personal website is a shell

425 points | 171 comments | Apr 05, 2021 | by aavshr

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#64 Show HN: I made a meme creator that makes around $4k a month

418 points | 217 comments | Aug 27, 2021 | by par

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#65 Show HN: QEMU front end for M1 and Intel Macs

418 points | 122 comments | Feb 25, 2021 | by osy

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#66 Show HN: CookLang – Recipe Markup Language

415 points | 146 comments | Oct 26, 2021 | by dubadub

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#67 Show HN: Hummingbard – decentralized communities built on Matrix

412 points | 83 comments | Feb 26, 2021 | by SubGenius

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#68 Show HN: I wrote a book about UI [pdf]

411 points | 151 comments | May 19, 2021 | by Akcium

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#69 Show HN: I made a sandbox game to help with financial planning

409 points | 140 comments | Apr 22, 2021 | by pattle

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#70 Show HN: Virtual breadboard in the browser, inspired by Ben Eater's 6502

409 points | 73 comments | Jan 19, 2021 | by Tejotron

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#71 Show HN: I built four eight-foot-long handwriting robots

408 points | 164 comments | Sep 19, 2021 | by aarondf

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#72 Show HN: Find Subreddits for Your Niche

406 points | 181 comments | May 26, 2021 | by thisissidhant

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#73 Show HN: Tool that turns your images into plotter-like line drawings

405 points | 73 comments | May 20, 2021 | by javierbyte

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#74 Show HN: I built a no-BS recipe search engine

403 points | 207 comments | Nov 09, 2021 | by milomildus

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#75 Show HN: Side Quest – An aggregator for not full-time tech jobs

401 points | 105 comments | Jul 06, 2021 | by ryry

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#76 Show HN: I built an AI art installation at home generating new pieces on the fly

399 points | 152 comments | Aug 18, 2021 | by mfi

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#77 Show HN: I made a community sourced fitness routine database

396 points | 188 comments | Jun 14, 2021 | by sitesuniverse

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#78 Show HN: Mail Studio – IDE for designing responsive emails

395 points | 209 comments | Apr 01, 2021 | by martinaglv

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#79 Show HN: Windows 2000 on Docker

395 points | 189 comments | Nov 14, 2021 | by hectorm

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#80 Show HN: Tidy Viewer – a cross-platform CSV pretty printer for viewer enjoyment

392 points | 136 comments | Sep 27, 2021 | by flusteredBias

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#81 Show HN: Ray.so – Create images of your code

384 points | 123 comments | Feb 17, 2021 | by thomaspaulmann

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#82 Show HN: Side project passed $2.5k/mo revenue after 2 years (Phoenix and Vue)

381 points | 88 comments | Apr 18, 2021 | by enraged_camel

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#83 Show HN: Influence, a Go-inspired 1-minute board game

379 points | 112 comments | Jun 15, 2021 | by jawslouis

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#84 Show HN: I built a VS Code Theme Creator – easily make VS Code themes in browser

375 points | 104 comments | Mar 25, 2021 | by miketromba

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#85 Show HN: Medusa – Open-source alternative to Shopify

373 points | 80 comments | Sep 10, 2021 | by owjuhl

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#86 Show HN: Science and math-flavored programming problems for beginners

369 points | 73 comments | Apr 17, 2021 | by PolarizedPoutin

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#87 Show HN: Endgame – An AWS Pentesting tool to backdoor or expose AWS resources

368 points | 94 comments | Feb 16, 2021 | by kmcquade

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#88 Show HN: Flashcards to learn AWS skills

365 points | 118 comments | May 24, 2021 | by baobabKoodaa

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#89 Show HN: You.com, private search engine that summarizes the web – built for devs

361 points | 439 comments | Nov 09, 2021 | by richardsocher

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#90 Show HN: Nyxt Browser 2.0.0

359 points | 121 comments | May 20, 2021 | by jmercouris

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#91 Show HN: I wrote the book Building Mobile Apps at Scale

357 points | 50 comments | May 05, 2021 | by gregdoesit

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#92 Show HN: I made a tool to convert images of tables to CSV

354 points | 60 comments | Mar 09, 2021 | by aperrin

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#93 Show HN: I wrote an entire book to build a mouseless dev environment

353 points | 217 comments | Feb 10, 2021 | by thanato0s

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#94 Show HN: I made a new kind of Bible app

347 points | 253 comments | Jun 22, 2021 | by theoblank

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#95 Show HN: A world map of 24x365 average temperature “fingerprints”

347 points | 80 comments | Oct 12, 2021 | by jacobn

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#96 Show HN: An open-source, self-hostable Heroku and Netlify alternative

345 points | 116 comments | Mar 29, 2021 | by andrasbacsai

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#97 Show HN: Identify car crash editorial anti-patterns using NLP

344 points | 205 comments | Oct 12, 2021 | by chiefofgxbxl

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#98 Show HN: I built a 4kb alternative to React, Vue, etc for building web UIs.

343 points | 162 comments | Jan 07, 2021 | by defx

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#99 Show HN: Mum's 80th birthday present- a rotary phone from the 1970's

343 points | 144 comments | Dec 20, 2021 | by andrewstuart

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#100 Show HN: 59a34eabe31910abfb06f308 – NeuralHash Collision Demo

338 points | 235 comments | Aug 25, 2021 | by mono-bob

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