Best of Show HN of 2021


best of all time best of today best of yesterday best of this week yc w20 best of this month best of last month best of this year best of 2020 best of 2019 3d algorithm android animation ai artificial intelligence api augmented reality big data bitcoin blockchain book bootstrap bot css c chart chess cli command line compiler chrome extension covid-19 crypto 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 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 young talents yc s20 yc w20 yc s19 yc w19 yc s18 yc w18 yc all-time
#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: Lofi.cafe

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

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

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

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

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

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

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

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#7 Show HN: I wrote a book about Go

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

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#8 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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#9 Show HN: Print a WiFi Login Card

768 points | 325 comments | Jul 11, 2021 | by bndw

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Sheet2Site – Create Websites Out of Google Sheets (sponsored)

145 points | 47 comments | Mar 21, 2018 | by andreyazimov

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#10 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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#11 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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#12 Show HN: PDFs from HTML

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

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#13 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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#14 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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#15 Show HN: I wrote a book about using data science to solve β€œeveryday” problems

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

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

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

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#17 Show HN: Video Game in a Font

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

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

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

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#19 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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#20 Show HN: NocoDB – Open-Source Airtable Alternative

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

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#21 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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#22 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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#23 Show HN: Second-Chance Pool

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

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

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

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

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

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Don't miss when the next Dropbox or Stripe launches



#26 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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#27 Show HN: I made a simulator for personal finance

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

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

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

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

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

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

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

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#31 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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#32 Show HN: Control your Bose headphones from your Mac's menubar

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

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

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

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#34 Show HN: Inflation-adjusted Hacker News

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

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#35 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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#36 Show HN: Open-source alternative to Retool, Internal.io, etc.

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

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#37 Show HN: My personal website is a shell

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

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

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

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

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

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

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

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#41 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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#42 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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#43 Show HN: Find Subreddits for Your Niche

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

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#44 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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#45 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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#46 Show HN: I made a community sourced fitness routine database

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

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

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

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

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

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#49 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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#50 Show HN: Influence, a Go-inspired 1-minute board game

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

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#51 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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#52 Show HN: Science and math-flavored programming problems for beginners

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

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#53 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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#54 Show HN: Flashcards to learn AWS skills

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

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#55 Show HN: Nyxt Browser 2.0.0

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

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

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

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#57 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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#58 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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#59 Show HN: I made a new kind of Bible app

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

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

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

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#61 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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#62 Show HN: I wrote a program to convert lines of text into trees

333 points | 53 comments | Mar 29, 2021 | by birchb

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#63 Show HN: I built a Guitar Hero robot [video]

328 points | 119 comments | Apr 17, 2021 | by nik12795

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#64 Show HN: A 64-step drum sequencer I built using React and Redux

327 points | 122 comments | May 11, 2021 | by drumnickydrum

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#65 Show HN: A Native Tiling Window Manager for Windows 10, Inspired by I3wm

327 points | 95 comments | Feb 28, 2021 | by mcyoloswagham

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#66 Show HN: DeepHN – Full-text search of 30M Hacker News posts and linked webpages

324 points | 112 comments | Apr 13, 2021 | by wolfgarbe

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#67 Show HN: I wrote a free Mac app to OCR any text on screen

321 points | 80 comments | May 22, 2021 | by schappim

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#68 Show HN: Jam, an Open Source Clubhouse (w/ WebRTC)

317 points | 66 comments | Feb 14, 2021 | by tosh

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#69 Show HN: Shepherd.com – Discover books in a new way, like wandering a bookstore

313 points | 152 comments | Apr 20, 2021 | by bwb

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#70 Show HN: Verilog2factorio

313 points | 70 comments | Apr 25, 2021 | by linux_is_nice

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#71 Show HN: A usable eBook reader inside a browser (azw3, mobi, ePub, pdf)

297 points | 69 comments | Jan 28, 2021 | by javapnews

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#72 Show HN: Simplenetes – I replaced Kubernetes with 17k lines of shell script

296 points | 148 comments | Apr 01, 2021 | by thomasbacklund

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#73 Show HN: I built a tool to generate triangulated art from images

296 points | 69 comments | Apr 22, 2021 | by rh12503

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#74 Show HN: I made a simulator for personal finance and financial independence

292 points | 162 comments | Jul 15, 2021 | by scubakid

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#75 Show HN: Low-power Kindle-based dashboard

284 points | 71 comments | Jan 28, 2021 | by PascalW

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#76 Show HN: I built an app to create repeatable checklists to help with ADHD

282 points | 198 comments | Jul 18, 2021 | by Swalden123

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#77 Show HN: Filmulator – a streamlined, open-source raw photo editor

282 points | 48 comments | Jan 23, 2021 | by CarVac

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#78 Show HN: Multiverse.plus – what if blogging was more collage-like and colorful?

281 points | 84 comments | Jun 23, 2021 | by kickscondor

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#79 Show HN: Unclack – a macOS app that mutes your microphone while you type

279 points | 183 comments | Jan 05, 2021 | by robotsquidward

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#80 Show HN: A Latin self study course, Khan Academy-style

278 points | 109 comments | Mar 28, 2021 | by jthnews

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#81 Show HN: A Twitter crawler for app ideas

272 points | 124 comments | Apr 08, 2021 | by mulhoon

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#82 Show HN: Amplication – Instantly Generate Node.js Apps with GraphQL and REST API

272 points | 102 comments | Jan 12, 2021 | by yuvalhazaz

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#83 Show HN: I made an alarm clock

271 points | 192 comments | Jan 25, 2021 | by StavrosK

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#84 Show HN: We wrote a book about building business applications in Go

269 points | 168 comments | May 13, 2021 | by roblaszczak

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#85 Show HN: I built the antithesis of Zoom. Add GIFs, stickers, BGs. Talk like IRL

266 points | 229 comments | Jan 06, 2021 | by remotelyyours

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#86 Show HN: Sioyek – PDF viewer for reading research papers and technical documents

265 points | 63 comments | Jul 20, 2021 | by hexomancer

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#87 Show HN: Search inside YouTube videos using natural language queries

264 points | 43 comments | Feb 12, 2021 | by vladoh

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#88 Show HN: I Built Multiplayer Deathmatch Joust

257 points | 103 comments | May 27, 2021 | by jasonkester

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#89 Show HN: Grit – a multitree-based personal task manager

255 points | 45 comments | Apr 02, 2021 | by climech

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#90 Show HN: Apply for a job through SSH, $ ssh jobs.hackclub.com

251 points | 109 comments | May 17, 2021 | by zachlatta

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#91 Show HN: Ht – HTTPie Clone in Rust

251 points | 96 comments | Feb 05, 2021 | by ducaale

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#92 Show HN: Collection of deep learning implementations with side-by-side notes

251 points | 17 comments | Jan 30, 2021 | by vpj

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#93 Show HN: Rysolv – Fix open source issues, get paid

250 points | 101 comments | Jan 23, 2021 | by themanmaran

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#94 Show HN: LANDrop – A cross-platform AirDrop-like file transfer tool

250 points | 98 comments | Jun 12, 2021 | by yvbbrjdr

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#95 Show HN: I built a zero-cost, ad-free alternative to LinkedIn

249 points | 184 comments | Mar 16, 2021 | by 4sellff

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#96 Show HN: Split Keyboards Gallery

249 points | 155 comments | Feb 18, 2021 | by Symbiote

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#97 Show HN: I discovered a trading algorithm that returns ~24.85% annually

249 points | 128 comments | Jun 06, 2021 | by Kibae

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#98 Show HN: 3dasd – open-source DIY room-scale 3D scanner

248 points | 63 comments | Jun 24, 2021 | by dvoros

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#99 Show HN: Using flamegraphs to read big HN threads

248 points | 59 comments | Jan 10, 2021 | by trungdq88

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#100 Show HN: Find Your Hacker News DoppelgΓ€nger

246 points | 215 comments | Jun 20, 2021 | by gk1

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