Best Show HN projects from Oct, 2026

Browse the top 100 projects launched on Hacker News Show HN during Oct, 2026.


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 2025 best of 2024 best of 2024 yc s26 yc w26 yc s25 yc w25 yc s24 yc w24 yc s23 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: SimCity, but with Permits

941 points | 428 comments | Oct 20, 2026 | by pcai

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#2 Show HN: Bigwords.page – Turn any screen into a sign. The URL is the app

728 points | 166 comments | Oct 07, 2026 | by SpeakingOfBrad

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#3 Show HN: Steal My Bitcoin

627 points | 451 comments | Oct 24, 2026 | by cloudlandsdev

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#4 Show HN: Guitoro, a virtual guitar you strum with your keyboard

573 points | 161 comments | Oct 13, 2026 | by gloja

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#5 Show HN: Carrier-Explode: iPhone, Pixel and Galaxy carrier settings decoded

433 points | 55 comments | Oct 09, 2026 | by simplyalec

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#6 Show HN: Let your AI agents paint big arrows, boxes and text on your screen

421 points | 194 comments | Oct 09, 2026 | by franze

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#7 Show HN: TitleArt – Make text like it's 1997

411 points | 82 comments | Oct 26, 2026 | by davidbarker

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#8 Show HN: Giving Opus 5.5 a simulated paint canvas

392 points | 114 comments | Oct 02, 2026 | by alstonite

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#9 Show HN: Llmspeed – feel how fast a local LLM runs before you buy the hardware

331 points | 86 comments | Oct 17, 2026 | by albinstman

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#10 Show HN: A Truly Modular Keyboard

320 points | 116 comments | Oct 25, 2026 | by NotARoomba

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#11 Show HN: Unfenced – Land for sale that borders public land

319 points | 201 comments | Oct 15, 2026 | by otherwatersflow

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#12 Show HN: PS2 games statically recompiled to WebAssembly

316 points | 159 comments | Oct 12, 2026 | by deadxwarrior

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#13 Show HN: A working Nintendo in ~1GB of Qwen weights

298 points | 155 comments | Oct 30, 2026 | by dbreunig

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#14 Show HN: WallHop – 12ft.io is gone, so I built a replacement

289 points | 133 comments | Oct 11, 2026 | by TheWaffleHax

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#15 Show HN: Point your camera at a landscape to learn about its geology

263 points | 55 comments | Oct 29, 2026 | by headsupernova

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#16 Show HN: Gemini 4 Argon plays StarCraft

254 points | 111 comments | Oct 16, 2026 | by __cayenne__

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#17 Show HN: Sphinx – A hook that quizzes you on your AI's code before shipping

253 points | 89 comments | Oct 18, 2026 | by critiquebrowser

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#18 Show HN: To Honor Sir Patrick Stewart, Enjoy the TNG Episode Guessing Game

245 points | 81 comments | Oct 30, 2026 | by francisofascii

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#19 Show HN: Quake ported to safe Rust, playable in browser

241 points | 182 comments | Oct 09, 2026 | by ilreb

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#20 Show HN: OnKey – I'm a bad singer, so I built an app to show where I'm off-key

237 points | 108 comments | Oct 22, 2026 | by dsmurrell

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#21 Show HN: GlashΓΌtte Trash Clock – A 30-minute pendulum clock made from trash

236 points | 48 comments | Oct 02, 2026 | by r0r0

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#22 Show HN: The Zelda timeline to catch up before the Ocarina of Time remake

231 points | 130 comments | Oct 18, 2026 | by jsomau

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#23 Show HN: Petal, open-source CoScreen/ScreenHero finally free

228 points | 41 comments | Oct 14, 2026 | by thedracle

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#24 Show HN: Making a flexible "neon" t-shirt with LED filaments

222 points | 37 comments | Oct 08, 2026 | by scottbez1

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#25 Show HN: BetterWispr – Free, open-source dictation for Mac

220 points | 128 comments | Oct 11, 2026 | by kartik017

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Don't miss when the next Dropbox or Stripe launches



#26 Show HN: How random are you?

217 points | 120 comments | Oct 13, 2026 | by vunderba

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#27 Show HN: Esp32sim – Run ESP32 firmware in the browser

212 points | 50 comments | Oct 17, 2026 | by joakimeriksson

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#28 Show HN: Marelleo, an open-source story box I built for my kids using ESP32

195 points | 53 comments | Oct 27, 2026 | by foOg

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#29 Show HN: The rarest tech books and docs you've probably never read

191 points | 67 comments | Oct 09, 2026 | by miletus

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#30 Show HN: VoidAccess – open-source dark web OSINT, from query to a graph

188 points | 13 comments | Oct 20, 2026 | by coding-maniac

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#31 Show HN: AI search for every photo and every frame of video on macOS

184 points | 74 comments | Oct 04, 2026 | by allenleee

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#32 Show HN: High-quality duck audio synthesizer

180 points | 48 comments | Oct 17, 2026 | by celphase

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#33 Show HN: Hob - Open-source, on device alternative to Claude Cowork and ChatGPT

180 points | 44 comments | Oct 26, 2026 | by pancomplex

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#34 Show HN: I put employees inside S&P 500 market-cap bubbles

178 points | 49 comments | Oct 25, 2026 | by vfxGer

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#35 Show HN: Use your OpenAI subscription to create audiobooks

175 points | 91 comments | Oct 13, 2026 | by janpmz

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#36 Show HN: A walkable 3D art history museum built from Wikipedia

174 points | 68 comments | Oct 07, 2026 | by jasontr

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#37 Show HN: Made an open-source Lego AI generator

170 points | 51 comments | Oct 02, 2026 | by antelocnova

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#38 Show HN: Qwen3-4B with the AI writing tics trained out

158 points | 113 comments | Oct 19, 2026 | by erikkannike

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#39 Show HN: WhatsApp MCP running free on Cloudflare

157 points | 85 comments | Oct 18, 2026 | by zoozla

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#40 Show HN: Auto Dismiss Mac OS "Allow <app> to find devices on local networks?"

155 points | 133 comments | Oct 29, 2026 | by johncassil

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#41 Show HN: Audionaut – an open-source cross-platform multitrack audio editor

155 points | 47 comments | Oct 02, 2026 | by vltmrkls

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#42 Show HN: Encarta 95 Web

151 points | 65 comments | Oct 24, 2026 | by gitgud

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#43 Show HN: Flipflop – Iroh-powered persistent tunnels for filesharing

148 points | 73 comments | Oct 15, 2026 | by andunie

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#44 Show HN: SolidCraft – Open-Source Parametric CAD in Rust (With MCP Support)

146 points | 52 comments | Oct 13, 2026 | by bherbruck

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#45 Show HN: Corgi, a helpful {agent, terminal} multiplexer

142 points | 48 comments | Oct 23, 2026 | by eiopa

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#46 Show HN: I Turned DOOM into a Transformer

132 points | 36 comments | Oct 29, 2026 | by falperc

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#47 Show HN: Uberblok – an interactive museum of ZFS internals

126 points | 39 comments | Oct 21, 2026 | by storagebits

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#48 Show HN: Wonderhop – A daily game: guess what most people say, or what none do

124 points | 98 comments | Oct 13, 2026 | by mtlduo

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#49 Show HN: Pulse Local, a Mac budgeting app whose AI models run on your machine

122 points | 71 comments | Oct 13, 2026 | by niztk

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#50 Show HN: Proton Drive for Linux

122 points | 46 comments | Oct 08, 2026 | by khaosdoctor

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#51 Show HN: MailAccess – the true Email OSINT framework

122 points | 0 comments | Oct 06, 2026 | by coding-maniac

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#52 Show HN: Pi pod – Run your pi coding agent in sandboxes on your own server

121 points | 45 comments | Oct 02, 2026 | by edverma2

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#53 Show HN: Indigene – Native plants for where you stand

120 points | 52 comments | Oct 12, 2026 | by olivierlacan

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#54 Show HN: I built a tool to track what AI leaders say and how their views change

119 points | 76 comments | Oct 14, 2026 | by gcsydney

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#55 Show HN: Atticus – Hold-to-talk voice assistant for macOS that runs on Claude -p

117 points | 30 comments | Oct 12, 2026 | by SaarthRanka

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#56 Show HN: I wrote an email app that accepts only one sender per inbox

115 points | 102 comments | Oct 14, 2026 | by edpin2000

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#57 Show HN: Omnara – Open-source alternative to Claude Managed Agents

114 points | 35 comments | Oct 21, 2026 | by kmansm27

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#58 Show HN: Making a smart TV dumb and then smart

112 points | 81 comments | Oct 23, 2026 | by animalhot

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#59 Show HN: Death Plan Switch, a self-hosted dead man's switch for solo devs

111 points | 66 comments | Oct 20, 2026 | by romeo19361

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#60 Show HN: A language model that lives in a boot sector

109 points | 6 comments | Oct 31, 2026 | by kerlenton

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#61 Show HN: Proa – A Rust web framework with fast SSR and multi-target rendering

107 points | 36 comments | Oct 15, 2026 | by burnrate

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#62 Show HN: I rebuilt my old canvas 3D library as a small WebGL 2 library – phoria2

107 points | 30 comments | Oct 31, 2026 | by kevs3d

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#63 Show HN: Pyxel – A Python retro game engine with built-in art and sound editors

107 points | 11 comments | Oct 01, 2026 | by kitao

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#64 Show HN: Janus – Go binary that runs GGUF models via Vulkan on AMD/Intel/Nvidia

106 points | 17 comments | Oct 01, 2026 | by Maverick617

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#65 Show HN: Sumi.css – CSS Framework

105 points | 31 comments | Oct 21, 2026 | by bepero

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#66 Show HN: AstroHelm – Use your phone camera to aim a telescope or telephoto lens

100 points | 31 comments | Oct 04, 2026 | by HeavenFox

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#67 Show HN: Our space game has a built-in RISC-V emulator that runs Linux

98 points | 37 comments | Oct 02, 2026 | by nor-and-or-not

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#68 Show HN: Thoreau BASIC – What if BASIC hadn't gone out of fashion?

96 points | 59 comments | Oct 03, 2026 | by Gorsefound

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#69 Show HN: NES Contra (1987) port (ASM –> C and then C –> WebAssembly)

93 points | 82 comments | Oct 31, 2026 | by tevlon

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#70 Show HN: Happy Hangul Day! An RNN for Generating Korean Handwriting Strokes

92 points | 20 comments | Oct 09, 2026 | by jbaudanza

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#71 Show HN: Spotatui, a Spotify TUI/GUI without web API rate limits

92 points | 19 comments | Oct 13, 2026 | by LargeModGames

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#72 Show HN: A guided 3D Leonardo da Vinci museum, built in code

90 points | 41 comments | Oct 14, 2026 | by micstradev

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#73 Show HN: Parseable, an open observability datalake, handles 100M time-series/min

90 points | 25 comments | Oct 06, 2026 | by yashdotrv

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#74 Show HN: Nightwatch – a Mac menu-bar app that tells you when tonight is clear

89 points | 28 comments | Oct 04, 2026 | by delphidolphin

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#75 Show HN: XY Music Notation

87 points | 85 comments | Oct 13, 2026 | by jmole

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#76 Show HN: I turned my iPhone and a $20 smart plug into an f-stop timer

87 points | 39 comments | Oct 06, 2026 | by pentakkusu

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#77 Show HN: I built a multiplayer game where you're an aerial fighter cat

85 points | 43 comments | Oct 30, 2026 | by pawelwentpawel

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#78 Show HN: An experimental pattern-first DAW that supports MCP

84 points | 41 comments | Oct 12, 2026 | by androsynth89

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#79 Show HN: SlideBySide – Present slides without sharing your screen

84 points | 36 comments | Oct 28, 2026 | by denismenace

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#80 Show HN: A proof-of-concept formalization of the IRS federal tax forms

84 points | 13 comments | Oct 28, 2026 | by RGS1811

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#81 Show HN: Brickbrag – A multiplayer brick-building world in the browser

82 points | 40 comments | Oct 12, 2026 | by neuling

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#82 Show HN: Jevman – AI decision models play Pac-Man

82 points | 23 comments | Oct 08, 2026 | by felix089

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#83 Show HN: Impossible Machines: declaratively program the physical world

82 points | 22 comments | Oct 22, 2026 | by bhaprayan

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#84 Show HN: UI micro interactions prompts for AI

80 points | 46 comments | Oct 22, 2026 | by elwingo1

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#85 Show HN: Offrun – manage every coding agent from one workspace

78 points | 68 comments | Oct 03, 2026 | by arunbhatia

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#86 Show HN: Swurf – Swipe through the real web

78 points | 38 comments | Oct 23, 2026 | by webtjb096

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#87 Show HN: Parsimony – an open-source benchmark for how much code AI models add

77 points | 19 comments | Oct 13, 2026 | by lasu

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#88 Show HN: Parin – A 2D game engine between raylib and Godot, written in Dlang

76 points | 19 comments | Oct 16, 2026 | by Kapendev

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#89 Show HN: Diffle, a keyboard-centric diff viewer with LSP support

76 points | 12 comments | Oct 08, 2026 | by mwil1000

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#90 Show HN: 500 clocks in one 6.3 MB HTML file by Opus 5.5

75 points | 32 comments | Oct 18, 2026 | by tkgally

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#91 Show HN: Ito – Build Terminal UIs in Lua

74 points | 15 comments | Oct 14, 2026 | by cat-whisperer

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#92 Show HN: Agent.reviews – Where AI agents read and write reviews on tools

73 points | 52 comments | Oct 07, 2026 | by screm

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#93 Show HN: Jev Cards, Can you beat a vision model at a picture quiz?

72 points | 54 comments | Oct 20, 2026 | by totisjosema

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#94 Show HN: We had AI write a wiki from 45k Enron emails, every fact cited

71 points | 57 comments | Oct 23, 2026 | by jreynar

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#95 Show HN: K10s – A Clickable Kubernetes TUI (Go, Bubble Tea)

69 points | 56 comments | Oct 08, 2026 | by pierreneter

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#96 Show HN: KiviDB, a faster Redis-compatible memory database and vector cache

69 points | 49 comments | Oct 19, 2026 | by murtazayusuf

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#97 Show HN: Ghostman – A fast, keyboard-driven TUI API client and webhook inspector

68 points | 46 comments | Oct 30, 2026 | by 4yk5

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#98 Show HN: Hurston-1 open source TTS that speak Southern American and Afro-English

68 points | 28 comments | Oct 25, 2026 | by Gcarter08

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#99 Show HN: NanoMuse – An open-source AI agent for your phone and computer

68 points | 21 comments | Oct 07, 2026 | by ilreb

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#100 Show HN: ADRs for AI – Deliberation records for human–AI work, versioned in Git

66 points | 59 comments | Oct 25, 2026 | by lumbroso

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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 2025 best of 2024 yc s26 yc w26 yc s25 yc w25 yc s24 yc w24 yc s23 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

andrey azimov by Andrey Azimov