Best Show HN projects from Sep, 2026

Browse the top 100 projects launched on Hacker News Show HN during Sep, 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: An e-ink frame that hears birds and draws them as 1800s illustrations

2391 points | 267 comments | Sep 15, 2026 | by arnemunthekaas

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#2 Show HN: Make cursed fonts like Times New Bastard

862 points | 126 comments | Sep 23, 2026 | by MitPitt

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#3 Show HN: What if the speed of light was 5 km/h?

633 points | 290 comments | Sep 10, 2026 | by dmitrybrant

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#4 Show HN: I made a flight simulator, except you're just a passenger

446 points | 205 comments | Sep 14, 2026 | by rkotcher

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#5 Show HN: Whiteboard (YC W26) – An open-source IDE for thoughtful software design

424 points | 143 comments | Sep 24, 2026 | by sidharthkmenon

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#6 Show HN: Open-Source eInk Bike Computer

424 points | 134 comments | Sep 04, 2026 | by stingrae

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#7 Show HN: Reladraw – A diagram language where you decide where to place things

415 points | 119 comments | Sep 26, 2026 | by jpwalsh234

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#8 Show HN: Real-time Solar System with 526k asteroids and all tracked satellites

408 points | 111 comments | Sep 29, 2026 | by wanick

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#9 Show HN: Capsule – Single-file web apps that save their data into SQLite

380 points | 166 comments | Sep 15, 2026 | by bashtian

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#10 Show HN: Bodily Oddities

341 points | 216 comments | Sep 10, 2026 | by vesterde

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#11 Show HN: Lofi Cities – Pixel-art city nights with browser-generated lofi

320 points | 139 comments | Sep 27, 2026 | by safaelmali

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#12 Show HN: Jev Plays PokΓ©mon Red

282 points | 124 comments | Sep 25, 2026 | by pancomplex

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#13 Show HN: Mini-AGI – Dynamic continual learning model trained on 8GB VRAM

277 points | 80 comments | Sep 21, 2026 | by volotat

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#14 Show HN: Share your AI Setup, Learn from others

251 points | 140 comments | Sep 17, 2026 | by steveybrown

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#15 Show HN: Copperhead – Cursor for circuit boards

250 points | 115 comments | Sep 08, 2026 | by animeshchouhan

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#16 Show HN: Running 104GB Qwen3.8-Flash-Next on 48GB Mac with at ~12 tok/s

240 points | 118 comments | Sep 01, 2026 | by carloslfu

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#17 Show HN: Cactus Needle 3: 8-29MB automation models can match DeepSeek V4 Flash

236 points | 93 comments | Sep 18, 2026 | by HenryNdubuaku

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#18 Show HN: Koi.rest – watch some fish and regain your balance

228 points | 65 comments | Sep 24, 2026 | by hxii

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#19 Show HN: HN.watch – Videos of all Hacker News posts

226 points | 97 comments | Sep 28, 2026 | by mrborgen

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#20 Show HN: TERMy – A fast terminal assistant that does not use LLMs

225 points | 45 comments | Sep 04, 2026 | by gioscarab

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#21 Show HN: Hacking a $20 4G wireless hotspot into a texting device

210 points | 37 comments | Sep 15, 2026 | by bobili1234

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#22 Show HN: Hacker News, without AI

207 points | 85 comments | Sep 11, 2026 | by postalcoder

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#23 Show HN: Ledge.sh – Runnable Markdown Notes

205 points | 88 comments | Sep 29, 2026 | by dancablam

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#24 Show HN: Destroy Any Website with Stickman

199 points | 42 comments | Sep 28, 2026 | by HugoDz

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#25 Show HN: Hacker News, Without AI

198 points | 82 comments | Sep 11, 2026 | by otherayden

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#26 Show HN: Drop – A rootless Linux sandbox with gVisor support

193 points | 63 comments | Sep 22, 2026 | by mixedbit

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#27 Show HN: Redis City – Explore how Redis works in an interactive 3D model

186 points | 27 comments | Sep 12, 2026 | by poltora

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#28 Show HN: Weedout – Safari extension that hides YouTube AI-labeled videos

185 points | 84 comments | Sep 01, 2026 | by masteranza

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#29 Show HN: Stuxnet – A reconstructed source code of the infamous cyber-weapon

179 points | 51 comments | Sep 07, 2026 | by CMDDestory

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#30 Show HN: LLM Attention Visualization

177 points | 32 comments | Sep 08, 2026 | by ifz

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#31 Show HN: Radius – A Meetup.com Alternative

169 points | 87 comments | Sep 20, 2026 | by radius89

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#32 Show HN: NSL – WSL for Linux

167 points | 111 comments | Sep 29, 2026 | by bketelsen

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#33 Show HN: Neobrutalism.dev – Just added Base UI support and added new color theme

166 points | 77 comments | Sep 14, 2026 | by samke-

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#34 Show HN: JevBench, a reproducible benchmark for typed decision models

154 points | 39 comments | Sep 22, 2026 | by florianstandhar

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#35 Show HN: PaperMono, e-ink fridge magnet shopping list with mobile web page

152 points | 62 comments | Sep 28, 2026 | by seamus_c

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#36 Show HN: Free alternative to graphics design giants

147 points | 52 comments | Sep 28, 2026 | by sia_xi

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#37 Show HN: Compute polynomials twice as fast

139 points | 42 comments | Sep 09, 2026 | by thomasahle

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#38 Show HN: Dental Scope – Interactive 3D dental anatomy

133 points | 74 comments | Sep 29, 2026 | by Zeruxe

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#39 Show HN: Pelican-bicycle alternatives

133 points | 45 comments | Sep 14, 2026 | by tkgally

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#40 Show HN: JBR-001 – An open-source 3D printable desktop robot

133 points | 32 comments | Sep 29, 2026 | by gvuksic

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#41 Show HN: HN Match Maker – Matching "Who Wants to Be Hired?" With "Who's Hiring?"

125 points | 46 comments | Sep 01, 2026 | by all2

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#42 Show HN: Open-source model routing for coding agents at Astra-level performance

123 points | 42 comments | Sep 30, 2026 | by adchurch

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#43 Show HN: Kinesis – Control your Mac with the Meta Neural Band

122 points | 46 comments | Sep 14, 2026 | by callbacked

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#44 Show HN: TinyAIArena watch AI agents battle it out

120 points | 45 comments | Sep 27, 2026 | by hp6

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#45 Show HN: OwnTime – a chess clock for your day's priorities

118 points | 67 comments | Sep 01, 2026 | by fmos

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#46 Show HN: A working 3D model of an Enigma machine

118 points | 40 comments | Sep 29, 2026 | by primitivesuave

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#47 Show HN: Jigsaw Haiku

118 points | 34 comments | Sep 04, 2026 | by windowshopping

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#48 Show HN: Interactive Tree of Life

117 points | 28 comments | Sep 04, 2026 | by Lucent

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#49 Show HN: A competition for small neural networks that play strategy games

116 points | 41 comments | Sep 20, 2026 | by codetiger

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#50 Show HN: Hntui – A TUI for Hacker News

113 points | 66 comments | Sep 28, 2026 | by ahmd-sh

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#51 Show HN: Snapdrop: Instantly share files between devices. No setup, no signup

112 points | 53 comments | Sep 17, 2026 | by Capira

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#52 Show HN: GET Together – A social network where you don't need POST to Post

107 points | 59 comments | Sep 07, 2026 | by nchudleigh

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#53 Show HN: Make math automatic with Mathy

102 points | 37 comments | Sep 21, 2026 | by gmays

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#54 Show HN: Mador – Make any DOM reactive with a tiny 80-line Proxy state tuple

101 points | 35 comments | Sep 06, 2026 | by bosmarcel

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#55 Show HN: I built a new version of my fun spatial 3D online meeting app

98 points | 53 comments | Sep 17, 2026 | by pawelwentpawel

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#56 Show HN: Microsoft Office running with Wine on Linux with no virtualization

97 points | 91 comments | Sep 17, 2026 | by tombert

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#57 Show HN: Godot and Rust based multiplexer (terminal panes and more)

97 points | 50 comments | Sep 11, 2026 | by 1nv1n

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#58 Show HN: CUA-S1 – A System One Model for Computer Use

95 points | 10 comments | Sep 19, 2026 | by frabonacci

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#59 Show HN: Engrim – A universal, local-first SQLite memory engine for AI CLIs

93 points | 63 comments | Sep 07, 2026 | by timgordontg

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#60 Show HN: Nari Qwen3-TTS and Qwen3-ASR – High accuracy, low latency and cost

92 points | 31 comments | Sep 14, 2026 | by toebee

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#61 Show HN: Air-gapped file encryption as self-decrypting HTML page

90 points | 32 comments | Sep 24, 2026 | by emurlin

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#62 Show HN: Hacker Atlas - A map of what Hacker News talks about

88 points | 41 comments | Sep 25, 2026 | by andrearitossa

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#63 Show HN: Macros with a Behringer FCB1010 MIDI Pedalboard in macOS

87 points | 21 comments | Sep 14, 2026 | by fretlessjazz

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#64 Show HN: Art – draw one stroke, let symmetry complete it

86 points | 34 comments | Sep 05, 2026 | by cyb0rg0

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#65 Show HN: Fly By – retro biplane flying game

85 points | 67 comments | Sep 01, 2026 | by michaelteter

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#66 Show HN: How Stale Is Your AI? Release age and training cutoff for 20 models

85 points | 50 comments | Sep 16, 2026 | by joozio

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#67 Show HN: Using 2D DFT, dithering, etc. to maximize eInk manga image quality

83 points | 20 comments | Sep 28, 2026 | by seam_carver

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#68 Show HN: Toast, a by default in-terminal IDE

82 points | 89 comments | Sep 11, 2026 | by dividedcomet

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#69 Show HN: FrontierHarness Eval – 9 harness, same model, cost per pass varies 17x

82 points | 56 comments | Sep 02, 2026 | by shiqimei

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#70 Show HN: Sigabrt.dev – cronjob monitor with an SSH TUI

81 points | 35 comments | Sep 19, 2026 | by 4815162342

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#71 Show HN: Pac-Bench – How well can models one-shot a Pac-Man game?

80 points | 50 comments | Sep 28, 2026 | by thefourthchime

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#72 Show HN: Kadō – open-source habit tracker, with non-binary habit score, for iOS

79 points | 34 comments | Sep 06, 2026 | by scastiel

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#73 Show HN: Reactor Atlas

79 points | 26 comments | Sep 03, 2026 | by fedecaccia

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#74 Show HN: A Claude Code skill to analyze your chess games

76 points | 57 comments | Sep 26, 2026 | by brumar

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#75 Show HN: Check if your IP has appeared in a residential proxy network

76 points | 48 comments | Sep 15, 2026 | by microcode

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#76 Show HN: A CC0 museum of retro 3D tricks you can paste into a page

75 points | 15 comments | Sep 23, 2026 | by SouthWestAtlas

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#77 Show HN: Treepeat – Code similarity detection using Tree-sitter

75 points | 8 comments | Sep 22, 2026 | by 91awebsi

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#78 Show HN: Training a model to identify AI web content from structure alone

74 points | 28 comments | Sep 22, 2026 | by jochenmadler

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#79 Show HN: ResolveHQ – A Helpdesk Built on Cloudflare Workers, D1, R2 and Queues

72 points | 25 comments | Sep 11, 2026 | by mirza_rizvi

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#80 Show HN: ZSvirt – A lightweight, scalable open source virtualization platform

72 points | 14 comments | Sep 02, 2026 | by czhou25

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#81 Show HN: Building a Markdown editor for Mac, iOS and web

69 points | 53 comments | Sep 27, 2026 | by thiagoperes

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#82 Show HN: Lossless-memory – a personal AI memory that never summarizes

67 points | 34 comments | Sep 21, 2026 | by aru-labs

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#83 Show HN: Jevstiller – Distill Jev into a local model, with a disagreement bound

67 points | 16 comments | Sep 29, 2026 | by tgluck

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#84 Show HN: Npunlock – Run custom C kernels for Intel NPUs

67 points | 16 comments | Sep 22, 2026 | by hsfzxjy

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#85 Show HN: Is It Greg?

65 points | 18 comments | Sep 14, 2026 | by antoineleclair

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#86 Show HN: The cheapest GPU cloud – H100s at $2.04/HR, H200s at $3/HR

63 points | 20 comments | Sep 03, 2026 | by EmiCorleone

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#87 Show HN: Pizza Bot – An inbox for AI agents that work in the background

61 points | 37 comments | Sep 15, 2026 | by jd_

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#88 Show HN: Scry, programmable internet search w/ congestion pricing

61 points | 26 comments | Sep 17, 2026 | by Xyra

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#89 Show HN: MultiMatte, a Promptable Image Background Removal Model

57 points | 8 comments | Sep 10, 2026 | by snyy

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#90 Show HN: Doom or Bloom, map your AI worldview

56 points | 48 comments | Sep 25, 2026 | by transitivebs

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#91 Show HN: Ordewell – turn one goal into an ordered plan of coding-agent tasks

56 points | 35 comments | Sep 15, 2026 | by ac-ciano

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#92 Show HN: TurboGPT: train 22KiB transformer in 13s

56 points | 10 comments | Sep 29, 2026 | by lostmsu

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#93 Show HN: Raven – The harness of harnesses, built for RSI

55 points | 51 comments | Sep 29, 2026 | by cyfyifanchen

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#94 Show HN: Lathoa, a math app for kids where the AI is wrong on purpose

54 points | 51 comments | Sep 30, 2026 | by thanouil1411

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#95 Show HN: An open-source manufacturing ERP/MES/QMS

54 points | 29 comments | Sep 24, 2026 | by barbinbrad

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#96 Show HN: Panel – A research workspace where the agent can build its own panes

54 points | 22 comments | Sep 15, 2026 | by greentfrapp

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#97 Show HN: DOOM in the kernel, or fibers in eBPF

53 points | 14 comments | Sep 09, 2026 | by ayles

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#98 Show HN: How long do I need to work at my salary before I can coast, or retire?

51 points | 71 comments | Sep 24, 2026 | by karmanyaahm

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#99 Show HN: An atlas of system designs with interactive architecture diagrams

51 points | 23 comments | Sep 22, 2026 | by mertkahyaoglu

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#100 Show HN: AgentRun: DSL to turn agents into workflows

51 points | 12 comments | Sep 23, 2026 | by miguelrios

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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