Show HN Shelf — October 23, 2026

30 Show HN launches from the last 30 days, ranked by points — 13 AI and LLM, 8 developer tooling, 9 everything else. Each links the project itself, with the HN thread in the text.

🤖 AI & LLM Launches

Llmspeed – feel how fast a local LLM runs before you buy the hardware

Llmspeed – feel how fast a local LLM runs before you buy the hardware 331 points · 86 comments · HN thread https://news.ycombinator.com/item?id=50127979 · posted 2026-10-17. Pricing: see the post.

Gemini 4 Argon plays StarCraft

I've refreshed StarSkirmish Bench, a benchmark where LLMs play StarCraft BW by writing code, with results from the flagship models of OpenAI, Anthropic, Google, and Muse 254 points · 111 comments · HN thread https://news.ycombinator.com/item?id=50118688 · posted 2026-10-16. Pricing: see the post.

Sphinx – A hook that quizzes you on your AI's code before shipping

FOSS, Basically it plugs into your existing coding agent workflow and every time you push to prod it'll throw up a questionnaire that checks if you understand how the code you're pushing works. 253 points · 89 comments · HN thread https://news.ycombinator.com/item?id=50137950 · posted 2026-10-18. Pricing: see the post.

VoidAccess – open-source dark web OSINT, from query to a graph

Hi HN! Im Katriel, and im a Security Researcher/Enthusiast and in the wave of AI, i wanted to build that next gen of security tooling that surpasses the current tools, and even the paid industries with an open source engine. I built MailAccess as well, which is going to be the… 188 points · 13 comments · HN thread https://news.ycombinator.com/item?id=50167286 · posted 2026-10-20. Pricing: open source engine.

AI search for every photo and every frame of video on macOS

AI search for every photo and every frame of video on macOS 184 points · 74 comments · HN thread https://news.ycombinator.com/item?id=49952111 · posted 2026-10-04. Pricing: see the post.

Use your OpenAI subscription to create audiobooks

Use your OpenAI subscription to create audiobooks 174 points · 91 comments · HN thread https://news.ycombinator.com/item?id=50069337 · posted 2026-10-13. Pricing: see the post.

Made an open-source Lego AI generator

Hi there :-) New on HN, first time posting. Past year, around December, I started experimenting with making ChatGPT and Claude generate source code in LDraw language. This LDraw is literally an "assembly" language, a low-level programming language that describes how to assemble… 170 points · 52 comments · HN thread https://news.ycombinator.com/item?id=49937916 · posted 2026-10-02. Pricing: see the post.

Qwen3-4B with the AI writing tics trained out

Qwen3-4B with the AI writing tics trained out 158 points · 113 comments · HN thread https://news.ycombinator.com/item?id=50151928 · posted 2026-10-19. Pricing: see the post.

WhatsApp MCP running free on Cloudflare

I wanted my humble Claude on mobile to access my WhatsApp messages but the only options I could find either required WhatsApp Business or an actual server to run Baileys on. I wanted to run it for free on ClaudeFlare and with my personal WhatsApp account, so I built this.… 157 points · 85 comments · HN thread https://news.ycombinator.com/item?id=50145715 · posted 2026-10-18. Pricing: free on ClaudeFlare and with my personal WhatsApp account, so I built this.

PaperMono, e-ink fridge magnet shopping list with mobile web page

Fridge magnet shopping list on an M5Stack PaperMono (ESP32-S3, e-ink touchscreen), synced with a phone web app over Wi-Fi. Works offline, ~2,400 lines of C++. This is a great wee device! BLE, Wi-Fi and LoRa on one board makes it flexible for way more than a shopping list, this… 152 points · 62 comments · HN thread https://news.ycombinator.com/item?id=49875801 · posted 2026-09-28. Pricing: see the post.

Open-source model routing for coding agents at Astra-level performance

A few months ago we started building a model router for coding agents because we thought we could outperform any single model with an ensemble approach. Recently we’ve achieved that milestone and I want to talk about how we did it. First of all, a quick explanation: the Weave… 123 points · 42 comments · HN thread https://news.ycombinator.com/item?id=49911500 · posted 2026-09-30. Pricing: open source (https://github.

Pulse Local, a Mac budgeting app whose AI models run on your machine

Hi HN, I'm Niz. Pulse Local is a budgeting app for Mac (Apple Silicon, beta) that answers questions about your spending with models that run on your machine. Local mode needs no account. The ledger and your questions stay on the machine, and the app sends no analytics or crash… 122 points · 71 comments · HN thread https://news.ycombinator.com/item?id=50080275 · posted 2026-10-13. Pricing: free with options to help me continue experimenting with fine-tuning and expanding a.

Pi pod – Run your pi coding agent in sandboxes on your own server

pi pod runs sessions of the pi coding agent in isolated sandboxes ("pods") on a server you run, in composable environments. ---- Since moving my company towards AI-native work, I have been really frustrated by the state of "agentic engineering" environments. Products by the… 121 points · 46 comments · HN thread https://news.ycombinator.com/item?id=49937304 · posted 2026-10-02. Pricing: see the post.

🛠️ Developer Tool Launches

Esp32sim – Run ESP32 firmware in the browser

Hi HN, I’ve been working on esp32sim, an open-source ESP32 emulator that runs in the browser. The fun part of the demo is that there is no ESP32 involved — the firmware is executing in the emulator. The goal is to make ESP32 software easier to experiment with, test and simulate… 211 points · 48 comments · HN thread https://news.ycombinator.com/item?id=50131189 · posted 2026-10-17. Pricing: open-source ESP32 emulator that runs in the browser.

NSL – WSL for Linux

One of the things that Windows really got right is WSL2. I drive an atomic Linux distro for daily use, but wanted a way to develop with multiple different distros with that same WSL UX. NSL is my answer. It is a faithful reproduction of the developer experience, powered by a… 167 points · 111 comments · HN thread https://news.ycombinator.com/item?id=49894351 · posted 2026-09-29. Pricing: free from all the changing and breaking dev dependencies that force a reinstall ever.

Audionaut – an open-source cross-platform multitrack audio editor

Audionaut – an open-source cross-platform multitrack audio editor 155 points · 47 comments · HN thread https://news.ycombinator.com/item?id=49931031 · posted 2026-10-02. Pricing: see the post.

Flipflop – Iroh-powered persistent tunnels for filesharing

This is a project that spun from my frustrations of using LocalSend and DashBeam to transfer stuff between devices, and with the extra goal of being fast, trying out the Slint framework and, most importantly, establishing a communication channel with trusted external people… 148 points · 73 comments · HN thread https://news.ycombinator.com/item?id=50099136 · posted 2026-10-15. Pricing: see the post.

SolidCraft – Open-Source Parametric CAD in Rust (With MCP Support)

SolidCraft – Open-Source Parametric CAD in Rust (With MCP Support) 146 points · 52 comments · HN thread https://news.ycombinator.com/item?id=50064840 · posted 2026-10-13. Pricing: see the post.

JBR-001 – An open-source 3D printable desktop robot

We built a desktop companion robot that is powered by Arduino UNO Q. Project is open source: source code, 3D printable files and assembly instructions are available at Arduino Project Hub. Robot is equipped with camera, distance sensor, buzzer, moves head and arms with 3 servo… 133 points · 32 comments · HN thread https://news.ycombinator.com/item?id=49890707 · posted 2026-09-29. Pricing: open source: source code, 3D printable files and assembly instructions.

Proton Drive for Linux

Hello everyone, I wanted to share this small project that I have. It's born out of a necessity that I had, because Proton doesn't ship a Linux version of the drive yet (it's apparently coming out later this year but who knows?) and all the current solutions are hacky and wonky… 122 points · 46 comments · HN thread https://news.ycombinator.com/item?id=50003545 · posted 2026-10-08. Pricing: see the post.

MailAccess – the true Email OSINT framework

Im a security engineer and i built mailaccess. When i started learning pentesting, i came across multiple lectures and notes of people listing out tools and websites, which gives the emails for a particular domain, and almost all of them mentioned that the tool might not stick,… 122 points · 0 comments · HN thread https://news.ycombinator.com/item?id=49977385 · posted 2026-10-06. Pricing: see the post.

🎈 Other Launches

SimCity, but with Permits

SimCity, but with Permits 935 points · 421 comments · HN thread https://news.ycombinator.com/item?id=50170593 · posted 2026-10-20. Pricing: see the post.

The Zelda timeline to catch up before the Ocarina of Time remake

I made this ahead of the Ocarina of Time remake which comes out in 17 days. I remember the feeling of playing it as a kid but I hadn’t kept up with the story so I built a timeline to catch up before the Door of Time reopens. Nintendo’s own timeline is the authority here (Hyrule… 227 points · 129 comments · HN thread https://news.ycombinator.com/item?id=50140769 · posted 2026-10-18. Pricing: see the post.

The rarest tech books and docs you've probably never read

The rarest tech books and docs you've probably never read 191 points · 67 comments · HN thread https://news.ycombinator.com/item?id=50024055 · posted 2026-10-09. Pricing: see the post.

High-quality duck audio synthesizer

High-quality duck audio synthesizer 180 points · 48 comments · HN thread https://news.ycombinator.com/item?id=50131006 · posted 2026-10-17. Pricing: see the post.

A walkable 3D art history museum built from Wikipedia

From Li Cheng to Banksy 174 points · 68 comments · HN thread https://news.ycombinator.com/item?id=49992057 · posted 2026-10-07. Pricing: see the post.

OnKey – I'm a bad singer, so I built an app to show where I'm off-key

Hi all I was pretty terrible at singing, now I’d say I’m bad but not terrible. This is because I’ve been using a singing app (won’t name it here) that scores me on my pitch and timing throughout the song so that I can improve. Lately however, the app I’ve been using has flooded… 173 points · 74 comments · HN thread https://news.ycombinator.com/item?id=50195488 · posted 2026-10-22. Pricing: free to use and open source under the MIT license.

Free alternative to graphics design giants

A webassembly web based app that help editing raster and vector on browser without any subscription or signups 147 points · 52 comments · HN thread https://news.ycombinator.com/item?id=49875308 · posted 2026-09-28. Pricing: see the post.

Dental Scope – Interactive 3D dental anatomy

Dental Scope – Interactive 3D dental anatomy 133 points · 74 comments · HN thread https://news.ycombinator.com/item?id=49886535 · posted 2026-09-29. Pricing: see the post.

Wonderhop – A daily game: guess what most people say, or what none do

Hello HN! Wonderhop is a small browser game with no account needed to play, everyday there are 4 rounds of 7 quesitons like "Name a food that a lot of people hate" The goal depends on the mode: Either gives the answer most people would give, the one no one would give, the… 124 points · 97 comments · HN thread https://news.ycombinator.com/item?id=50080246 · posted 2026-10-13. Pricing: freely and in 10 languages, there was some typos, plurals, nickname, or even duplica.

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30 launches this month. Ranked by Hacker News points over the last 30 days — a popularity signal, not a review. Found a dead link? Reply to the email.