Source · updated 30 October
Today's best Show HN launches
We collected 11 Show HN posts on 30 October 2026; 6 of them made the top 100 of the Daily Launch ranking. 92 launches from Show HN have ranked since 14 October 2026, newest first. The ranking is rebuilt every morning by 09:00 UTC.
- What we read
- Show HN posts through the public Hacker News Search API by Algolia.
- What counts
- Points on the post, read the next morning for posts from the previous UTC day.
- Terms we follow
- Public API. We link to the HN thread and never copy comments.
- 1
Auto Dismiss Mac OS "Allow <app> to find devices on local networks?"
Top on Show HN yesterday · 123 points - 16
Doomformer compiles integer neural networks into ZDoom maps and runs them in ViZDoom.
#2 on Show HN yesterday · 72 points - 25

- 34
Transcribe, correct and cut captions for any screen shape
#4 on Show HN yesterday · 40 points - 52

GenesisDB - The open source, GDPR-ready event sourcing database for developers who love event sourcing.
#5 on Show HN yesterday · 13 points - 63
- 106
- 107
A WebGPU-powered 3D Gaussian Splat renderer built on Three.js
#7 on Show HN yesterday · 11 points - 108
Uji is free software: you can redistribute it and/or modify it under the terms of the GNU General Public…
#7 on Show HN yesterday · 11 points - 136
I got tired of travel spreadsheets so I made a travel planner app
#10 on Show HN yesterday · 10 points - 137
Email inboxes for AI agents, in the EU, and never trained on your mail’s content.
#10 on Show HN yesterday · 10 points - 12

Why is it useful? - Present slides without sharing the screen and have every one be on the same page. -…
Top on Show HN yesterday · 69 points - 30

Announcing Yavashark, a small embeddable and easily extendable JavaScript engine that passes 82% of…
#2 on Show HN yesterday · 27 points - 48

Open NASSCAD and start modeling: parametric solids and generators, boolean CSG, STEP and IFC…
#3 on Show HN yesterday · 24 points - 74
Recursive self-improvement of LLM agent harnesses through evolutionary search and reproducible evaluation.
#4 on Show HN yesterday · 18 points - 18

Spec-first agentic development is specification-driven development for AI coding agents: reviewed specs,…
Top on Show HN yesterday · 28 points - 1

Every classic WordArt style, shape and 3-D effect, in your browser.
Top on Show HN yesterday · 390 points - 11
Open-source, on device alternative to Claude Cowork and ChatGPT
#2 on Show HN yesterday · 139 points - 30

Search 3M+ tech jobs indexed straight from company career boards — deduplicated and tagged by stack,…
#3 on Show HN yesterday · 29 points - 81
An agent-friendly CLI tool for process and port management
#4 on Show HN yesterday · 22 points - 82
- 1

S&P 500 companies as bubbles sized by market cap, filled with one stick figure per 10,000 employees.
Top on Show HN yesterday · 172 points - 17
Designed in KiCad! There are two boards, the Keybit and the Keyword, and both are 1u (19.05mm x 19.05mm).
#2 on Show HN yesterday · 97 points - 29
- 47
Hurston-1 open source TTS that speak Southern American and Afro-English
#4 on Show HN yesterday · 58 points - 76
Deliberation records for human–AI work, versioned in Git
#5 on Show HN yesterday · 32 points - 1
Made this because I'm curious if anyone out there has figured out how to actually use this PHP RCE we spent the last few days panicking over.
Top on Show HN yesterday · 457 points - 18
- 45
- 66
Argus- open source security platform to protect against agentic attacks
#4 on Show HN yesterday · 17 points - 96
Encarta is super nostalgic, and I was surprised it wasn't available to use online.
#5 on Show HN yesterday · 12 points - 5
- 16


- 36

Swurf allows you to swipe through the real web one page after another.
#3 on Show HN yesterday · 72 points - 64
- 23
- 24
I'm a bad singer, so I built an app to show where I'm off-key
Top on Show HN yesterday · 77 points - 49
- 84
- 11
A minimalist, classless-first CSS framework. Write plain, semantic HTML and it looks finished.
Top on Show HN yesterday · 86 points - 28
You may remember us from our early days, when we made a remote-control phone app for Claude Code and Codex.
#2 on Show HN yesterday · 68 points - 61
I built a Markdown and raw HTML blog platform scoring 99 on PageSpeed
#3 on Show HN yesterday · 18 points - 96
GUI-Owl 2B runs inside an Android app and taps through other apps with no server.
#4 on Show HN yesterday · 15 points - 1

Build the city of your dreams. Subject to approval. A free city builder about zoning, hearings, lawsuits…
Top on Show HN yesterday · 733 points - 4
- 15

Death Plan Switch solves this problem, it's free to download and use or study under the MIT license.
#3 on Show HN yesterday · 98 points - 28

100 picture cards: fruit, flags, maps, chess, illusions. Jev answers in about 0.3 s. Race it in Sprint,…
#4 on Show HN yesterday · 60 points - 29
- 54

Rouler is split tunnelling for Windows. Send each app, IP or subnet out the network interface you choose,…
#6 on Show HN yesterday · 23 points - 55

Think a computational notebook on e-paper — a mixture of code, prose and images. Plug it into Emacs for a…
#6 on Show HN yesterday · 23 points
Numbers are each launch's overall rank on its most recent day. These are the newest 50 of 92; older ones are in every daily ranking. How we rank