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OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
546•klaussilveira•9h ago•153 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
872•xnx•15h ago•527 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
78•matheusalmeida•1d ago•16 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
186•isitcontent•10h ago•23 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
189•dmpetrov•10h ago•84 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
10•videotopia•3d ago•0 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
298•vecti•12h ago•133 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
347•aktau•16h ago•169 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
73•quibono•4d ago•16 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
343•ostacke•16h ago•90 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
441•todsacerdoti•18h ago•226 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
16•romes•4d ago•2 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
240•eljojo•12h ago•148 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
44•kmm•4d ago•3 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
378•lstoll•16h ago•256 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
5•helloplanets•4d ago•1 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
222•i5heu•13h ago•168 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
97•SerCe•6h ago•78 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
14•denuoweb•1d ago•2 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
20•gmays•5h ago•3 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
162•limoce•3d ago•83 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
63•phreda4•9h ago•11 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
129•vmatsiiako•15h ago•56 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
40•gfortaine•7h ago•11 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
261•surprisetalk•3d ago•35 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1032•cdrnsf•19h ago•428 comments

Zlob.h 100% POSIX and glibc compatible globbing lib that is faste and better

https://github.com/dmtrKovalenko/zlob
6•neogoose•2h ago•3 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
56•rescrv•17h ago•19 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
85•antves•1d ago•62 comments

WebView performance significantly slower than PWA

https://issues.chromium.org/issues/40817676
20•denysonique•6h ago•3 comments
Open in hackernews

Show HN: Miditui – A terminal app/UI for MIDI composing, mixing, and playback

https://github.com/minimaxir/miditui
66•minimaxir•4w ago

Comments

T-A•4w ago
Everything old is new again:

https://www.youtube.com/watch?v=xWGUrQsJ7_U

Aldipower•3w ago
<80s flamewar> Pah, Cakewalk? "Voyetra Sequencer Gold" for the win! :-P
vunderba•4w ago
Huge fan of horizontal trackers so this is very cool. If you haven’t already, strongly consider adding some simple quantization options (selecting group of notes, and quick quantize by eighth, quarter, half notes, etc.)
ako•4w ago
Nice, the AI enabled Cambrian explosion of software is happening. Any idea can be built and validated in a few hours or days.

I've built something similar, but focused on guitar backing tracks. It's a TUI built using go, with midi output. Backing-tracks: https://github.com/ako/backing-tracks

neomantra•3w ago
Very cool, thank you for creating and sharing. Literally yesterday YouTube searched (for the first time in a long time) for "D blues backing for Harmonica". I am interested now in exploring LLM paths for that.

You did a great job on the visualizations!!

I couldn't get sound to work on OSX yet, but will keep trying. We uke here, so will make an issue for that ;)

I work on NTCharts and also just yesterday had an LLM fix a visual bug using world understanding, one that I had thought about multiple times prior. In the end, the solution was obvious once revealed and I had overthought the problem.

Video in OP Miditui project is amazing, I missed it on first skim.

ako•3w ago
Thanks, everything was vibe coded, so visualizations thanks to vibe coding. I'm prompting like key user/product manager/architect, so expressing user needs, and ensuring the overall architecture seems reasonable.

For uke, would you expect same functionality but with 4 strings?

rjh29•3w ago
Validated? TUI-based sequencers have been around since the 80s.

It's nice that someone can vibecode what used to take probably a manyear of work though.

ako•3w ago
Not the generic concept of TUI sequencers (i know, have used sequencers on c64), but any weird slightly different idea.

In my case i wanted flexible way to display lyrics, chords, strumming, metronome, fingerpicking, scales, chord shapes, etc, with an easy way for LLMs to define the backing-track, so a backing track DSL.

I think we'll see a lot of these very specialized software popping up, instead of generic solutions that contain everything and the kitchen-sink, where you don't use 90% of the functionality.

ffsm8•3w ago
> Any idea can be built and validated in a few hours or days.

Let's not oversell it to that degree, please.

The amount of ideas that can be built and validated within a few hours or days went way way way up, but is still very very far away from "any". Nor will it ever get there unless we get actual AGI with "free" compute.

strongly-typed•4w ago
What a weird coincidence. Literally today I started building a fully keyboard driven MIDI sequencer in Rust. I was originally going to build it as a TUI but then decided against it because I wanted to have more control over the UI, so I'm building it as a pseudo-TUI with Bevy. But the idea is very similar, I'm approaching this project as a "vim"-like editor but for MIDI editing.
Aldipower•3w ago
Really nice! Reminds me of my "Voyetra Sequencer Plus Gold" which I still have running on a 286, because it has great midi timing! "Miditui" would need a descent recording feature besides easy keyboard roll editing, quantization and so. Any plans to implement this? So you actually could compose music with your real midi devices.
hasbot•3w ago
I clicked only because I'm interested in doing a project related to MIDI, so I was surprised to immediately see that this project was built with Claude Code and unlike, most AI-assisted projects, includes the prompts. Skimming the comments here it appears most people have not noticed this. I suggest re-submitting this project again but with a headline that promotes it as a demonstration for vibe coding.
minimaxir•3w ago
There really isn't a good way to put a note to those prompts in a headline (putting "I vibecoded this" would just get it flagged). I'll likely do a blog post discussing the prompt process at some point.