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Start all of your commands with a comma

https://rhodesmill.org/brandon/2009/commands-with-comma/
102•theblazehen•2d ago•23 comments

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

https://openciv3.org/
654•klaussilveira•13h ago•190 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
944•xnx•19h ago•550 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
119•matheusalmeida•2d ago•29 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
38•helloplanets•4d ago•38 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
48•videotopia•4d ago•1 comments

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

https://github.com/valdanylchuk/breezydemo
228•isitcontent•14h ago•25 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
14•kaonwarb•3d ago•18 comments

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

https://github.com/pydantic/monty
219•dmpetrov•14h ago•114 comments

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

https://vecti.com
329•vecti•16h ago•143 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
378•ostacke•19h ago•94 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
487•todsacerdoti•21h ago•241 comments

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

https://github.com/microsoft/litebox
359•aktau•20h ago•181 comments

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

https://eljojo.github.io/rememory/
286•eljojo•16h ago•167 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
409•lstoll•20h ago•276 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
21•jesperordrup•4h ago•12 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
87•quibono•4d ago•21 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
59•kmm•5d ago•4 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
4•speckx•3d ago•2 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
31•romes•4d ago•3 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
251•i5heu•16h ago•194 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
15•bikenaga•3d ago•3 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
56•gfortaine•11h ago•23 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/
1062•cdrnsf•23h ago•444 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
144•SerCe•9h ago•133 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
180•limoce•3d ago•97 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
287•surprisetalk•3d ago•41 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
147•vmatsiiako•18h ago•67 comments

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

https://github.com/phreda4/r3
72•phreda4•13h ago•14 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...
29•gmays•9h ago•12 comments
Open in hackernews

Show HN: Kraa.io – Markdown editor for notes, blogs, chats

https://kraa.io
62•levmiseri•8mo ago
Hi HN! Excited to share the public beta of Kraa – a web-based markdown editor.

It's aiming to be distraction-free and has strong separation of the document's styling from the experience of writing it — while still alowing for rich customization. Example of a leaf with custom styles: https://kraa.io/kraa/examples/echolibrary

Curious about your feedback in hopes of improving Kraa before the planned launch later this year.

Comments

levmiseri•8mo ago
Here is a public leaf to showcase how chatting works with Kraa's unique 'writer' role: https://kraa.io/hackernews
thestepafter•8mo ago
Just had a great conversation with multiple people, really like the concept displayed in the showcase.
chrisvalleybay•8mo ago
Well – chatting in there sure was a fun experience! This gave off Google Wave vibes, back when it launched.
yasir326•8mo ago
This is very clean and clutter free. I really like simplicity
patrick4urcloud•8mo ago
[flagged]
abdullahajmal•8mo ago
The website is cleannnn! Keep up the good work!
GuillaumeAirGen•8mo ago
Looks nice! What tangible arguments do you have for me to switch from Notion to Kraa?
levmiseri•8mo ago
Kraa can't properly compete with Notion, yet. Not on the feature-set. That being said, if you value simpler interface that still has all the core editor features, give it a try!

We are also not trying to be a Notion clone/alternative, but rather a different kind of text editor that's highly customizable, has unique features (like the writer role) and keeps strong division between writing and styling.

voigt•8mo ago
Appears to me more like a super clean version of hack.md!
zeroq•8mo ago
Feedback: backlink is not working as expected, i've tried several times - initially i clicked on sth, clicked back and it got me to "private mode" (new leaf, search), when i tried again and clicked on a one of showcase links and the clicked back twice it brought me back to the "private mode" again, seems quite finicky.

EDIT: repro: seems like spa app tries to be smart about browser.history - just click random things and try to use back button

jm666•8mo ago
Thx, will fix!
mrweasel•8mo ago
What's the point of editors like this. It looks really well done, but it's not the first, and I don't see the point of any of them.

I don't get why I would need a web-based editor (markdown or other formats). I can perhaps see the point in a collaboration editor, but that's a special case.

Where's the "save" button? Where is my stuff stored? After clicking around a bit I got stuff in the edit mode and now I can't get back to the frontpage.

Perhaps this is an age thing, but files goes on my hard drive, I organise them using a file manager. Files shouldn't be stuck in a browser.

It says I can write blog posts, but how do I export files to my blog? Is there Wordpress integration? Git?

jm666•8mo ago
It is a collaborative document, saved live in a same way as google docs (with offline local support coming, if You are out of cell). The benefit is to have a simple way to create colab documents, with invite logic, which can be used for different purposes seamlessly - private notes, shared todo-lists, password protected gallery, read-only blog post, chat.

We will have markdown / keep / ... import of the notes, a bit later, but that is not probably what You meant with file uploads. The front-page navigation needs care, thx for feedback.

mrweasel•8mo ago
Thanks.

No the import of notes is not what I had in mind :-) I always want to be storing files locally, or on a network share. Having this being intended as a collaboration tool makes sense, but if I'm the sole user, then it's just another place to store my files, which can't be shared or accessed by any other tool. That's my objection, and why I question the usefulness of something like this. You're siloing of data, which makes no sense to me (well it doesn't, it's the only way this can really work in the browser).

My question about the usefulness is sincere. I truly don't get why anyone would want to work in the browser like this, but I also dislike Google Docs. I'm just not the target audience, so I struggle to see how or why something like this would be useful.

The functionality is really well done, I'd just wish it was a desktop application, and stored files on my hard drive.

jm666•8mo ago
Thank You too; I understand, I'm a long time vi & ripgrep user and honestly do not like wysiwyg editors too much; most of my private notes are still rsynced plaintext.

For me, the valuable usecases for kraa are: small notes shared accross devices/people (desktop/phone, family todos), pw-protected gallery for family, and the possibility to turn a note into a BS-free nice blog post super easily. The BS-free aspect is important, but it also means we will be compromising on features (compared to notion/wp/..).

EDIT (adding):

Also, as for the desktop application storing files localy - we do not plan that now, it is too much of a stretch from colab web app :-) We will however probably support localStorage offline mode & p2p / encrypted documents, but that is still something else.

Kind regards!

frank20022•8mo ago
Looks nice, but what is the value proposition? Why this versus many other distraction free editors?
jm666•8mo ago
Thanks. I'd say: simple access control (== easy to invite friends, publish as blog, password-protect), flexible document structure & roles (todos, notes, chat, image board, ...), pretty great image gallery, visual styling separated from content (cleaner UX).
bertocast•8mo ago
I have been looking for something similar for a while. Thanks for this.
gugocharade•8mo ago
[flagged]
alexnewman•8mo ago
seems down
Ettaa•8mo ago
Feels like I’ve rehydrated a long-dormant thread—my desire to write is back online.
xcanchal•8mo ago
Nice! Markdown is everything we need
djbelieny•8mo ago
Ok, this may get downvoted but if you are Brazilian and specially from Rio de Janeiro, and you're reading this domain name, you are 100% laughing at this name. Pejorative to some, but funny AF.