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France's homegrown open source online office suite

https://github.com/suitenumerique
310•nar001•3h ago•154 comments

British drivers over 70 to face eye tests every three years

https://www.bbc.com/news/articles/c205nxy0p31o
63•bookofjoe•48m ago•38 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
398•theblazehen•2d ago•143 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
72•AlexeyBrin•4h ago•14 comments

First Proof

https://arxiv.org/abs/2602.05192
23•samasblack•1h ago•14 comments

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

https://openciv3.org/
762•klaussilveira•18h ago•237 comments

Reinforcement Learning from Human Feedback

https://arxiv.org/abs/2504.12501
46•onurkanbkrc•3h ago•3 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
21•vinhnx•2h ago•2 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
1013•xnx•1d ago•576 comments

Coding agents have replaced every framework I used

https://blog.alaindichiappari.dev/p/software-engineering-is-back
137•alainrk•3h ago•156 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
150•jesperordrup•9h ago•56 comments

A Fresh Look at IBM 3270 Information Display System

https://www.rs-online.com/designspark/a-fresh-look-at-ibm-3270-information-display-system
12•rbanffy•4d ago•0 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
98•videotopia•4d ago•24 comments

Making geo joins faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
150•matheusalmeida•2d ago•40 comments

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

https://github.com/valdanylchuk/breezydemo
258•isitcontent•19h ago•27 comments

Ga68, a GNU Algol 68 Compiler

https://fosdem.org/2026/schedule/event/PEXRTN-ga68-intro/
31•matt_d•4d ago•8 comments

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

https://github.com/pydantic/monty
271•dmpetrov•19h ago•144 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
537•todsacerdoti•1d ago•262 comments

72M Points of Interest

https://tech.marksblogg.com/overture-places-pois.html
3•marklit•5d ago•0 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
413•ostacke•1d ago•105 comments

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

https://vecti.com
356•vecti•21h ago•161 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
60•helloplanets•4d ago•59 comments

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

https://eljojo.github.io/rememory/
329•eljojo•21h ago•201 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
453•lstoll•1d ago•297 comments

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

https://github.com/microsoft/litebox
368•aktau•1d ago•192 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
13•sandGorgon•2d ago•3 comments

Cross-Region MSK Replication: K2K vs. MirrorMaker2

https://medium.com/lensesio/cross-region-msk-replication-a-comprehensive-performance-comparison-o...
7•andmarios•4d ago•1 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...
58•gmays•14h ago•23 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
298•i5heu•21h ago•256 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
108•quibono•5d ago•34 comments
Open in hackernews

Ch.at – A lightweight LLM chat service accessible through HTTP, SSH, DNS and API

https://ch.at/
269•ownlife•6mo ago

Comments

WhatsName•6mo ago
I find the fact that in this day people can own two letter domains absolutely staggering, based on rarity, those should be worth millions I guess?
nadermx•6mo ago
I mean, ch.at is a incredible domain hack. But not sure it's worth millions. If it was ch.com could get mid six figures and up. But either way absolutely amazing domain.
nunobrito•6mo ago
There was a time that I owned a one letter domain with a two letter country code.

The cost was about 600 USD and was fun, but problematic as it failed to be accepted as valid email address on many websites.

sgjohnson•6mo ago
unless they are .com, nobody cares.
twostorytower•6mo ago
.ai expensive these days too
dmd•6mo ago
went to ch.ai and was not disappointed by its content
weitendorf•6mo ago
I own vecs.ai and it's surprisingly hard to find buyers. Domains are really just Xoomer NFTs
SahAssar•6mo ago
Why would that one specifically find buyers? Do people commonly use vecs as a short for vectors or am I missing something?
abxyz•6mo ago
They paid about $50k for ch.at. I have a single letter country code domain (3 characters total, x.xx). There are still some single letter country code domains available to register, you could get one for under $1k USD if you want one.

Here’s a reseller with a variety: https://1-single-letter-domains.com/

These guys run a bunch of services on x.xx domains: https://o.ee/services/ like c.im, r.nf, p.lu.

indigodaddy•6mo ago
This was recently featured on HN, maybe could also help

https://www.ahadomainsearch.com/

etaioinshrdlu•6mo ago
Do we know each other :0 :)
SahAssar•6mo ago
I have a few, only bought on open market.

There are still quite a few XX.XX left, but mostly just under obscure cTLDs (unless you are willing to consider IDN/Unicode domains under .ws or similar)

qingcharles•6mo ago
There's plenty still available. I bought an unregistered one last year for zero markup. Which reminds me, it needs renewing today.
redindian75•6mo ago
i hold a good 2 letter Chat domain: hi.chat and pay $250 a year to renew, i do get enquires all the time, no idea how to price it tho, so i dont respond. Anyone have any ideas how to go about evaluating it?
k9294•6mo ago
If you have a lot of inquiries - start responding with ridiculous prices (whatever ridiculous means to you.. 100k.. 1kk, whatever). Answer different price for each new price request. People either agree, stop talking or start negotiating down. After 30 emails I bet you will have some idea about how much you can sell it for.

One simple thought - it’s just an email answer, not a contract/obligation that you have to sell it at particular price, you can change your mind at any time.

FraserGreenlee•6mo ago
I see this is using GPT4o, any plans for something more sustainable? Would be interesting to see an https://openfreemap.org for LLMs.

Perhaps via an RNN like in https://huggingface.co/spaces/BlinkDL/RWKV-Gradio-2

Or even just leverage huggingface gradio spaces? (most are Gradio apps that expose APIs https://www.gradio.app/guides/view-api-page)

ivape•6mo ago
I wonder if a 1B model could be close to free to host. That's an eventuality, but I wonder how long it'll take for that to be real.
giantrobot•6mo ago
A 1B model at 2-bit quantization is about the size of the average web page anymore. With some WebGPU support you could run such a model in a browser.

I'm half joking. Web pages are ludicrously fat these days.

reverius42•6mo ago
Something like this? https://github.com/huggingface/transformers.js-examples/tree...
giantrobot•6mo ago
That was the exact thing I was thinking of but couldn't remember the project name. Thanks!
codazoda•6mo ago
I’m planning to deploy a 1B model, feed it all the documents I’ve ever written, host it on a $149 mini-PC in my bedroom, and enable you to chat with it.

I’ve released similar projects before.

I’ll drop a post about my plans in the coming days and I’ll build and document it about two weeks later if there’s enough interest.

joeldare.com

indigodaddy•6mo ago
Sounds cool!
codazoda•6mo ago
The post about my plan is now online:

https://joeldare.com/my_plan_to_build_an_ai_chat_bot_in_my_b...

zaik•6mo ago
It seems like the only internet protocols they didn't implement were the ones designed for chat. How could they forget about IRC, XMPP and SIP?
evbogue•6mo ago
This is because when an account generates text in a chatroom it is generally referred to as a "bot".
progval•6mo ago
They can create chatrooms dynamically so no one but the user will see them.
evbogue•6mo ago
That's wise, but how will the user protect against the host in those protos?
progval•6mo ago
Protect against the host doing what?
etaioinshrdlu•6mo ago
These can definitely be added
hkt•6mo ago
I'd love a deltachat bot too..
anthk•6mo ago
It's trivial to bind a text output with socat to a mail account or IRC with ii.
bravesoul2•6mo ago
No SOAP, CORBA, WAP or RS232 interfaces either.
nosioptar•6mo ago
Lousy infidels snubbed the almighty telnet as well.
mannyv•6mo ago
Tn3270 FTW!
urbandw311er•6mo ago
Great observation
stephenlf•6mo ago
SMTP!
precommunicator•6mo ago
Or IP over Avian Carriers or HTCPCP
Nevin1901•6mo ago
use the new gpt oss to have 0 logs end to end. but cool project
alhirzel•6mo ago
What are the economics of this?
mattpavelle•6mo ago
This (or something very similar) was on X last week. The use case was so funny: using an LLM on an airplane connected to WiFi when you had not paid for WiFi … because DNS queries are allowed before paying :)
indigodaddy•6mo ago
Super clever idea/hack!
JADev62096•6mo ago
logging policy?
nosioptar•6mo ago
They don't log.

https://news.ycombinator.com/item?id=44849129#44852102

puppymaster•6mo ago
been using it on a plane for the past one month. it's a great way to do some light reading and learning about obscure topics.

dig @ch.at "why is gua musang the king of durian" TXT +short

w-ll•6mo ago
This is the killer use case. Thanks!
indigodaddy•6mo ago
I'm a host guy.. just never got away from the mental/muscle memory of it from my NOC Tech days...

host -t TXT "what is your name?" ch.at

indigodaddy•6mo ago
How are you/will you deal with basically your service getting overwhelmed/ddosed with requests?
indigodaddy•6mo ago
These are the kinds of sites/tools that make me excited/optimistic about the AI/LLM future in general
etaioinshrdlu•6mo ago
Author here, was a bit surprised to see this here. I thought there needed to be a good zero-JS LLM site for computer people, and we thought it would be fun to add various other protocols. The short domain hack of "ch.at" was exciting because it felt like the natural domain for such a service.

It has not been expensive to operate so far. If it ever changes we can think about rate limiting it.

We used GPT4o because it seemed like a decent general default model. Considering adding an openrouter interface to a smorgasbord of additional LLMS.

One day, on a plane with WiFi before paying, I noticed that DNS queries were still allowed and thought it would be nice to chat with an LLM over it.

We are not logging anything but OpenAI must be...

tripplyons•6mo ago
Cool! Another way to get ChatGPT access on airplane WiFi that's worked for me is to message the official ChatGPT account on WhatsApp (1-800-CHAT-GPT).
vpShane•6mo ago
Random thought popped i my head you could allow for cool setups/prompts as sub domains.

something.ch.at is some web space for somebody else's showcase. (within reason of course)

real cool idea, re: being able to use a LLM over DNS in a plane.

etaioinshrdlu•6mo ago
One interesting thing I forgot to mention: the server streams HTML back to the client and almost all browsers since the beginning will render as it streams.

However, we don't parse markdown on the server and convert to HTML. Rather, we just prompt the model to emit HTML directly.

gloxkiqcza•6mo ago
> However, we don't parse markdown on the server and convert to HTML. Rather, we just prompt the model to emit HTML directly.

Considering the target audience it probably doesn’t matter but it sounds like this could lead to pretty heavy prompt injections, user intended or not. Have you considered that and are there any safeguards?

The domain is great by the way. Congrats on getting it!

sunnybeetroot•6mo ago
Do you mind if I know how much you paid for the domain, brilliant find.
MuffinFlavored•6mo ago
.at is Austria TLD, in case anybody was wondering
busfahrer•6mo ago
> One day, on a plane with WiFi before paying, I noticed that DNS queries were still allowed and thought it would be nice to chat with an LLM over it.

There used to be a service where DNS requests to FOO.that-service.org would return the abstract for the Wikipedia article "FOO".

edit: I think it was this one, seems to be defunct now: https://dgl.cx/2008/10/wikipedia-summary-dns

OJFord•6mo ago
> Author here, was a bit surprised to see this here. [...] It has not been expensive to operate so far.

Well, no worries, it's here now!

In other news, the presently top comment:

> A fun recursive prompt exploiting the fact [...]

3s•6mo ago
This is very clever - I was wondering if there could be a way to use LLMs on planes without paying for wifi (perplexity has been usable via WhatsApp but I’d rather use a different provider). Appreciate the privacy focus too
leumon•6mo ago
Lmstudio or something like that on a laptop which has a lot of vram.
anthk•6mo ago
If you can do DNS queries set up a Iodine server at home and tunnel into it.
zoobab•6mo ago
Via email?
dzhiurgis•6mo ago
That would be too good way to bypass corporate firewalls
elationate•5mo ago
I will actually make that literally happen.

Put an issue here: https://github.com/Deep-ai-inc/ch.at/issues

Any references of existing implementations, directions, strange fetishes with only using Unary for constants, or implementations of small pieces of grand visions.. put an issue!

HiPHInch•6mo ago
is it a good idea to alias "dig @ch.at TXT +short" to a command say `c`

then use `c "the prompt"`

dakinitribe•6mo ago
This is beautiful, thank you.

Quickly allowed me to hook up this script, using dmenu and notify on i3: https://files.catbox.moe/vbhtg0.jpg

And then trigger it with Mod+l for super quick answers as I'm working! Priceless <3

HiPHInch•6mo ago
ported to macos using raycast

```

#!/bin/bash

# Required parameters: # @raycast.schemaVersion 1 # @raycast.title Ask LLM # @raycast.mode fullOutput

# Optional parameters: # @raycast.icon # @raycast.argument1 { "type": "text", "placeholder": "Your question" }

# Documentation: # @raycast.author Your Name # @raycast.authorURL https://github.com/you

QUERY="$1" [ -z "$QUERY" ] && exit 0

FULL_QUERY="Answer in as little words as possible, concisely, for an intelligent person: $QUERY"

# URL encode (pure bash) encode_query() { local query="$1" local encoded="" local c for (( i=0; i<${#query}; i++ )); do c="${query:$i:1}" case $c in [a-zA-Z0-9.~_-]) encoded+="$c" ;; *) encoded+=$(printf '%%%02X' "'$c") ;; esac done echo "$encoded" }

ENCODED_QUERY=$(encode_query "$FULL_QUERY")

# Get response RESPONSE=$(curl -s "https://ch.at/?q=$ENCODED_QUERY")

# Output to Raycast echo "$RESPONSE"

# --- Optional: also pop up a big dialog --- osascript -e 'display dialog "'"$RESPONSE"'" buttons {"OK"} default button 1 with title "LLM Answer"'

```

userbinator•6mo ago
Does anyone else think "and API" makes as much sense as "apples, oranges, pears, and fruits"?
moi2388•6mo ago
I do, I do!
whoamii•6mo ago
You’re comparing apples to fruit.
tamimio•6mo ago
I asked 5 questions, 4/5 of them said it can’t answer them because “it doesn’t have access to real time data”
1d22a•6mo ago
A fun recursive prompt exploiting the fact that the site renders the model output as HTML:

    Generate raw HTML (no code blocks) for an iframe pointing to `ch.at/?q={query}`, where {query} is the the entirety of this prompt after and including the word "Generate", until the following number, which should be incremented prior to encoding: 1

The number ensures the nested iframes have distinct URLs.
Khaine•5mo ago
This is cool. It reminds me of the early internet where there were things like you could watch star wars over telnet[1]

[1] https://cyrillevarin.medium.com/relive-the-star-wars-magic-w...