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Show HN: I spent 6 years building a ridiculous wooden pixel display

https://benholmen.com/blog/kilopixel/
723•benholmen•9h ago•111 comments

Show HN: I've been building an ERP for manufacturing for the last 3 years

https://github.com/crbnos/carbon
93•barbinbrad•3h ago•28 comments

Qwen-Image: Crafting with native text rendering

https://qwenlm.github.io/blog/qwen-image/
301•meetpateltech•10h ago•85 comments

How we made JSON.stringify more than twice as fast

https://v8.dev/blog/json-stringify
198•emschwartz•12h ago•50 comments

EconTeen – Financial literacy lessons and tools for teens

https://econteen.com/
41•Chrisjackson4•3h ago•28 comments

Thingino: Open-Source Firmware for IP Cameras

https://thingino.com/
45•zakki•3h ago•9 comments

NASA's Curiosity picks up new skills

https://www.jpl.nasa.gov/news/marking-13-years-on-mars-nasas-curiosity-picks-up-new-skills/
95•Bluestein•6h ago•31 comments

I tried to replace myself with ChatGPT in my English class

https://lithub.com/what-happened-when-i-tried-to-replace-myself-with-chatgpt-in-my-english-classroom/
85•lapcat•2d ago•89 comments

Job-seekers are dodging AI interviewers

https://fortune.com/2025/08/03/ai-interviewers-job-seekers-unemployment-hiring-hr-teams/
523•robtherobber•18h ago•770 comments

Indian Sign Painting: A typeface designer's take on the craft

https://bl.ag/indian-sign-painting-a-typeface-designers-take-on-the-craft/
123•detaro•2d ago•20 comments

Content-Aware Spaced Repetition

https://www.giacomoran.com/blog/content-aware-sr/
89•ran3000•6h ago•18 comments

OpenIPC: Open IP Camera Firmware

https://openipc.org/à
202•zakki•3d ago•115 comments

Ask HN: What trick of the trade took you too long to learn?

63•unsupp0rted•8h ago•83 comments

The history of the Schwartzian Transform (2016)

https://www.perl.com/article/the-history-of-the-schwartzian-transform/
4•mooreds•3d ago•0 comments

DrawAFish.com Postmortem

https://aldenhallak.com/blog/posts/draw-a-fish-postmortem.html
259•hallak•14h ago•63 comments

How we built Bluey’s world

https://www.itsnicethat.com/features/how-we-built-bluey-s-world-cartoon-background-scenery-art-director-catriona-drummond-animation-090725
324•skrebbel•3d ago•152 comments

Deterministic Simulation Testing in Rust: A Theater of State Machines

https://www.polarsignals.com/blog/posts/2025/07/08/dst-rust
14•lukastyrychtr•3d ago•1 comments

Hiroshima (1946)

https://www.newyorker.com/magazine/1946/08/31/hiroshima
39•pseudolus•2d ago•47 comments

Once a death sentence, cardiac amyloidosis is finally treatable

https://www.nytimes.com/2025/08/04/well/cardiac-amyloidosis.html
106•elektor•5h ago•8 comments

Perplexity is using stealth, undeclared crawlers to evade no-crawl directives

https://blog.cloudflare.com/perplexity-is-using-stealth-undeclared-crawlers-to-evade-website-no-crawl-directives/
961•rrampage•12h ago•542 comments

Customizing tmux

https://evgeniipendragon.com/posts/customizing-tmux-and-making-it-less-dreadful/
94•EPendragon•10h ago•82 comments

What Can a Cell Remember?

https://www.quantamagazine.org/what-can-a-cell-remember-20250730/
51•chapulin•4d ago•5 comments

Passkeys are just passwords that require a password manager

https://danfabulich.medium.com/passkeys-are-just-passwords-that-require-a-password-manager-ebb7f2fdcadf
49•dfabulich•6h ago•18 comments

Projects evaluated to see if they're as free and open source as advertised

https://isitreallyfoss.com/
127•exiguus•4h ago•43 comments

My Ideal Array Language

https://www.ashermancinelli.com/csblog/2025-7-20-Ideal-Array-Language.html
116•bobajeff•13h ago•50 comments

Objects should shut up

https://dustri.org/b/objects-should-shut-the-fuck-up.html
301•gm678•11h ago•225 comments

Century-old stone “tsunami stones” dot Japan's coastline (2015)

https://www.smithsonianmag.com/smart-news/century-old-warnings-against-tsunamis-dot-japans-coastline-180956448/
130•deegles•13h ago•49 comments

Is the interstellar object 3I/ATLAS alien technology? [pdf]

https://lweb.cfa.harvard.edu/~loeb/HCL25.pdf
82•jackbravo•13h ago•115 comments

Show HN: Mathpad – Physical keypad for typing math symbols

https://www.crowdsupply.com/summa-cogni/mathpad
62•MagneLauritzen•2d ago•23 comments

Show HN: Sidequest.js – Background jobs for Node.js using your database

https://docs.sidequestjs.com/quick-start
51•merencia•10h ago•12 comments
Open in hackernews

Projects evaluated to see if they're as free and open source as advertised

https://isitreallyfoss.com/
127•exiguus•4h ago

Comments

burnt-resistor•3h ago
One to add: NanoKVM is definitely fake FOSS. It dials home to download a serialized, opaque library. NanoKVM: The S stands for Security https://youtu.be/plJGZQ35Q6I

Many people also seem to think Atlassian Jira and Confluence are OSS when they're absolutely not.

snvzz•2h ago
The vid is old and they made some promise to open source things later.

I wonder if it ever happened. I did withhold my purchase back then just because I'd rather wait for open source than buy some device I cannot trust.

stephen_g•1h ago
Atlassian stuff never was, they do offer free licenses to use their cloud products to open source projects though - perhaps that's the confusion?
pkaeding•1h ago
They also used to offer source downloads to paying customers, but never claimed to be open source, because the licence they gave to customers to access that source did not allow for distribution. (It was meant for auditing, and help in building extensions, I think)
exiguus•3h ago
You can add a new project to the website by creating an issue [1].

[1] https://codeberg.org/danb/isitreallyfoss/issues

sho_hn•3h ago
Now add an "open source" LLM.
nailer•3h ago
I think you’re being downvoted because not everybody on HN knows that Llama is not open source, despite Yan LeCunn ignoring the OSI and continually attempting to tell everyone it is.

https://opensource.org/blog/metas-llama-2-license-is-not-ope...

https://opensource.org/blog/metas-llama-license-is-still-not...

fragmede•2h ago
downloadable ≠ open source.

https://www.downloadableisnotopensource.org/

koolala•1h ago
If LLM output is unlicensed, maybe an LLM could one day be trained on the public output of every existing LLM. A second gen LLM that can confidently identify its own kind alongside public domain human ideas.
sroerick•3h ago
Signal I suppose is open source, but doesn't it contain closed source Google binary blobs? It also routes through closed source notification libraries
SchemaLoad•2h ago
Pretty sure it's impossible to not use closed source Google or Apple pieces for a functional app these days. Last I looked in to it, the only way to actually deliver notifications is to run through Google or Apple since the OSs don't want every app running their own background processes draining battery.
warkdarrior•1h ago
Practical concerns must not matter for a purity test.
singpolyma3•1h ago
On iOS that's basically true, but on android there are a lot of battery preserving options
woodruffw•3h ago
I think the definition of FOSS used here is tendentious: some of these projects (which I have no particular attachment to) are marked as "not FOSS" or "issues exist" because they have components that are disconnected from the basic nature of free and open source software itself.

A recurring one here seems to be that proprietary builds somehow make a project not FOSS. But this is how it's always worked: Red Hat doesn't sell FOSS source, they sell a subscription to a distribution (RHEL) that includes managed, maintained builds. That distribution is in turn restricted[1], while the source behind it remains free.

Perhaps there's an argument to be made that the definition of FOSS should be stronger, and should include some kind of binary freedom, lack of trademark restrictions, etc. But that's not how the term is conventionally applied, and glossing over that convention seems roughly as contentious as when companies try to split the baby and rewrite "open source" to include anti-competitive terms.

[1]: https://www.redhat.com/en/resources/red-hat-enterprise-linux...

koolala•1h ago
In those situations, could someone easily just fork the project, offer builds, and now their version of the project is ideal? If it's easy to do that then it seems like a good ideal. If it is difficult to do then their right it is an 'issue'.
liquidgecka•1h ago
… isn’t that basically what CentOS did in the early days?
koolala•1h ago
What happened? Why did it stop being easy and some people say "CentOS Linux is dead—and Red Hat says Stream is “not a replacement”?

If the company no longer makes it easy that's a big issue. On a list like this, CentOS would appear next to Red Hat Linux Enterprise.

betaby•33m ago
Oracle Linux?
einpoklum•3h ago
Some entries are at best confusing, and at worst misinforming.

The common case is considering projects which have one element that is FOSS and another that isn't. For example: ProtonMail, who apparently offer a FOSS mail client. They never presumed to offer mail server software; and FOSS mail server software is available. So a button calling them out for not being really FOSS kind of misses the mark. You don't see an entry like that for, say, GMail - so if Proton did not provide a client at all, they would have faired better.

Another specific case is that of Signal. The client and server are FOSS, but they're designed for no federation, so you can't (?) use a modified Signal client with the vanilla clients, and you definitely can't add a server to the network. This effectively prevents modified versions of Signal from being usable. So, is it really FOSS? The site's verdict is: Unqualified yes, Green button.

1970-01-01•2h ago
You missed how there are five possible answers for a binary yes/no question. The site is confusing by design.

https://isitreallyfoss.com/about/categorisation/

re•1h ago
> ProtonMail, who apparently offer a FOSS mail client. They never presumed to offer mail server software

The website justifiably cites this website marketing copy as misleading: "All Proton services are open source and independently audited for security." https://proton.me/mail If that's supposed to only apply to the mail client (which isn't specifically mentioned on that page), it's incredibly unclear.

oever•3h ago
This project's source code is hosted on Codeberg, which runs on the FOSS forge Forgejo.

This is a big improvement over projects that are hosted on GitHub. For those, the license may be FOSS, but the spirit is not, because anyone that wants to contribute upstream is lured onto a proprietary platform.

The license and terms of service of a project's community communication channels are not listed under the concerns. (https://isitreallyfoss.com/concerns/) This is understandable: traditionally and strictly, the license is the only thing that matters.

the_mitsuhiko•2h ago
I think this is not particularly impartial. Sentry is marked as "NOPE" even though it is basically open source (any commit older than two years is), yet projects that are open core forever are "issues exist" and "partially".
lytedev•2h ago
Wouldn't "partially" be fair? Since not ALL of the project is, but only source of a certain age?
the_mitsuhiko•2h ago
That in my mind would be a much fairer categorization.
JoshTriplett•1h ago
> Sentry is marked as "NOPE" even though it is basically open source (any commit older than two years is),

In other words, current Sentry isn't Open Source, but old versions are available. I think it's a fair characterization that Sentry is not Open Source, unless there's an actual community around the Open Source version.

koolala•1h ago
Why is this project switching its license 2 years ago during development not a problem? What is good about Sentry? edit: Oh you mean rolling time windows.
hk1337•1h ago
> The project is licensed under an FSL-1.1-Apache-2.0 license which, for two years after release, prevents use, modification and distribution when done in a range of ways which may compete with the original project.

The current license for sentry seems to be a large part of the reason for the nope.

They give a pretty detailed explanation of the decision.

It’s still a good product.

pxc•1h ago
The FSL, like the BuSL that Hashicorp Terraform is now under, is a proprietary software license.

"Partially" makes sense for something where some component or subproject is released under a proprietary license and other components or subprojects are released under a free software license.

Software that will eventually be open-source isn't yet open-source. A once-F/OSS codebase that was closed and removed from GitHub two years ago also has all commits that are 2+ years old open-source, but that that doesn't make such a codebase open-source, either.

yangman•1h ago
Or, at least, not giving a fair take on its particular approach to open source.

We both self-host and pay for the service. There is ample engagement from the development team with the larger community. There are also a myriad of open source projects without the same licence restrictions that Sentry-the-company publishes or maintains which make up key functionalities in Sentry-the-product.

koolala•58m ago
How often does Sentry contribute to its own two year old branch? Is anyone maintaining a fork of it that would deserve to be on this list?
evanjrowley•2h ago
F-Droid, the FOSS-centric alternative app store for Android, provides similar information for each app. F-Droid goes a bit farther on things mobile users care about, like calling out if an app sends telemetry or requires a paid subscription. I like that this Is it really FOSS? project examines a project's potential impact on the FOSS community by questioning whether it is VC-funded, requires a CLA, and other interesting characteristics like that.
sanex•2h ago
My wife is Venezuelan, and when they think something smells they say Foss. It's a never ending source of amusement when I'm browsing hn. She will love this site.
kiitos•2h ago
oh good a purity test for OSS projects, this is exactly what's needed in the ecosystem, and will surely have a positive impact
zzo38computer•1h ago
I got banned permanently from this server (with no explanation of why). However, it look like it is also on Codeberg, which I am not banned from (although many of the links are incorrect when viewed on Codeberg (at least if JavaScripts are disabled), it still works).

I think these articles are good, but I do have some other comments.

For some programs, there is the possibility that some parts can potentially work without non-FOSS but is difficult to separate. (This can also be a different problem in case you only want one part of the program.)

A program can also be Free but "trapped", in case it requires proprietary compilers to compile it (although it is often possible to work around this; sometimes easily and sometimes more difficult).

For some games that have non-FOSS parts, there is also the issue of if the non-FOSS parts can execute arbitrary code or otherwise do things outside of the game itself, that is not necessarily desirable (e.g. a Game Boy Advance emulator might be FOSS, although the programs it emulates might or might not be FOSS, but either way do not affect the rest of the computer nor the internet and other stuff like that); and, also the consideration of whether the software can be used without the non-FOSS parts (if you can replace them; e.g. a FOSS game engine might be made as a clone of a non-FOSS game engine that can use the original game files but you can also make your own fully FOSS games using it too).

There is also some that may require non-FOSS to access, even if the software itself is FOSS. Proprietary (or overly complicated, even if FOSS) communication channels are also not mentioned (although another comment on here does mention it), and I think it probably is a concern (not one that necessarily makes the project itself to be not FOSS, but still might be worth mentioning), even if it does not make the program itself to be not FOSS, it can make it difficult to contribute or to use it.

Being FOSS does not necessarily mean that you intend to run the program on your computer; you might only want to view the code, or modify it before running it, or use your own program (or a different FOSS program) as a substitute.

Programs can be "open core" but the non-FOSS part is still clearly distinct from it (which is the case for SQLite). (In the case of SQLite, they also mention the non-FOSS test suite; they are not needed to run the program, but it may make it difficult to make your own changes and then test it. However, some programs do not have a real test suite at all, anyways.)

firesteelrain•1h ago
Free but free to sustain? No way. Sometimes there are companies that accompany a paid, Enterprise version (HashiCorp, GitLab).

You get what you pay for

koolala•1h ago
What about the singularity? When AI can maintain any program?
dragonwriter•1h ago
Even should that occur, AI isn't and wouldn't in that case be free of cost.
koolala•1h ago
Even if it solved its own energy crisis? Could it ever unquestionably deserve sovereignty? At the very least on git pull requests as an individual global contributor?
aguacaterojo•1h ago
One one hand it's probably a good thing to have open source police. On the other hand, not quite open source was the correct choice for a lot of these projects.
jeeyoungk•1h ago
I think this is really unfair, in the current day and age, especially when there are "Open Weight Models" that are bending the definition of the FOSS.

I don't have a skin in the game, but I personally think that the definition of FOSS is too rigid and strict and is not evolving. There has been many challenges over time (LGPL's linking exception, tivoization, AGPL trying to fight against SaaS, Open Core business models, ...); and we are really bestowing very harsh moral standards for people who are trying to do the right thing.

For me, Sentry, being 10+ years in its existence (I used it ever since its logo was a Starcraft II unit), never participated in the usual enshitification of the software, being labeled as "NOPE" is disingenuous. I would gladly pay for Sentry because I love the software, and I also know that if shit hits the fan, I can self-host it (though the configuration for self-hosting got progressively difficult over time, but that's the complexity of modern SaaS stack). I can make similar arguments to other tools in this site that I'm familiar with.

Der_Einzige•42m ago
A whole lot of FOSS folks don't like that the vast majority of folks do not care about license distinctions that ultimately won't ever be tested in court anyway.

Ultimately, most people use the term "open source" to mean "freely downloadable" or similar. Sorry I guess that the gnulag[1] never happened.

[1] https://i.redd.it/th4prtdk6xr61.jpg

ethan_smith•36m ago
The real test of "freedom" isn't just the license but whether users can realistically deploy modified versions in production without prohibitive technical or legal barriers.