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Cool Links

Cool links are a collection of interesting things I find around the web. They can range from fun dumb websites to deep thought-provoking essays, or more commonly something in between. The feed here updates frequently, and I compile everything into a blog post on the last day of each month.

Illustration of Cool Links in a laptop screen, with a hand pointing at them in a cool way.

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#dev
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28
#deep-read
22
#ai
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8
#app
8
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4
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2
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2026
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2024
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8 links from September 2025

Every Noise at Once , by Glenn McDonald

Cool Link
2025-09-27
#fun

Grab your headphones and get ready to lose some hours. This website compiles every subgenre of music and algorithmically sorts them out in relation to one another. It’s great to learn about new genres you might like or to find something similar to what you already know!

Open

Adrift

Cool Link
2025-09-26
#fun

Adrift is a quiet space where doubts become paper boats and drift together across a shared sea.

What a neat lil’ website. You can write your own doubts or self-care notes and let them float out in a virtual sea, alongside the notes of many others. There’s some background music too.

Open

Wallet voting , by Cory Doctorow

Cool Link
2025-09-18
#deep-read

Make individual choices that make your life better. Take collective action to make society better.

Cory has such a nice way with words — he can express complex thoughts so simply.

This one is a banger. It’s both encouragement to do more against evil and reassurance for when you feel like giving up.

Open

Accented , by Pavel Pomerantsev

Cool Link
2025-09-08
#dev

This tool looks pretty cool! It’s a two-liner solution for web apps that automatically highlights accessibility issues on whatever you’re working on.

I haven’t tested it myself yet (busy month), but will definitely look into it soon.

Open

npm: How did we get here? , by Kevin Roleke

Cool Link
2025-09-08
#dev

I think it’s widely known that the JS dev community relies too much on dependencies, especially through npm packages, and that it’s really hard to avoid this problem (I use as few packages as possible, but each dependency has its own hundreds of dependencies which also have hundreds more…).

But I think I never stopped to think of how easy it is to publish a package there. Which also means, it’s too easy to publish a malicious or compromised package, that gets downloaded and executed on our computers with no proper vetting. Scary.

Open

Why I still prefer ems over rems , by Chris Ferdinandi

Cool Link
2025-09-08
#dev

Neat short article that goes over a bit of the differences between ems and rems in CSS, with nice examples.

Open

The meaning of life... , by Chris Ferdinandi

Cool Link
2025-09-07
#deep-read

… is just to be alive.

Beautiful reminder of why chasing goals and meaning only leads us away from them. A bit related to my longterm goals post from last year.

Open

Means of Production , by Chris Ferdinandi

Cool Link
2025-09-02
#deep-read

One of capitalism’s greatest successes is that it’s robbed us of imagination.

We struggle to imagine what life could look like under a different system. How it would be better. How it would be worse. How it would be different.

Utopias don’t exist. They never will. But I refuse to accept this system we toil under—while better than monarchies and fiefdoms—is as good as it gets.

Open
© 2026 Matheus Fantinel
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