My Coworker's 36 Key Corne Open-Source Keyboard Setup
Key topics
A developer's customized 36-key Corne open-source keyboard setup has sparked a lively discussion around minimalist keyboard designs and layouts. Commenters are sharing their own experiences with compact keyboards, with some praising layouts like Miryoku for its ease of use, while others, like evilduck, disagree, finding such layouts arbitrary. The conversation also veered into the author's company website, with a commenter criticizing its lack of transparency, prompting a response from the company. Amidst the varied opinions, enthusiasts are exchanging tips and exploring new keyboard configurations.
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- 01Story posted
Dec 26, 2025 at 10:28 AM EST
14 days ago
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Dec 26, 2025 at 10:28 AM EST
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Dec 31, 2025 at 7:05 PM EST
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When I first saw it, he initially had rubber bands holding it down. Now it's on a secure plate with even a company-coordinated color scheme for the keys.
Interesting how his gaming experience led to a custom layer setup.
FWIW, we're incorporated in delaware, and based in the US.
I would say just find a keyboard with support for Via or Vial so that you can change things on the fly when it feels wrong. If you're going down the small form factor keyboard path you're already committed to rewiring muscle memory, you might as well design your layout to meet your specific needs too.
I ended up making the layer activations happen on the same hand to allow 1 handed use.
What started as a joke a few years ago has actually turned into really good signal. I've found that the engineers who care enough to invest in keyboards like this spend a lot of time investing in their tooling and are extremely productive.
Causation or correlation?
I think (1) is true. Whereas, (2) may be less so.
Or at least, "smart but unproductive" is also a class. :) (And I'm sure there are those who have had bad experiences working with such people).
I suppose using a keyboard like this is an expensive signal. As in.. it's fairly easy to buy a typical mechanical keyboard, but more difficult to get one of these small split keyboards. -- But I think this is just "interested in technical excellence", which is somewhat different than "highly productive".
;) As for these keyboards? The most pragmatic & superior tooling part isn't the "36-key keyboard" so much as "each thumb has 2-3 keys" each. That's what allows these keyboards to expressively bring the full functionality of the keyboard to within reach of the hands on home row.
See my own keyboard layouts for inspiration:
https://www.jonashietala.se/blog/2024/11/26/the_current_cybe...
https://www.jonashietala.se/series/t-34/
I think it's good if layout enthusiasts want to use as few as keys as each finds practical. -- I think a good keyboard will support layouts that bring the full functionality of the keyboards to within the hands on home row for two-handed typing (as well as support mouse + keyboard functionality).
But .. I think that the keyboard is physically better off with fewer keys is just fashion amongst enthusiasts.
You can get premade keyboards in this layout for about $150. The Kinesis 360 mentioned earlier in the article is $400-500.
Decide for yourself how pricey "learning these things exist" and "making a custom DIY one is in terms of both resources and time.
In terms of monetary cost, the DIY ones can be quite cheap. -- But it's still going to be more expensive & effort intensive compared to just getting a typical mechanical keyboard.
Smart but unproductive is a class. We've all had experiences with those types of engineers. I think startups generally weed them out though. It's hard to survive at a startup without being productive. I probably should have put that as a disclaimer up front.
This is often more about enjoying the process of optimising than wanting to be productive overall. Some may spend a lot of time reading Hacker News to "keep up with new tools" and clipping their productivity bonsai tree at the deteriment of actually getting work done. They may be the type to spend weeks optimising a command that is run once a year. They may obsess over pointless details that don't matter.
I've been doing this kinesis mod https://github.com/dcpedit/pillzmod, and have a working solenoid wired up https://github.com/dcpedit/taptap. (I recommend checking out https://dcpedit.com/keyboards/ if you have time).
I'm pretty busy, but I've tried to find 2/3 hours a month to progress on it, and keyboards feel like the type of "investment in my craft" that is worth that kind of time for me.
> To promote balanced usage, ... equal distribution eliminates the strain of overextending the right fingers
What overextension? You don't even type them frequently enough for your index/middle finger on the home row to notice anything, and "cognitive overhead" is lower if they're paired together.
And neither is this strategy
> we reach up for numbers,..This strategic approach ensures that my layout and daily typing tasks never overwhelm my cognitive load.
The default numbers are so inconveniently placed that you don't really get much proficiency in using them, so you'll not lose much if you switch from some great numpad layout back to horizontal line just like using regular numpad has no effect on your ability to use the horizontal row And numpad can't overwhelm anything since is extremely common
This is just bad strategy, using superficial logic to hurt ergonomics.
The familiarity with more rarely used symbols might add overhead if broken, but maybe if symbols are mapped to the same numbers it won't be much? (this is at least plausible unlike with the numbers themselves)
The whole idea of assigning keys to fingers doesn't sound too smart to me. Why would you type "ce" with the same finger? It's neither slow nor ergonomic. Why do it to yourself?
>Home row mods live in the base layer. In my opinion, home row mods are nearly essential to make a layout this small work well. The idea is simple: your home row keys act as normal keys when tapped, but double as modifiers when held.
I feel this is underexplored idea. After remapping my CapsLock to tap=Esc, hold=ctrl it went from the least used key on my keyboard to the most used one. I really like the idea of also doing it with home row keys, that must be very convenient after getting used to. That also seems completely free as you never (I think) hold those keys.
Ask me how I know :)