Arsonite is an efficient keyboard layout with minimal changes from QWERTY. All changes are symmetrical swaps, making it very easy to learn.

Arsonite Layout

Design Goals

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Learning Cost*
Distance (m)
Same Hand
Same Finger
Total Keys
Number Row
Top Row
Home Row
Bottom Row
Enter/paste sample text here to test the performance of the layouts
* Learning Cost: Assuming you already know QWERTY the learning cost is 0 for QWERTY. To relearn a new key, the learning cost is 1 per key if the key is swapped, since if you make a mistake, you just swap the key. If the key is entirely different, not swapped, the learning cost is 4 per key. These are somewhat arbitrary, but reasonable estimates in my opinion.