Show HN: Ferrite – Markdown editor in Rust with native Mermaid diagram rendering

Re:Show HN: Ferrite – Markdown editor in Rust with native Me... by nurettin on Saturday January 10, 2026 @11:39PM (#46572750)

This is why I prefer clunky hardware with heating cpus and a slow disk. You can easily feel that you wrote bad code from audio and tactile feedback.

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Re:Show HN: Ferrite – Markdown editor in Rust with native Me... by corysama on Sunday January 11, 2026 @12:02AM (#46572831)

I’ve heard of people doing ambient performance profiling by instrumenting their code to insert clicks into an audio buffer based on a high precision clock and piping it out a speaker. You get to learn the sound of your code at 44.1KHz

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Re:Show HN: Ferrite – Markdown editor in Rust with native Me... by vunderba on Sunday January 11, 2026 @12:20AM (#46572911)

This might be the most absurdly terrific thing I’ve read in a while - like a profiler equivalent of a Geiger counter.

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Re:Show HN: Ferrite – Markdown editor in Rust with native Me... by bschwindHN on Sunday January 11, 2026 @03:10AM (#46573623)

We did something like that for a hiring project once:

https://github.com/tonarino/acoustic_profiler

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Re:Show HN: Ferrite – Markdown editor in Rust with native Me... by 4k93n2 on Sunday January 11, 2026 @11:38AM (#46577185)

*vibe coding sounds* "3.6 roentgen. not great, not terrible"

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