# ZMK firmware

13 Hacker News commenters recommended ZMK firmware and 2 criticized it, November 2025 to November 2026. It was recommended in 8 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Open-source keyboard firmware, free, praised for wireless support, flexible custom key behaviors, and a cleaner setup than QMK. Critics note it lags QMK in features.

## Why people recommend it

- Works on many programmable keyboards (3 comments): "picking up any QMK or ZMK compatible keyboard would let you do it in firmware too" ([source](https://news.ycombinator.com/item?id=45938249)) "buy a keyboard that support qmk or zmk firmware" ([source](https://news.ycombinator.com/item?id=48477912)) "get something programmable with zmk or qmk" ([source](https://news.ycombinator.com/item?id=48476385))
- Flexible custom key behaviors (2 comments): "super flexible and you can create lots of custom behaviors for keys" ([source](https://news.ycombinator.com/item?id=47292579)) "It gives me Shift plus Caps Lock with just one key." ([source](https://news.ycombinator.com/item?id=47819065))
- Preferred over QMK, cleaner (2 comments): "I switched to ZMK circa 2024, and never looked back at QMK." ([source](https://news.ycombinator.com/item?id=48320884)) "ZMK is much, much cleaner." ([source](https://news.ycombinator.com/item?id=49101540))

## What people warn about

- Lags behind QMK in features (1 comments): "Even though ZMK is lagging a decent bit behind QMK features." ([source](https://news.ycombinator.com/item?id=49306811))

## Alternatives hackers recommend

- [QMK firmware](https://hackerapproved.com/p/qmk-firmware.md): 18 recommend

## Cite as

Hacker Approved, "ZMK firmware", https://hackerapproved.com/p/zmk-firmware/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).