- wasm lalign utility (integrated in opengenepool.vidalalabs.com, not obvious how to trigger it but you can inspect the wasm package)

- real-time DNA gel lane assignment

- proprietary (Claude also used zig to reverse engineer the usb wire protocol) industrial camera driver

Last two:

https://x.com/DNAutics/status/2099583335940936175?s=20

If you want weirder shit:

https://github.com/ityonemo/2b4m