GK61 from 极客定制 (Jí kè dìngzhì? “geek customisation”) is a 60% keyboard with hot-swappable switches and a custom firmware. It's my first “Alibaba” keyboard purchase, and I really do like it, although I miss having Fn keys (and will likely buy something that includes them next). I capped Kailh red switches with some front-printed Cherry-profile keys, switched off most of the RGB glow, and use it to hack Python and other things on a Macbook Pro via a USB cable.
Sadly, it's not QMK-compatible, but there is an opensource utility for configuring layers and lighting which I'm yet to try.