Skiller SGK50 S4

Redragon K717 A really nice 60% board with QMK firmware and actually decent keycaps. Sharkoon Skiller SGK50 S4 Sharkoon Skiller SGK50 S3 The Skiller SGK50 is not just QMK but the source code is already in the main QMK repo. Ajazz AKS068 Emulated QMK, not the real thing, 65% sorta-ergonomic.

Barebones and DIY kit tends to be better quality and more versatile than apparently comparable prebuilts so technically it will cost more but you'll get a better keyboard. In the conventional 60% range I like the Skyloong GK61 because it's got QMK firmware, standard mount so you can customize it a l

Sharkoon Skiller SGK50 S4 is a 60% and S3 is a 75%, they're legit QMK/VIA boards that come prebuilt in ISO-DE for about 70 Euros, or in a barebones version with reportedly both ISO and ANSI plates.