A WASD controller often has a combination of WASD keys on the left and arcade buttons on the right. Of course, there can be other variations as well.
The Haute42 M16 Plus is an elegant leverless controller with a metal body, large buttons, and dual layout.
The Granola Summit is an open source PLA Pro controller that has a port for additional console compatibility.
The KBGM-H04 is a dual layout controller with an aluminum alloy top and acrylic bottom. You can also add an extender for your wrists.
Just when you thought the T16 could not get any better, Haute42 gave us the T16-C with fast Crystal switches.
The DuelPad A16 is an acrylic controller that has 16 buttons with LED support and even comes with a modern console port.
The Ruyi Box is a stickless controller with 18 face buttons curved quite interestingly as well as two analog sticks.
The button layout of the Meisterbox M from Bavaria is supposed to make it the most ergonomic fighting game controller.
The Haute42 B16 is a larger version of the Haute Board Mini, and this time, it also has more keys, giving it a dual layout.