16 button controllers often give your left middle finger, left thumb, right thumb, and right index finger their own dedicated buttons.
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.
The Haute42 S16 is a small & slim stickless controller with more buttons than usual, and the S13 edition has less buttons.
The Haute42 M16 can also be a WASD controller. As for the M13 edition, it has three less buttons than the M16.
The T series of Haute42 controllers comes in 16 or 13 button versions to suit your fighting game preferences.
The G series of Haute42 controllers can come in 16, 13, or 12 button editions in order to cater to your needs.
What sets the Clear - WASD+ apart from similar controllers is how it has extra keys on the right side of it.
Ultra Arcade's Standard series is a reasonable entry point into its customizable controllers, and there are Pro & Lite editions available.