The Victrix Pro KO features up to 16 moveable buttons in a layout that was optimized by the fighting game veteran, Momochi.
The Atachon Angel has split wings that allow you to set the sides of the controller farther apart than usual if you want.
The Octopus Arcade Fight Stick by TR Fight Stick may be considered a spiritual successor to the legendary Sega Dreamcast HKT-7300.
The Orca Analog box controller's name probably comes from its variable-press analog switches, and it features true neutral additive SOCD too.
The Leme Tech Mini is so small, yet it provides Melee players three modifiers instead of the C-stick, reimagining wavedashes and Firefoxes.
The DuelPad Zen features an ergo-split layout that aims to reduce your odds of carpal tunnel by tilting your wrists at a 15° angle.
Just when you thought 16 buttons are a lot for a leverless controller, GuileKeys released the GK-21, which has 21 buttons!
The Keybox Maverick is a handmade controller that is inspired by the SNES controller, and you can mix & match its colors as you like.