The platform that an arcade controller works on may be a lead factor in your decision regarding whether or not to buy that controller.
The Haute42 M16 Plus is an elegant leverless controller with a metal body, large buttons, and dual layout.
Mayflash decided to enter the stickless market with the F500 FLAT that has two extra buttons for Street Fighter 6 and beyond.
The Granola Summit is an open source PLA Pro controller that has a port for additional console compatibility.
The FightBox K1 can come in white or black as well as K2 & K10 editions that have a joystick and more buttons respectively.
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 Leme Tech One is a Smash controller that runs on the proprietary Leme Tech One firmware, which is HayBox-based and HayBox-compatible.
The DuelPad A16 is an acrylic controller that has 16 buttons with LED support and even comes with a modern console port.