The GP2040 firmware is extremely popular for its low latency, decent compatibility, SOCD cleaning, and more—especially if we’re talking about the GP2040-CE variant.
The Haute42 M16 can also be a WASD controller. As for the M13 edition, it has three less buttons than the M16.
If there's a most innovative award, the JTechWorkshop would definitely be a contender. Its leverless controllers have highly custom layouts.
The Clutch's two most unique aspects are its faster-than-average microswitches and ability to display two colors on top.
The T series of Haute42 controllers comes in 16 or 13 button versions to suit your fighting game preferences.
The RaidenBox is a mini all-button controller that is made of acrylic & nylon and is inspired by the Flatbox & Snack Box Micro.
The Steelbox is a mini stickless controller that has 14 buttons and switches, with the jump button being bigger than the rest.
The Slab MX is a bigger version of the bestselling Slab Mini, and it comes with innovations like rubber bumpers.
The FightingBox Mini WASD controller allows you to choose the colors of its keycaps and switches as well as its LED settings.