Kailh Choc switches may be the most popular switches out there when it comes to leverless and similar controllers on the market.
Panda Fighting offers a variety of all-button controllers in different layouts and sizes, such as this controller that has 16 buttons.
Two things that make the Kyouran Harushion unique are its ample width as well as its fast Kailh Choc V1 Pink switches.
The Granola Summit is an open source PLA Pro controller that has a port for additional console compatibility.
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 SparrowG21 is the final boss of mini leverless controllers—with a plethora of buttons, keys, pins, and even joysticks!
The translucently white housing of this controller by CHIYODA Freaks exhibits sparkling reflections in an aesthetically pleasing way.
Chibico by Acrycade Gear is a mini stickless controller that should be able to fit into a back pocket of a pair of pants.