Usually, Etsy has controllers sold by boutique stores based out of people’s homes, but occasionally, you can find mainstream controllers there.
The FS-MINI by Tbox is a mini controller that is available in lever and leverless editions. It can also come in preassembled or DIY formats.
You are in luck if you are looking for a mini all-button controller with two extra face buttons, thanks to the HyperCube Pro!
The Atari Fire Controller is only one of many retro arcade sticks that SuperBox64 makes with a joystick, trackball, spinner, and buttons.
The Mini•Dub is a smaller version of the 4TW by jonyfraze, and the primary difference is how the edges are mostly straight.
If there's a most innovative award, the JTechWorkshop would definitely be a contender. Its leverless controllers have highly custom layouts.
The Neobox Core0 is a slim acrylic all-button controller that is here in order to serve your need for RGB LEDs.
Donte Wilson is your guy if you are looking for stickless wooden controllers that have stylish button LED.
The RaidenBox is a mini all-button controller that is made of acrylic & nylon and is inspired by the Flatbox & Snack Box Micro.