This is a budget controller that is available in many variations and is a decent option if you would like to try hitboxes.
Ash Huang presents this controller that is available in hitbox, mixbox, fightstick, and custom formats with custom art as well.
This is an all-keys controller with keys that are straight instead of being slanted, but you can also request different layouts.
Mixboxarcade created a controller that combines arcade buttons with keyboard arrows and crafted it with much dedication.
The MakeStick Pro Universal LED features a Korean joystick and Seimitsu buttons alongside plenty of options you can choose from to customize this fightstick to your taste.