A WASD controller often has a combination of WASD keys on the left and arcade buttons on the right. Of course, there can be other variations as well.
KeyCade offers a multitude of fightstick variations, including this interesting specimen, the BBL UVP arcade controller, that you can order with custom artwork.
The AFG-controller is a fully customizable beauty that is sturdy, lightweight, and comes in multiple variations.
Eternal Rival offers a multitude of cases, with this one being the Mid Tier Stickless Mini that can be as fancy or simple as you want.
If you are a PC player and want a keyboard-like controller that is optimized for fighting games, the Fightboard might be for you.
The Gamo2 K28 is a rhythm game controller that can also double as a fighting game controller for keyboard lovers.
This is a budget controller that is available in many variations and is a decent option if you would like to try leverless controllers.
Ash Huang presents this controller that is available in leverless, WASD, 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.