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.
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.
The Mixbox comes in variations from all-keys to southpaw, but you may be most interested in its S+ variant that has 13 buttons and a spacebar.
Stickless offers some of the most customizable controllers in the history of the fighting game community, including performance & appearance.
2nd Impact is one of the world's most innovative makers of fighting game controllers, and it has something for everyone.
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.