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.
The YagoBoard's maker is really into anime, so you can also get an anime illustration from the maker—or something completely different.
What sets the Clear - WASD+ apart from similar controllers is how it has extra keys on the right side of it.
JUANminiDIY or JMD Customs is a fightstick builder & woodworker from the Philippines with worldwide shipping.
The SallyBox is a mini controller with a layout that allows you to use it as a leverless or WASD controller.
AllFightSticks provides DIY cases in different sizes, such as the 15.5" Prototype Steel Aluminum Hybrid case.
Certain Deth is a Detroit-based outfit that provides custom enclosures and builds with key, button, or joystick directional inputs.
The Titan is loosely based on the Sega Saturn controller, and one of its many unique features is having a customizable encoder knob.
The Stress Pocket Arcade Fight Pad is a mini WASD controller with unusual angles that may appeal to you more than the usual layout.