12 button controllers are how leverless controllers started—since you have four buttons for directional inputs and eight buttons for attack inputs.
This Perfect Clear controller supports MX switches from GamaKay to Akko as well as a PCB like the Brook Fusion.
If you just can't decide between a light or heavy controller, the Mavercade Light Heavyweight solves that problem!
TopStep.GG's debut in the arcade controller scene is the Podium that is available in leverless and fightstick formats.
The Victrix by PDP Pro FS-12 is a leverless controller that comes in white or purple. The fightstick edition comes in white or purple too.
You fell in love with the slim FightBox B1 but just wish it was smaller. No problem, this is what the B1-Mini is for.
This joint collaboration between AXN and SYG is available in leverless and WASD formats, both with LED support.
New Zealand's finest offers its Gen 2 V2.1 controller that is available in leverless, WASD, and fightstick editions.
SaveYourGames brings you the Impact all-buttons controller that can come with a Brook PCB and Kailh switches.