One can argue that Amazon is the most popular for ordering fightsticks, meaning controllers with a joystick, but it also has great leverless controllers.
The Haute42 W-P1 is a sloped controller with an optional wireless connection, and it is available in white as well.
The Qanba Q4 Pro is a wireless fightstick with 11 Sanwa buttons, a carrying handle, and a magnetic quick-release panel.
The Ruby is a wireless controller with a left pinky button and bigger thumb buttons positioned with your fighting game success in mind.
The Hori NOLVA Reactor has 15 silent buttons in a split layout that allows you to compete at tournaments (or at home) with comfort.
The FlexStrike wireless fight stick by Sony makes PlayStation 5 compatibility incredibly easy for you with native compatibility.
The Vilcorn Y03 is a leverless replica of the FlexStrike, and you can enjoy its 15-button split layout with a wired or wireless connection.
The Mojhon Fight Master—which has buttons that vary in their levels of concavity, convexity, and flatness—has an optional wireless connection.
Akko transitions from keyboards into leverless controllers—with the Funbox's 17 buttons and adjustable Hall effect switches.