The GP2040 firmware is extremely popular for its low latency, decent compatibility, SOCD cleaning, and more—especially if we’re talking about the GP2040-CE variant.
The Card 4.5 Tatami is a wide controller with two thumb keys, and its compact layout features mostly slanted keys for your comfort.
The FightBox R8-J is like the PDP Mortal Kombat Klassic Fight Stick—but with Sanwa parts and a more modern enclosure.
You can buy the Sando in leverless or WASD format, and its uncommon GEON switches have a customizable actuation point.
With a conveniently magnetic bottom, the WoodPunch L can come with 16, 15, or 12 buttons infused with Cherry MX Speed Silver switches.
The Kitty Stick is so cool that it's worth sacrificing ergonomics just to use it, but it still comes with Sanwa parts.
The DoubleSalt is a hitstick with directional buttons that are more slanted than usual, and three of them are smaller than the other buttons.
Mini leverless controllers are a dime a dozen, but it's possible to order the NEM Luna with rare MMD Princess switches.
The GuileKeys GM-16's most unique aspects are its smaller buttons and magnetically removable top panel for custom art.