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.
Arcade Forge is an Emirati seller of fightstick parts that also makes DIY cases like the Wooden Arcade Shell.
To Live Is to Play is a store that sells this slim arcade stick compatible with Sanwa JLF PCB switches, including an adjustable shaft height.
The Furaipan by Akekon Dojo is essentially a frying pan with Sanwa buttons. Other options include a Sanwa lever edition.
After the C16's immense success, Haute42 pleasantly surprised the FGC with the C16 Orange, which also upgrades the performance.
You can enjoy the Varmilo JZA1's outrageous 19-button layout with a wired or wireless connection, and it's available in other artworks too.