Pimoroni COM-B015 - This clicky joystick is great for DIY arcade builds, and it has a handy 5-pin connector that means connecting it is just a case of plugging in a single cable connector.
Elecrow CT0020TJ - Crowtail- Thumb Joystick 2.0
KYT JOY 3426
KYT JOY B
Joy-IT Joystick - a large joystick for arcade game projects. Four micro switches pre-installed.
RPI JOY ZDE
Joy-IT SBC-ZDE - Zero Delay Encoder offers an easy way to connect your own arcade joysticks and buttons and connect them to your PC or other devices.