nullDC is a freeware Sega Dreamcast and NAOMI, the arcade version of the hardware developed by Sega. It is developed for the Windows platform and is already able to run some games.
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi