DeSmuME is a Nintendo DS emulator
That's the correct download, if you go over to desmume.org it links to that github for the newest release and sourceforge for the older version. It's safe.
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.
SimCity Creator Emulator Mac?
1 project | reddit.com/r/SimCity | 27 Jun 2022
JOHTO REMAKES NOW!
1 project | reddit.com/r/MandJTV | 24 Jun 2022
I forgot how annoying it is to grind for levels
1 project | reddit.com/r/nuzlocke | 13 Jun 2022
DeSmuME v0.9.13 released!
1 project | reddit.com/r/emulation | 23 May 2022
1 project | reddit.com/r/Roms | 4 May 2022