http://desmume.org/
In this version, we have focused on the Cocoa frontend, but there have been
some good core fixes over so long. Notably, the save-related issues resulting
in the advice “dont use 0.9.10〃 have been resolved.
Head on over to the download page and check it out!
http://desmume.org/download/
Also, don’t post bug reports or support requests in the comments. It’s a
terrible venue for that, and there are other places specifically designed for
it, such as, say, the support forum
http://forums.desmume.org/viewforum.php?id=4
WiFi not emulated and not supported!!
We won’t make a 3DS/2DS emulator.