melonDS Git (2019/09/14) is complied. melonDS is an open source Nintendo DS(NDS) emulator. melonDS is part of a second wave of DS emulators. There are a few other emulator projects that are part of it, which you might have already heard of. Either way, check them out!

melonDS Features:
* almost-complete 2D graphics
* 3D graphics (software renderer) with texturing, alphablending, lighting
* input: keyboard and joystick, touchscreen
* backup memory
* booting from the BIOS
* resizable video output window, preserving aspect ratio of individual screens

melonDS Git Changelog:
* make it a bit less braindead
* BLAHAHAHAHHHH
* HARK HARK HARK HARK

Download: melonDS Git (2019/09/14)
Source:Here