melonDS v0.9.4 is released. 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 Changelog:
Redesign of the Input dialog (Rayyan)
Use DraStic open-source DS BIOS replacement (Swordfish90, asiekierka)
Generate non-bootable firmware replacement (Swordfish90, asiekierka, others)
Support for syncing DLDI/DSi SD image to a folder (Arisotura)
ARM9 PU (code/data abort) support in interpreter mode (Arisotura)
Fix ADPCM decoding bug resulting in potential crackling (Arisotura)
Block sound DMA from reading the ARM7 BIOS (Arisotura)
Smarter SDL initialization (andrigamerita, Nadia, Arisotura)
Properly center the main window on macOS (Nadia)
Don't try to render if the emulator is inactive (Nadia)
Fix potential issues with DSi title importing (Nadia, Epicpkmn11)
Custom path support (Arisotura)
Fix nifi socket init on BSD and macOS (Nadia)
Add support for zero addresses in AR codes 3xxxxxxx to Axxxxxxx (Arisotura)
Lower window refresh rate if running too fast (RSDuck)
Wifi power-saving support (RSDuck)
Allow swap-screen hotkey to swap between displaying only top screen and only bottom screen (ZackWeinstein)
Add RAM search dialog (2jun0)
Add power management dialog for setting battery parameters (Rayyan)

Download: melonDS v0.9.4
Source:Here