melonDS aims at providing fast and accurate Nintendo DS emulation. While it is still a work in progress, it has a pretty solid set of features.

<ul><li>Nearly complete core (CPU, video, audio, ...)</li><li>OpenGL renderer, 3D upscaling</li><li>RTC, microphone, lid close/open</li><li>Joystick support</li><li>Savestates</li><li>Various display position/sizing/rotations modes</li><li>Work-in-progress Wi-Fi emulation for online connectivity and local multiplayer</li><li>Experimental emulation of the Nintendo DSi</li><li>...and even more is planned!</li></ul>