It is a Nintendo Switch Emulator programmed in C#; unlike most emulators that are created with C++ or C. This emulator aims to offer good performance, a friendly interface, and consistent builds. Ryujinx is created by user gdkchan over at the GBAtemp forums. This emulator is also available on GitHub, and is licensed under the "Unlicensed" license.
Note: This emulator is not capable (as of now) of running Commercial Nintendo Switch games! If you somehow find a source claiming that the Emulator is capable, and it has not been officially confirmed by us; Please consider reporting it via our Discord server.