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Yuzu, stylized as yuzu, is a free and open-sourceemulator of the Nintendo Switch. Yuzu was announced to be in development on January 14, 2018, 10 months after the release of the Nintendo Switch. It is developed in C++.
The official website states that the emulator is made by the developers of the 3DS emulator Citra with significant code shared between the projects. Originally, Yuzu only supported test programs and homebrew, but as of July 2019 a handful of games work without issue. A list of what games are compatible with the emulator is maintained on the official website.