Emulation never dies! it changes and moves forward!
Lime is the world's most popular, open-source, Nintendo 3DS emulator.
It is written in C++ with portability in mind and builds are actively maintained for Windows, Linux, Android and macOS.
(https://github.com/RyzenDew/Lime-3DS-Emulator/releases)
(https://github.com/XForYouX/Lime-Citra-3DS/releases)
Lime is licensed under the GPLv2 (or any later version). Refer to the LICENSE.txt file.