Yes, DeSmuME is available on Linux.
DeSmuME is a popular open-source Nintendo DS emulator, and it has builds that are compatible with Linux operating systems.
Key points:

- DeSmuME offers Linux builds.
- It's a well-regarded DS emulator.
- Being open-source, it's free to use.
How to obtain DeSmuME on Linux:
- Check your distribution's package manager (e.g., apt, yum, pacman) for a pre-built package.
- Download the source code and compile it yourself.
Building from source may require installing dependencies like development libraries.