Mesen-S is a cross-platform SNES emulator for Windows & Linux built in C++ and C#. If you want to support this project, please consider making a donation:
Development builds of the latest commit are available from GitHub Actions. For release builds, see the Releases tab on GitHub.
Warning: These are development builds and may be unstable. Using them may also increase the chances of your settings being corrupted, or having issues when upgrading to the next official release. Additionally, these builds are currently not optimized via PGO and will typically run a bit slower than the official release builds.
Follow either of these, select the top-most entry in the list, and then click the link under "Artifacts" near the bottom.
Windows: 
Linux: 
The latest version is available from the releases tab on GitHub.
Packages are available here: https://aur.archlinux.org/packages/mesen-sx-git/
See COMPILING.md
Mesen is available under the GPL V3 license. Full text here: http://www.gnu.org/licenses/gpl-3.0.en.html
Copyright (C) 2019 M. Bibaud
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.