Open Source Licenses

The "RetroDvor" service uses open-source components for retro game emulation. We are grateful to the developers of these projects and comply with the terms of their licenses.

Emulator Cores

ComponentLicenseDescription
FCEUmmGPL-2.0NES / Famicom / Famicom Disk System emulation
Genesis Plus GXBSD-3-ClauseSega Genesis / Mega Drive / Master System / Game Gear emulation

Emulator cores are compiled through the libretro API and run in the browser in WebAssembly format.

Source Code Availability

In accordance with the GPL-2.0 license (FCEUmm), the source code of modified components is available upon request at service@chkpnt.ru.

License Terms

  • GPL-2.0 — permits use and modification provided that derivative works are distributed under the same license and source code is made available
  • BSD-3-Clause — permits use, copying, and distribution with preservation of the copyright notice