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BizHawkFCEUX
Free

Free and open source under the MIT licence.

 Free

Free and open source under the GPL.

Windows, Linux Windows, macOS, Linux
  • Frame stepping, rewinding and unlimited named savestates across every core
  • Memory view, search and edit in all emulated hardware components
  • Lua scripting and frame-precise movie recording for tool-assisted runs
  • Debugger, hex editor and PPU viewers built in
  • Windows users must run a separate prerequisites installer first
  • Windows and Linux only; macOS is not officially supported
  • Interface is dated and dense with developer tools
  • NES and Famicom only
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.