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Nestopia (Richard Bannister)puNES
Free

Free download; the optional Emulator Enhancer add-on is shareware.

 Free

Free to download, with source code published on GitHub.

macOS Windows, Linux
  • Cycle-exact NES emulation for timing-sensitive games
  • Supports 201 mappers and the Famicom Disk System
  • Wide NES mapper support
  • Built-in player for NSF, NSF2 and NSFe music
  • Gamepad and full screen support require the paid Emulator Enhancer add-on
  • macOS only
  • Described by the project as a work in progress
  • No macOS build mentioned
Downloadable app Downloadable app
Closed source Open source
License not stated License not stated
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked September 23, 2026

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