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Nestopia UE vs Nestopia (Richard Bannister): catalog facts
Nestopia UE	Nestopia (Richard Bannister)
Free Free and open source under the GPL.	Free Free download; the optional Emulator Enhancer add-on is shareware.
Windows	macOS
Based on the well-known Nestopia core Includes a game database and palettes	Cycle-exact NES emulation for timing-sensitive games Supports 201 mappers and the Famicom Disk System
This repository covers only the legacy Win32 build New GUI development has moved to the Jolly Good Emulation project	Gamepad and full screen support require the paid Emulator Enhancer add-on macOS only
Downloadable app	Downloadable app
Open source	Closed source
License: GPL	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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