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FCEUX vs ares: catalog facts
FCEUX	ares
Free Free and open source under the GPL.	Free The software is free under its open-source licence. Hosting, hardware and external…
Windows, macOS, Linux	Windows, macOS, Linux
Lua scripting and frame-precise movie recording for tool-assisted runs Debugger, hex editor and PPU viewers built in	It descends from higan and bsnes and deliberately trades performance for clear, accurate cores across a long list…
Interface is dated and dense with developer tools NES and Famicom only	The accuracy focus means it needs more CPU than fast emulators, and the interface is plain.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: BSD-3-Clause
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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