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Clock Signal vs RetroArch: catalog facts
Clock Signal	RetroArch
Free Free and open source, developed by Tom Harte.	Free Free and open source, funded by donations.
macOS, Linux	Windows, macOS, Linux, Android, iOS
Emulates a wide range of 8- and 16-bit computers and consoles in one program Designed around low input and display latency	Configure once and every emulator core inherits the settings Runs on desktops, phones and a long list of games consoles
No separate project homepage beyond the GitHub repository Some systems need original ROM images supplied by the user	The settings menu is deep and intimidating the first time You still have to download cores, and some systems need BIOS files you must supply
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

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