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Nuclear vs Pear Desktop: catalog facts
Nuclear	Pear Desktop
Free Free and open source under the AGPL-3.0 licence.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Streams from multiple sources, extendable with plugins Playlist import from other services and JSON files	Plugin system that adds features such as ad blocking Standalone desktop window for YouTube Music
Desktop only, no mobile app macOS may block the app on first launch	Unofficial client that depends on the YouTube Music website Electron app, heavier than a native player
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-only	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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