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Streamlink Twitch GUI vs Streamlink: catalog facts
Streamlink Twitch GUI	Streamlink
Free Free and open source.	Free Free and open source under the BSD-2-Clause licence.
Windows, macOS, Linux	Command line
Plays streams in an external player with lower resource use than the website Notifications when followed channels go live	Watch streams in a lightweight player instead of a heavy website Plugin system covering many streaming services
Only for Twitch Requires Streamlink and a separate video player	Command-line only; graphical front ends are third-party Site plugins can break when services change
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: BSD-2-Clause
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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