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FlClashX vs Zephyr: catalog facts
FlClashX	Zephyr
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Android	Windows
One client across Android, Windows, macOS and Linux Uses the Mihomo (Clash Meta) core	Lightweight Rust and Tauri build Front end for the widely used Mihomo / Clash Meta core
A fork, so features and fixes may diverge from upstream FlClash Requires your own proxy server or subscription	You need your own proxy subscription or server Young project with a smaller user base than older Clash clients
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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