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Leaf vs Brook: catalog facts
Leaf	Brook
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the GPL-3.0 licence.
Windows, Command line	Windows, macOS, Linux, Android, iOS, Self-hosted, Command line
Wide range of proxy protocols and transports QUIC, TLS, WebSocket and Reality support	Clients for desktop, mobile and OpenWrt routers Programmable through shareable scripts
No graphical interface; configured by file No release builds published on GitHub	Requires running your own server Configuration assumes networking knowledge
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License: GPL-3.0
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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