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Xray vs sing-box: catalog facts
Xray	sing-box
Free Free and open source, supported by donations.	Free Free and open source under the GPL.
Self-hosted, Command line	Windows, macOS, Linux, Android, Command line
Implements XTLS and REALITY protocols Works as both server and client core	One binary covering WireGuard, Shadowsocks, VMess, Trojan, Hysteria and more A routing engine that picks an outbound per connection by domain, IP or process
No built-in graphical interface Configuration requires networking knowledge	JSON configuration that is genuinely complex to write correctly Documentation assumes you already know the protocols involved
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License not stated	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 September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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