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sing-box vs v2rayNG: catalog facts
sing-box	v2rayNG
Free Free and open source under the GPL.	Free Free and open source; you supply your own proxy server or subscription.
Windows, macOS, Linux, Android, Command line	Android
One binary covering WireGuard, Shadowsocks, VMess, Trojan, Hysteria and more A routing engine that picks an outbound per connection by domain, IP or process	Supports both Xray core and v2fly core Large, active project with frequent commits
JSON configuration that is genuinely complex to write correctly Documentation assumes you already know the protocols involved	Needs a V2Ray or Xray server or subscription to be useful Aimed at users who understand proxy protocols
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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