# Open-source proxies

6 open-source proxies rated against public privacy criteria.

1. [Privoxy](https://privacyratings.com/proxies/privoxy/): B (80/100). Non-caching web proxy that filters web pages and HTTP headers to remove ads and trackers, with configurable access control and support for chaining to Tor.
2. [sing-box](https://privacyratings.com/proxies/sing-box/): B (80/100). Universal proxy platform that supports Shadowsocks, VLESS, Trojan, Hysteria 2, WireGuard and other protocols with rule-based routing, available as a command-line core and official graphical clients.
3. [V2Ray](https://privacyratings.com/proxies/v2ray/): B (80/100). Proxy platform maintained by the V2Fly community that supports VMess, VLESS, Shadowsocks, Trojan and other protocols with configurable routing, used as a server and client core for censorship circumvention.
4. [Xray](https://privacyratings.com/proxies/xray/): B (80/100). Proxy core forked from V2Ray by Project X, adding the XTLS, VLESS and REALITY transports for censorship circumvention; runs as a server or client and powers many third-party apps.
5. [Outline](https://privacyratings.com/proxies/outline/): C (70/100). Tool for setting up a personal Shadowsocks-based VPN server on a cloud provider and sharing access keys, with a manager app for servers and client apps for users.
6. [Shadowsocks](https://privacyratings.com/proxies/shadowsocks/): D (50/100). Encrypted SOCKS5-based proxy protocol designed to bypass internet censorship, with open-source server and client implementations for desktop and mobile platforms.

Source: https://privacyratings.com/open-source/proxies/