shadowsocks The original Python implementation. shadowsocks-go Go implementation with multi-port, multi-password, user management and traffic statistics support for commercial deployments. go-shadowsocks2 Another Go implementation focusing on core features and code reusability. shadowsocks-rust outline ShadowsocksX-NG shadowsocks-android shadowsocks-libev Lightweight C implementation for embedded devices and low end boxes. Very small footprint (several megabytes) for thousands of connections.