Browse free open source Proxy Servers and projects for Windows below. Use the toggles on the left to filter open source Proxy Servers by OS, license, language, programming language, and project status.
Anti-Spam SMTP Proxy Server implements multiple spam filters
Cloudflare Tunnel Client
The universal proxy platform
Local MTProto proxy server for partial bypassing of Telegram loading
Unified ingress for developers
1337x Proxy List for 2026
Encrypted UDP based FTP with multicast
Proxy server to bypass Cloudflare protection
API Support for your favorite torrent trackers
A Fast Reverse Proxy
A web proxy tool
Telegram SOCKS5 proxy with WebSocket (WSS) for acceleration and blocki
Powerful, enterprise-ready, open source web server w/ automatic HTTPS
GO Simple Tunnel, a simple tunnel written in golang
The immutable, decentralized, statically built p2p VPN
Zero-config SSL reverse proxy with real autogenerated certificates
Pomerium is an identity and context-aware access proxy
Over the Wall - Science Online
Xray, Tuic, hysteria2, sing-box
A platform for building proxies to bypass network restrictions
A Rust port of shadowsocks
ShadowsocksR (SSRoT) native implementation for all platforms
Sockscap64 Makes your Programs Support Socks Proxy
High performance proxy server implemented by golang
mitmproxy implemented with golang