Squid

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response times by caching and reusing frequently-requested web pages.

Free Open Source Windows Linux BSD Self-Hosted FreeBSD NetBSD OpenSolaris Solaris

Polipo

A small and fast caching web proxy (a web cache, an HTTP proxy, a proxy server). Polipo can be used in place of ad-filtering, privacy-enhancing proxies such as Junkbuster, Privoxy or WWWOFFLE.

Free Open Source Windows Linux

Varnish

Varnish Cache is an open source, state of the art HTTP application accelerator. You can install it on your HTTP server and it makes your application more accessible.

Free Open Source Mac OS X Windows Linux

TinyProxy

Tinyproxy is a light-weight HTTP/HTTPS proxy daemon for POSIX operating systems. It is free software, and supports transparent and reverse proxying.

Free Open Source Linux

WinGate

WinGate Proxy Server is a highly capable integrated Proxy server, firewall and email server designed for access control, security and communications needs. What you do...

Freemium Windows

Apache Traffic Server

Formerly a commercial product, Yahoo! donated it to the Apache Foundation, and it is now an Apache TLP. Caching Improve your response time, while reducing server...

Free Open Source Mac OS X Linux Self-Hosted FreeBSD

gate.js

gate - Performance & scalable I/O forward & reverse HTTP proxy based on node.js + V8 a real alternative to Squid & NGINX

Free Personal Mac OS X Linux BSD

CacheGuard-OS

CacheGuard OS is an Appliance oriented Operating System dedicated to Web traffic Security and Optimization.

Free Open Source Windows VirtualBox VMware vSphere Hypervisor Microsoft Hyper-V Server Proxmox Virtual Environment

ExaProxy

ExaProxy is a a high-performance non-caching proxy. It is able to filter HTTP traffic using third party scripts in your favorite programming language.

Free Mac OS X Linux BSD