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

Proxomitron

For those who have not yet been introduced, meet the Proxomitron: a free, highly flexible, user-configurable, small but very powerful, local HTTP web-filtering proxy.

Free Windows

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

GlimmerBlocker

The problem with other ad-blockers for Safari is that they are implemented as awful hacks: as an InputManager and/or ApplicationEnhancer.

Free Open Source Mac OS X Mac Safari

Acrylic DNS Proxy

Acrylic is a local DNS proxy which improves the performance of your computer by caching the responses coming from your DNS servers.

Free Open Source Windows

Proximodo

Proximodo is a loopback proxy server, seemingly a fork of proxomitron though likely abandonware. Unlike Proxomitron its developer is not existentially challenged. Additionally Proximodo can use Proxomitron filters.

Free Open Source Windows

CCProxy

Want to share Internet connection? Get every computer online through a single Internet connection? Maximize the efficiency of your Internet access on a limited budget? Look no further! Get CCProxy, a small Internet sharing software! It...

Freemium Windows

FreeProxy

Feature summary from website: * Internet connection sharing with demand dialling * HTTP proxy, including FTP over HTTP * SOCKS5 * SMTP & POP email proxy * NNTP proxy * Outlook Express / Hotmail email...

Free Windows

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

3proxy

3Proxy tiny free proxy server is really tiny cross-platform (Win32/Win64&Unix) freeware proxy servers set. It includes HTTP proxy with HTTPS and FTP support...

Free Open Source Mac OS X Windows Linux BSD

Artica Proxy

Artica Proxy is an appliance that claim to manage Squid-cache proxy with all features that Squid Cache provides. With the Artica Web interface you can monitor, manage...

Free Open Source Linux

Lusca

lusca is a fork of the squid -2 development tree.

Free Open Source Windows Linux

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

JanaServer (Jana)

Http, Ftp, Gopher und Https Proxy. Mit Http- Email Server und Real Player Proxy. The JanaServer 2 is amongst other things a proxy server, that makes it possible for...

Free Personal Windows

SquidMan

SquidMan is a MacOS X graphical installer and manager for the Squid proxy cache. It is designed to operate as a "personal" proxy server. When you run Squid...

Free Mac OS X

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