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...

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

Privoxy

Privoxy is a non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing...

Free Open Source Windows Linux

CacheGuard-OS

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

Commercial $ $ $ Windows VirtualBox VMware vSphere Hypervisor Microsoft Hyper-V Server Proxmox Virtual Environment

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. ...

• Discontinued Last version, 4.5, released on June 2003, is still downloadable from the official website

Free Windows

Karma Blocker

Karma Blocker is a lightweight ad blocker which is directed towards the more technically advanced users and gives great flexibility to block elements with its custom...

Free Open Source Mac Windows Linux Firefox

GlimmerBlocker

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

• Discontinued The project seems to be no longer developed. Last version, 1.6.6, released in September 2015, can be still downloaded from the official website.

Free Open Source Mac Safari

Better Pop Up Blocker

Better Pop Up Blocker improves the default pop up blockers for Google Chrome and Apple Safari by blocking pop up windows opened by javascript, & other annoyances...

Free Mac Windows Linux Chrome

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

Quero AdBlock IE

Quero AdBlock IE XML is an InPrivate Filtering XML-based Ad Blocker for Internet Explorer 8 and Quero AdBlock IE TPL is an ad blocking Tracking Protection List (TPL) for...

Free Windows Internet Explorer

NoAds

NoAds is an adblocking extension for the Opera web browser. Features: -- Blocking scripts from other domains that are 99% of cases are advertising. -- Blocking of...

Free Mac Windows Linux Opera

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 Linux Self-Hosted FreeBSD

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

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

Lusca

Lusca is a fork of the Squid -2 development tree.

• Discontinued

Free Open Source Windows Linux

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 Linux BSD