Adguard

Adguard is an unique internet filter that removes ads, ad-trackers and blocks websites with viruses & malware.

Freemium Mac Windows iPhone Chrome OS Vivaldi Browser ... Chrome Safari Yandex.Browser Opera Firefox

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

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 Linux

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...

• Discontinued From the official website, "Polipo is obsolete. When it was first written, Polipo was probably the best HTTP proxy available. Since then, the web protocols have changed, and Polipo hasn't kept up — it has no support for HTTP/2.0 or the WebSocket protocol. Polipo will no longer be maintained."

Free Open Source Windows Linux

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

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

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

dnsmasq

Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP server. It is designed to provide DNS and, optionally, DHCP, to a small network. It can serve the...

Free Open Source Linux

Proximodo

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

Free Open Source 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

Pdnsd

pdnsd is a proxy DNS server with permanent caching (the cache contents are written to hard disk on exit) that is designed to cope with unreachable or down DNS servers...

Free Open Source Linux

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

Safari AdBlocker

Safari AdBlocker is the only 64-bit ad blocker built for Mac OS X 10.5+ to integrate directly into Safari, for minimum disruption to your browsing experience. Safari...

Free Open Source Mac

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