Apps similar to Apache Traffic Server include Privoxy, which is free and open source. Other options are Squid, Proxomitron, Polipo and Acrylic DNS Proxy. You can choose from more than 10 Proxy Services like Apache Traffic Server for Linux, Windows, Mac, iPad and self-hosting.
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 ads and other obnoxious Internet junk.
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. Squid has extensive access controls and makes a great server accelerator.
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.
United States
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. As Polipo has much more refined HTTP support, it doesnt impose the speed tax usually...
France
EU
Acrylic is a local DNS proxy for Windows which improves the performance of your computer by caching the responses coming from your DNS servers and helps you fight unwanted ads through a custom HOSTS file.
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!
China
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, SOCKSv4/SOCKSv4.5/SOCKSv5 proxy (socks/socks.exe), POP3 proxy, SMTP proxy, AIM/ICQ proxy (icqpr/icqpr.
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. Unfortunately it does not support SSL connections.
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 get is all the features of Standard license for 3 concurrent users.
New Zealand
ARTICA Proxy is an enterprise grade security appliance : web filtering (w/o SSL decryption), DNS Filtering, bandwith optimisation, easy ACL management, users authentication on LDAP or Active Directory (NTLM/Kerberos), deployment tools (such as proxy.
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Sweden
