Lusca has been discontinued. Similar apps include Proxomitron, which is free. Other options are Polipo, Acrylic DNS Proxy, TinyProxy and 3proxy. You can choose from more than 10 Proxy Services like Lusca for Windows, Linux and Mac.
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.
Tinyproxy is a light-weight HTTP/HTTPS proxy daemon for POSIX operating systems. It is free software, and supports transparent and reverse proxying.
United States
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.
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
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
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 of Safari and very often create problems when Apple releases a new version of Safari.
GermanyEU
SquidMan is a MacOS X graphical installer and manager for the Squid proxy cache. It is designed to operate as a "personal" proxy server.
Sweden
