ProxyChecker - Only software, that downloads free proxy lists from network, and checks them.

Frequently updated list of proxy list URLs;
Fully automated proxy list download and checking;
Supported proxy protocols: SOCKS4, SOCKS4A, SOCKS5, HTTP (HTTPS), WinGate-Telnet;
GeoIP support;
Proxy reply speed checking (ping);
Simplicity in use.

Proxy-Pro Professional GateKeeper is a proxy server firewall that allows you to share, secure and accelerate your Internet connection.
Proxy-Pro Professional GateKeeper is the complete Internet Sharing solution for business and corporate use, allowing your company's network to access the Internet using a single Internet account, while also providing a high level of security and control.

Proxy+ is a firewall, proxy, and mail server designed to give the complete solution of shared access to the Internet from a LAN. This version is free for three users. Versions for five, ten, and unlimited users are also available, with prices ranging from $99 to $299. A free 31-day trial registration key for unlimited users is available as well.

Proxy Firewall is an automatic proxy selector that will simply and easily manage proxy connections for you. Proxy Firewall does all of the work. When using Proxy Firewall there is no need for you to configure your Internet programs to use a proxy, just answer Proxy Firewall's questions when asked.

HiProxy is a proxy support utility for Internet applications.
* easily change browser proxy settings in IE,Firefox,Opera,Mozilla
* verify HTTP and SOCKS proxy servers for anonymity, speed, tunneling
* import proxy lists from web pages or text files, exclusion list
* build and maintain proxy server lists (sort,color,country,comments,etc.)
* low memory and bandwidth consumption

Etlin HTTP Proxy Server for Windows that allows you to share a web connection. Multiple users on your local network can acess the web simultaneously by using the connected machine as their web proxy.Internet applications that support TCP connections through an HTTP tunnel can alsouse Etlin HTTP Proxy as their TCP proxy.Features: * Bandwidth limits. * Support for up-stream proxies. * HTTP 1.1 compliance. * HTTP tunnel support. * Proxy auth.

Eserv/2.99 - Mail, News, Web and Proxy Servers

- Mail Server (SMTP, IMAP4 and POP3)
- News Server (NNTP)
- Web Server (HTTP)
- FTP Server
- Proxy Servers (HTTP, FTP, Socks, etc)
- Finger Server
- Built-in scheduler and dialer

Proxy/Firewall for internet connection sharing. Advanced features useful for both business and home use. With support for access control and banner blocking, you have ultimate control of your connection. A fully customizable firewall protects you from hackers, and works seemlessly with the proxy. ComTun uses NAT to give clients a transparent connection to the Internet and includes HTTP caching proxy and authentication. Built-in DHCP server.

Check Proxy Professional (HTTP) Features:

1. Managing / checking HTTP proxy lists
2. Proxy list printing
3. Proxy anonymity level detection
4. Determines type of the proxy server (Anonymous/Transparent)
5. Determines speed of the proxy server
6. Determines Location (country) of the proxy server
7. Recognize different formats of proxy list (separated by colon, spaces, tabs, etc.)
8. Proxy finder (Proxy Hunter)
...

An open source, cross platform, secure, internet tunneling platform with file transfer, web server, remote admin, proxy, and load balancing. Enables connections through or around firewalls and across sub-networks. No installer is needed - the entire application is a single .EXE configured through an ASCII text file. Complete details at: http://www.UnitedBusinessTechnologies.com/FiveLoaves.html

HttpConnect 1.1 is a client/server application that allows you to access network resource across a company firewall. Especially those application that can not use proxy server or blocked by firewall.