Free browsegate proxy software for windows

This is mostly useful for Unix/Linux machines, where the proxy settings are set by environment variables like http_proxy, https_proxy etc. (Konqueror has a similar feature -Use preset proxy environment variables).
This makes it easier for administrators to control the proxy settings for several applications (gaim, konqueror, firefox, thunderbird etc.)
The default environment variables used are
http_proxy
https_proxy
ftp_proxy
no_proxy
These defaults can be changed in the preferences of this extension. If any of the environment variables are found, they are set in the proxy settings and used, if not found, a direct internet connection is used.

System requirements:
-

The Serial Proxy application was designed to be a small tool for talking to an Arduino board from Flash or other programs.
It forwards data from a serial port to a network connection and vise-versa.
System requirements:
- Arduino board

Web Proxy Checker 1.55 offers you a speedy and free proxy checking software.

Major Features:

1. Check SOCKS4/SOCKS5/HTTP/HTTPS proxies with and without authentication. Format of proxies with authentication: proxy_user:proxy_pass@proxy_host:proxy_port. Format of proxies without authentication: proxy_host:proxy_port
2. Check for connect to the specified host:port .
3. Check for URL.
4. Load and combine proxies without checking .
5. Multithreaded.
6. Handle redirects.
7. Download proxy lists from the web.
8. Customizable User Agent.
9. Built-in proxy distribution web server .
10. Detect proxy country .
11. RBL (DNSBL) check .