WProxy is a free proxy server program running in windows systems. WProxy is designed for sharing internet access to network clients.
Various proxy services: HTTP proxy, SOCKS, SMTP proxy, POP3 proxy.
Web cache: high performance web caching, supports up to 100GB cache storage.
User authentication: authenticate users with active directory or WFilter local users.
IP control: ip/network white and black list.
High performance: even faster than squid.