WProxy

WProxy is a free proxy server program designed for sharing internet access to network computers.
Key Features:
1. Various proxy services: HTTP proxy, SOCKS, SMTP proxy, POP3 proxy.

2. Web cache: high performance web caching, supports up to 100GB cache storage.
3. User authentication: authenticate users with active directory or WFilter local users.
4. IP control: ip/network white and black list.
5. High performance: even faster than squid.