Squid

Non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk.

Light-weight HTTP/HTTPS proxy daemon.

IPv4 over DNS tunnel solution, enabling you to start up a socks5 proxy listener.

Cross-platform real-time strategy game of ancient warfare.

Easy to use but advanced IP PBX system, VoIP gateway and conference server.

Very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.