High performance proxy server implemented by golang
Cloudflare Tunnel client (formerly Argo Tunnel)
An advanced, yet simple, tunneling/pivoting tool
A simple SSL/TLS proxy with mutual authentication
Nginx module for embedding Clojure or Java or Groovy programs
Anti-Spam SMTP Proxy Server implements multiple spam filters
Portable C library for proxy client support using standard SOCKETs.
Development framework based on message driven provided
Round Robin Proxy Relay
for delphi programmer to develop socket applications
A WHOIS client written in Java (RFC #954)
creates an extra socket for syslog (e.g. in a chroot jail)