socks-proxy
A SOCKS proxy client and wrapper for Python.
Sans-I/O implementation of SOCKS4, SOCKS4A, and SOCKS5
scrape proxies from more than 5 different sources and check which ones are still alive
Rapid SSH Proxy
Tunneling TCP/UDP in WebSocket (ssh -D alternative)
pwn a bastion webserver and create SOCKS proxies through the DMZ. Pivot and pwn.