mitmproxy is a console tool that allows interactive examination and modification of HTTP traffic. It differs from mitmdump in that all flows are kept in memory, which means that it's intended for taking and manipulating small-ish samples. Use the ? shortcut key to view, context-sensitive documentation from any mitmproxy screen.
A SOCKS5/HTTP proxy that balances traffic between multiple internet connections.
High Performance non-blocking event based network loop using EPool on Linux, select on other OSes use of cheap co-routine to handle clients connections automatically adding threads to handle load peaks (threads are forking the redirectors programs) internal use of sockets as message parsing technique with the threads internal non-blocking DNS resolver (UDP and TCP messages integrated in the main loop) optional local DNS caching of records
This is the homepage of frox. It is a transparent ftp proxy which is released under the GPL. It optionally supports caching (either through an external http cache (eg. squid), or by maintaining a cache locally), and/or running a virus scanner, on downloaded files. It is written with security in mind, and in the default setup it runs as a non root user in a chroot jail.