bore is a simple CLI tool for making tunnels to localhost
Scriptable data terminal which supports several interfaces.
A cross platform debugger for serial port/Bluetooth/TCP/UDP
Serial <-> TCP/IP, Serial <-> UDP/IP, TCP/IP <-> UDP/IP
Graphical SFTP client and terminal emulator with helpful utilities
Java SSH API
A WHOIS client written in Java (RFC #954)
Implementation of a telnet server in java using knock knock jokes.
A collection of network-oriented tools
ISeeWhatYouAreDoing - a tool for remote acces with very! low bandwith.