IO Ninja is a customizable software tool that combines a range of communication interfaces, including serial, TCP/UDP, SSH, and Windows named pipe terminals, as well as network sniffing and monitoring functions. Its scriptable capabilities enhance automation and other advanced features.

Out-of-the-box, IO Ninja comes with a serial terminal, TCP terminal for both client and server, UDP terminal with support for broadcast, SSH terminal, TCP proxy for man-in-the-middle-style monitoring, Windows named pipe terminal for both client and server, serial monitor, network sniffer, and Windows named pipe monitor.
The latest version of IO Ninja is highly efficient when it comes to handling binary data, with advanced features for editing binary packets before sending and displaying incoming and outgoing binary data in a communication log. Features such as a text editor with escape sequence support, modern hex editor that supports all UTF encodings, template packet editor, and various modes of binary data copy- provide a clean and single-sheet log for binary data display.
IO Ninja has a unique feature called "Session Linking" which allows users to create two sessions, configure them, and then link them together. Once the sessions are linked, all the data will pass-through from one end to another, enabling it to work as a universal redirector.
IO Ninja is also programmable using Jancy language, which makes it a universal IO debugger. With scripting, users can modify any standard session, write custom protocol analyzers and syntax highlighters, write testing utilities, and much more. IO Ninja also features an IDE that assists in exploring and making use of IO Ninja scripting.
Overall, IO Ninja has incredible features that make it an ideal software for network administrators, security experts and developers of communication software.
Version 3.6.0: N/A