Qi (pronounced "chee") may refer to any of the following:
1. Qi is an interface standard for devices with the ability to charge their batteries wirelessly. Power can be transferred from a special "Qi pad" to a Qi-compatible device using electromagnetic induction over a distance of up to 1.6 inches.
2. Qi is the name of a functional programming language released in April of 2005 that is similar to Lisp. The Qi language is metaprogrammable that allows the user to re-program components of the language itself. Here is "Hello, World" in Qi:
(output "Hello, World~%")
3.Qi may also refer to the Qi project, which aims to produce copyleft computing hardware; in essence applying the terms of the Free Software Foundation's GNU Greater Public License to computer hardware.