tk

.tk is the Internet country code top-level domain (ccTLD) for Tokelau, a territory of New Zealand located in the South Pacific. Tokelau allows any individual to register domain names. Users and small businesses may register any number of domain names free of charge (with some restrictions).

Tk is a free and open-source, cross-platform widget toolkit that provides a library of basic elements of GUI widgets for building a graphical user interface (GUI) in many programming languages.