Catakig is an emulator for the popular Apple II series of personal computers, supporting the Apple ][, ][+, //e, and //c models. The current version runs on PowerPC Macintoshes under MacOS X 10.3 and later, and on Intel Macs under MacOS X 10.4 and later.

Catakig is an open-source project, released under a BSD style of license. It is generally free for use (but please read the included license before distributing or modifying).