Machine code functions: Bit Wizardry

Exo-Javascript

Write AHK with JavaScript

AutoHotkey.py

Write AutoHotkey scripts in Python.

LibLua

Note: lua.ahk and lua_ahkfunctions.ahk can be found here

ActiveScript - Host VBScript and JScript in-process

Provides an interface to Active Scripting languages like VBScript and JScript, without relying on Microsoft's ScriptControl, which is not available to 64-bit programs