Smile is a fully scriptable free AppleScript based working environment to develop user interfaces, automate tasks and enhance your personal productivity. It offers both a set of production technologies and a natural fashion of having them work together so that you produce faster and better, you automate frequent tasks and you control complex operations. The technologies available to Smile's users include: - an AppleScript editor with many scripting helpers, and unique AppleScript Terminal windows, - an editor of scripted interfaces, - a text editor for ASCII and Unicode, with a search-and-replace tool supporting Regular Expressions, - a XML editor, - a Regular Expression engine, - a XML and p-list engine, - a 2D graphic engine, where you program vectorial PDF graphics by script, - commands for driving industrial interfaces: RS232 serial communication, digital I/O, LED display.