This presentation was given during the second Lightning Talk session at the Alfresco DevCon 2012 in San Jose. This briefly covered some languages that can be translated to JavaScript (TypeScript, Dart, ActionScript, CoffeeScript) and used for developing HTML5/JS web applications and mobile web apps. TypeScript seems to be the best choice. IDEs and editors currently supporting TypeScript were listed. My plans to support various Alfresco and CMIS things was covered: port CMIS Spaces and FlexSpaces from Flex/AS3 to TypeScript, TypeScript wrappers for AlfJS and CMIS.JS, additional Alfresco and CMIS TypeScript libraries, sample showing a Share dashlet, and a TypeScript definition file for intellisense / compile time type checking for Alfresco WebScripts.