Python on Mac - One of the up and coming cross platform programming languages, Python allows for rapid application modeling and prototyping while maintaining performance and an unparalleled extensibility allowing it to utilize native Apple Frameworks like WebKit etc. Cocoa / Objective C on Mac - Objective-C and Cocoa are the native programming language and frameworks for OS X on the Mac. Extremely powerful and extensible Objective-C and Cocoa provide high performance and wide support. AppleScript - Workflow and automation is fast and native with Apple's own AppleScript programming language which allows for rapid application development for workflow automation, video, image, and other repetitive processing without sacrificing power or speed.