Getting Started: Haxe

Haxe is a multiplatform open-source programming language, and can be compiled to many targets including ActionScript 3, C++. Javascript, PHP.

OpenFL is a popular game framework written in Haxe, and based on the Flash library. It allows for easy cross-platform development and also expansions via native extensions to allow access to unofficially supported features. OpenFL can target Flash, HTML5+JS, Android, iOS, Blackberry, Windows, Mac, Linux, and more.