OpenFL is an open source mirror of the Flash API for Haxe. It is used in http://en.wikipedia.org/wiki/Stencyl

http://www.openfl.org/

Apart from these pages there is a number of examples available on GitHub (https://github.com/openfl/openfl-samples). Those examples can also be installed with the command:

openfl create [example project's name]

New projects can be created with:

lime create openfl:project [the project's name]

Documentation on OpenFL can be read at: http://www.openfl.org/documentation/ which also points to the API documentation: http://www.openfl.org/documentation/api/