wtf do these Haxe repos do?

Popular Haxe repositories on GitHub, each decoded: what it actually does, its stack, and how to run it.

haxefoundation/haxeHaxe is a cross-platform programming language and compiler that converts one codebase into JavaScript, C++, C#
funkincrew/funkinFriday Night Funkin' is a popular rhythm battle game built in Haxe, playable free in browser or as a download,
inky03/impostorlegacypublicA fan-made Friday Night Funkin mod built around the Impostor character from Among Us, running on the Nightmare