Undum : A client side framework for hypertext interactive fiction games
Ponzu : Ponzu is a powerful and efficient open-source HTTP server framework and CMS. It provides automatic, free, and secure HTTP/2 over TLS (certificates obt...
Iron : Iron is a fast and flexible middleware-oriented server framework that provides a small but robust foundation for creating complex applications and RES...
LÖVE is a framework for making 2D games in the Lua programming language. LÖVE is totally free, and can be used in anything from friendly open-source hobby projects, to evil, closed-source commercial ones.