Undum : A client side framework for hypertext interactive fiction games
Next.js : A minimalistic framework for server-rendered React applications
UIkit : A lightweight and modular front-end framework
for developing fast and powerful web interfaces.
AppJS : Build Desktop Applications for Linux, Mac and Windows using HTML, CSS and Javascript
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.