Minimal API for building GUIs
$ luarocks install --server=https://luarocks.org/dev lpugl
LPugl is a minimal portable Lua-API for building GUIs.
Currently there are two drawing backends available,
see packages "lpugl.cairo" and "lpugl.opengl".
Supported platforms: X11, Windows and Mac OS X.
LPugl is based on Pugl, a minimal portable API for embeddable GUIs,