Lapis ~= Moonscript + OpenResty, Lapis = OpenResty + loads of framework stuff to make development easier, as Leafo explained. You can use Moonscript, but you

Lapis ~= Moonscript + OpenResty, Lapis = OpenResty + loads of framework stuff to make development easier, as Leafo explained. You can use Moonscript, but you can also use pure Lua.