Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
Moment.js is a free and open-source JavaScript library that removes the need to use the native JavaScript Date object directly.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.