OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
PHP is a general-purpose scripting language used for web development.
RevolverMaps is a collection of real-time visitor statistics widgets for website or blog. Interactive visitor mappings to a globe rendered by the Revolver Engine.
Webnode is a drag-and-drop online website builder.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.