Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Google Analytics is a free web analytics service that tracks and reports website traffic.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Modernizr is a JavaScript library that detects the features available in a user's browser.
Open Graph is a protocol that is used to integrate any web page into the social graph.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
OWL Carousel is an enabled jQuery plugin that lets you create responsive carousel sliders.
Pinterest is an image sharing and social media service designed to enable saving and discovery of information.
Popper is a positioning engine, its purpose is to calculate the position of an element to make it possible to position it near a given reference element.
VK is a Russian online social media and social networking service.