1C-Bitrix is a system of web project management, universal software for the creation, support and successful development of corporate websites and online stores.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
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.
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.