Frameworks and libraries:

Angular
A JavaScript framework, or structure, for building more complex web applications. The library provides a number of features that make it essential to implement complex requirements of the present-day web applications, such as data binding, routing, and animations.

jQuery
A JavaScript library that makes it easy to add interactivity and animations to websites. Because of its light weight, this library is one of the most popular for creating an interactive web applications.

WordPress
Open source content full content management system (or CMS) written in PHP. It could be enhanced and customizes through widgets and plugins.

React
A JavaScript library for building component-based web applications. Because of its simplicity and good performance, it became one of the most popular for creating an interactive web applications.

NextJS
An open-source web development framework providing React-based web applications with server-side rendering and static website generation.

.NET