Front End Framework
React is only concerned with state management and rendering that state to the DOM, so creating React applications usually requires the use of additional libraries for routing, as well as certain client-side functionality
It's simplify both the development and the testing of such applications by providing a framework for MVC and MVVM architectures, along with components commonly used in web applications and progressive web applications.
Backend End Framework
Backend frameworks are libraries of server-side programming languages that help build the backend structure of a website. Backend frameworks provide ready-made components for developing a dynamic web application.
The Spring Framework is an open-source application framework that provides infrastructure support for developing Java application. It will helps to create high performing web applications.
Laravel is a powerful framework that allows building web applications of any complexity. The framework has a set of outstanding tools that simplifies and automates the majority of web development tasks.
Express is the most popular Node web framework, and is the underlying library for a number of other popular Node web frameworks. It provides mechanisms to: Write handlers for requests with different HTTP verbs at different URL paths (routes)
Database is a place to store data, Back-end software running on the server that usually talks to a database and renders content to push to the front-end.
MongoDB is an open source NoSQL database management program. this tool can manage document oriented information, store or retrive information
PostgreSQL is an advanced, enterprise class open source relational database that supports both SQL and JSON querying. PostgreSQL is used as the primary data store or data warehouse.
Android development is a form of software development, specifically to creating applications for devices that run on the Android platform.
iOS development is the process of creating applications for Apple's mobile operating system, used by the iPhone and iPod Touch.
Flutter is Google's free and open-source UI framework for creating native mobile applications. Flutter allows developers to build mobile applications with a single codebase. This makes building both iOS and Android apps.