Node.js is a powerful JavaScript runtime used to build fast, scalable, and event-driven backend applications with non-blocking I/O, making it ideal for APIs, real-time systems, microservices, and high-performance web and mobile backends.

Express.js is a fast and minimalist Node.js framework for building scalable backend applications and RESTful APIs using flexible middleware, efficient routing, and lightweight architecture suited for modern web, mobile, and microservice-based systems.

JavaScript is a versatile backend programming language used to build scalable, event-driven, and high-performance server-side applications, enabling API development, real-time systems, and cloud-native services with asynchronous execution and broad ecosystem support.

Java is a mature and enterprise-grade backend programming language used to build secure, scalable, and high-performance server-side applications with strong typing, robust concurrency support, and proven reliability for large-scale business and enterprise systems.

PHP is a widely used server-side programming language for building dynamic, secure, and scalable web applications, powering APIs, content-driven platforms, and backend systems with strong database integration and mature ecosystem support.

Python is a versatile backend programming language used to build scalable, secure, and high-performance server-side applications, APIs, and data-driven systems with clean syntax, rapid development capabilities, and a rich ecosystem of libraries and frameworks.

Django is a high-level Python web framework for building secure, scalable, and maintainable backend applications with rapid development capabilities, built-in admin tools, strong ORM support, and proven architecture for production-grade web platforms.

Go is a high-performance backend programming language designed for building scalable, concurrent, and reliable server-side applications, APIs, and distributed systems with simple syntax, fast execution, and strong support for cloud-native architectures.

Spring Boot is a powerful Java framework for building production-ready backend applications and microservices with auto-configuration, embedded servers, and opinionated defaults that enable rapid development, scalability, and enterprise-grade reliability.

Laravel is a modern PHP framework for building secure, scalable, and maintainable backend applications with elegant syntax, powerful ORM, built-in authentication, and structured architecture designed for rapid development and long-term application stability.

Ruby on Rails is a mature web application framework for building secure, scalable, and maintainable backend systems using convention-over-configuration, rapid development practices, and a rich ecosystem that accelerates API and full-stack application delivery.

.NET MVC is a robust backend framework from Microsoft for building secure, scalable, and maintainable web applications using the Model-View-Controller pattern, strong typing, and tight integration with the .NET ecosystem for enterprise-grade development.

.NET Core is a modern, cross-platform backend framework from Microsoft for building high-performance, scalable, and cloud-ready web applications and APIs with modular architecture, strong typing, and seamless integration across modern infrastructure environments.