NestJS vs. LoopBack 4: Which is best?

Choosing between NestJS and LoopBack for Node.js development involves understanding the distinct strengths of each framework and aligning them with project requirements. NestJS is a full-stack framework known for its scalability, maintainability, and TypeScript support, heavily influenced by Angular, making it popular for building efficient server-side applications. It is integrated with Express by default but can use alternatives like Fastify, and it excels in productivity due to its robust CLI and testing capabilities with SuperTest and Jest. In contrast, LoopBack is a microframework celebrated for its rapid API and microservice development, extensibility, and adherence to the OpenAPI standard. It offers strong support for TypeScript and is recognized for its ease in creating dynamic, end-to-end REST APIs, with automated testing facilitated by Mocha and Sinon.JS. Although NestJS has more GitHub stars, both frameworks are highly regarded for their innovative features, scalability, and community support, and the choice between them ultimately depends on specific project needs and developer preferences.