Elixir is commonly used for building scalable web applications, real-time systems, APIs, and distributed applications, leveraging its concurrency model and fault tolerance.

Elixir is a versatile language that excels in various use cases, particularly due to its robust concurrency model and fault-tolerant design. One of the most prominent use cases for Elixir is in building scalable web applications, often utilizing the Phoenix framework. Phoenix allows developers to create high-performance web applications with features like real-time communication through Channels and a rich routing system. Additionally, Elixir's capabilities make it an excellent choice for developing real-time systems, such as chat applications, gaming servers, and collaborative tools, where responsive interactions are crucial. Another common use case is creating APIs, where Elixir's speed and concurrency help handle numerous requests efficiently. Furthermore, Elixir is well-suited for building distributed applications, thanks to its underlying BEAM architecture that simplifies process management and fault tolerance. Industries such as telecommunications, finance, and IoT often leverage Elixir for building reliable and maintainable systems that require high availability and scalability. Overall, Elixir's strengths make it an ideal choice for developers looking to create modern, responsive applications across a wide range of domains.