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Last updated 2017-08-09


Learn Elixir language for web development

Elixir is a dynamic, functional language designed for building scalable and maintainable applications.

Elixir leverages the Erlang VM, known for running low-latency, distributed and fault-tolerant systems, while also being successfully used in web development and the embedded software domain.

Platform features


All Elixir code runs inside lightweight threads of execution (called processes) that are isolated and exchange information via messages.

Processes are also able to communicate with other processes running on different machines in the same network. This provides the foundation for distribution, allowing developers to coordinate work across multiple nodes (horizontal scaling).


The unavoidable truth about software running in production is that things will go wrong. Even more when we take network, file systems, and other third-party resources into account.

Language features

Functional programming

Functional programming promotes a coding style that helps developers write code that is short, fast, and maintainable.

Extensibility and DSLs

Elixir has been designed to be extensible, letting developers naturally extend the language to particular domains, in order to increase their productivity.

Tooling features

A growing ecosystem

Elixir ships with a great set of tools to ease development. Mix is a build tool that allows you to easily create projects, manage tasks, run tests and more:

Mix is also able to manage dependencies and integrates nicely with the Hex package manager, which provides dependency resolution and the ability to remotely fetch packages.

Interactive development

Tools like IEx (Elixir’s interactive shell) are able to leverage many aspects of the language and platform to provide auto-complete, debugging tools, code reloading, as well as nicely formatted documentation:

Erlang compatible

Elixir runs on the Erlang VM giving developers complete access to Erlang’s ecosystem, used by companies like HerokuWhatsAppKlarnaBasho and many more to build distributed, fault-tolerant applications. An Elixir programmer can invoke any Erlang function with no runtime cost.

Learn more on https://elixir-lang.org/