FP Languages

All Functional Programming languages in one list

Our comprehensive guide showcasing a diverse array of functional programming languages. Functional programming has gained significant traction in the world of software development, offering unique paradigms and tools for crafting robust and elegant solutions. In this page we list all functional programming languages and the companies that are using them.

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Agda

Agda

Agda is a cutting-edge dependently typed functional programming language designed for formal verification and advanced type-driven development. With its expressive type system, developers can ensure correctness by encoding precise specifications into the code itself. Agda’s emphasis on mathematical rigor makes it a powerful tool for building correct and reliable software, especially in safety-critical domains. Whether it’s formal proofs, interactive theorem proving, or pushing the boundaries of type-driven programming, Agda opens the door to a new realm of precision and confidence in software development.

Clojure

Clojure

Clojure, a dynamic, functional programming language that rejuvenates Lisp’s timeless elegance. Designed for concurrency and immutability, Clojure operates seamlessly on the Java Virtual Machine (JVM). With a minimalist syntax and emphasis on simplicity, it excels in data manipulation, parallelism, and interactive development. Clojure’s focus on immutability enhances reliability, making it a favorite for building scalable and robust applications.

ClojureScript

ClojureScript

ClojureScript, a sibling of Clojure, brings functional programming to the world of web development. Compiling down to JavaScript, it combines the power of Clojure’s functional paradigm with the flexibility of the browser environment. With immutable data structures and concise syntax, ClojureScript simplifies front-end development and enhances code reliability. Whether you’re creating interactive user interfaces or complex web applications, ClojureScript offers a refreshing approach to building robust and performant web solutions.

elixir

Elixir

Elixir, a dynamic, functional programming language built for crafting highly concurrent and fault-tolerant applications. Leveraging the battle-tested Erlang Virtual Machine (BEAM), Elixir offers a clear and expressive syntax inspired by Ruby. With lightweight processes, message passing, and fault tolerance mechanisms, Elixir simplifies building robust, scalable systems. Whether it’s real-time applications, distributed systems, or web development, Elixir empowers developers to create responsive and reliable software in the modern age.

elm

Elm

Elm, a functional programming language tailor-made for building elegant and reliable front-end web applications. With a focus on simplicity, Elm offers a strong type system and immutability by design, which helps eliminate runtime errors and enhances code stability. Its architecture promotes modular and maintainable code, making it a favorite among developers seeking to create interactive and scalable user interfaces. Whether you’re new to functional programming or a seasoned web developer, Elm provides a refreshing approach to crafting high-quality front-end experiences.

Erlang

Erlang

Erlang, a pioneering functional language, excels in building concurrent, fault-tolerant systems. Originating from Ericsson for telecom needs, it boasts lightweight processes and seamless multitasking. Its unique features include hot code swapping and distributed computing, ideal for real-time applications and fault-resilient systems.

F# F-Sharp

F#

F#, a functional-first language seamlessly integrated with the .NET ecosystem. Focusing on succinct, expressive code, F# combines functional programming’s power with object-oriented capabilities. Its concise syntax and robust type inference enhance productivity, making it an excellent choice for data manipulation, parallel programming, and web development. Whether you’re a .NET enthusiast or exploring functional paradigms, F# offers a versatile and modern language for diverse programming needs.

fable

Fable

Fable: Transpiling F# to JavaScript, it seamlessly blends functional programming with the JavaScript ecosystem. With concise syntax, strong type inference, and seamless interoperability, Fable empowers developers to build modern, scalable web applications. Whether you’re an F# expert or new to functional programming, Fable offers a versatile solution for frontend development.

Gleam

Gleam

Gleam is a statically typed functional programming language tailored for concurrent and distributed systems. With an emphasis on simplicity, safety, and performance, Gleam integrates seamlessly with the Erlang ecosystem. It offers modern language features like static typing and functional programming constructs, making it an ideal choice for building reliable and scalable software.

Idris

Idris

Idris is a functional programming language known for its emphasis on dependent types, enabling developers to write code with built-in correctness proofs. With Idris, programs become precise specifications, making it a powerful tool for building reliable and provably correct software. Its interactive development environment facilitates type-driven programming and formal verification, ensuring a higher level of confidence in code correctness. Whether it’s exploring cutting-edge research in programming languages or creating robust and certified software, Idris offers a unique platform for pushing the boundaries of verified programming.

Julia

Julia

Julia is a dynamic and high-performance programming language designed for scientific computing, data analysis, and numerical computations. Known for its speed and flexibility, Julia combines the ease of use of scripting languages with the performance of compiled languages. With its just-in-time (JIT) compilation and multiple dispatch, Julia excels in numerical simulations, machine learning, and complex data analysis tasks. Its vibrant ecosystem of packages and libraries empowers researchers and engineers to tackle intricate problems efficiently. Whether you’re exploring data or pushing the boundaries of computational science, Julia offers a powerful platform for high-performance computing.

Haskell

Haskell

Haskell, a functional programming language celebrated for its emphasis on purity and expressive elegance. Haskell’s strong type system and lazy evaluation enable developers to create intricate, reliable, and concise code. Originating from academia, it encourages a declarative programming style that fosters clear, mathematical-like expressions. With a vibrant community and a focus on correctness, Haskell empowers programmers to tackle complex problems while fostering code that’s both readable and dependable.

Kotlin

Kotlin

Kotlin is a versatile programming language that brings functional programming principles to the Java Virtual Machine (JVM) ecosystem. With a focus on conciseness and expressiveness, Kotlin offers modern language features that enhance productivity and code clarity. While Kotlin is primarily an object-oriented language, it embraces functional programming concepts such as higher-order functions, immutability, and extension functions. This enables developers to write cleaner, more maintainable code for a wide range of applications, including Android app development, backend services, and more. Whether you’re an Android developer or a JVM enthusiast, Kotlin provides a pragmatic approach to functional programming and modern software development.

Lisp

Lisp

Lisp, a pioneering functional programming language, has left an indelible mark on the world of software development. Characterized by its symbolic expressions and homoiconicity, Lisp empowers developers to treat code as data and data as code. Its minimalist syntax and dynamic nature offer unparalleled flexibility, making it a powerful tool for artificial intelligence, symbolic computation, and metaprogramming. With various dialects like Common Lisp, Scheme, and Clojure, Lisp continues to inspire and shape modern programming languages, fostering innovation and creativity.

ocaml

OCaml

OCaml, an influential functional programming language, stands out for its powerful type inference and expressive capabilities. Its combination of functional and imperative features makes it versatile, suitable for a wide range of applications. With strong static typing and pattern matching, OCaml enforces correctness and conciseness. It’s used in domains like systems programming, compiler development, and theorem proving. OCaml’s emphasis on performance and maintainability makes it a go-to choice for developers seeking a balance between elegance and efficiency.

PureScript

PureScript

PureScript, a strongly-typed functional programming language, unlocks the world of functional programming for JavaScript developers. Offering an expressive syntax and powerful type inference, PureScript compiles to highly efficient JavaScript code. With emphasis on immutability and composability, it’s an excellent choice for building robust and maintainable front-end applications. Whether you’re looking to enhance your JavaScript skills or dive into functional programming, PureScript provides a seamless bridge to a more elegant and reliable coding experience.

Racket

Racket

Racket is a unique and extensible programming language designed for language-oriented programming. It provides a powerful environment for creating new programming languages and exploring different paradigms. Formerly known as PLT Scheme, Racket is an evolution of the Scheme programming language, emphasizing abstraction and modularity. With a rich library of modules and a focus on language extensibility, Racket offers a playground for programmers to experiment, innovate, and create domain-specific languages. Whether you’re designing languages or building applications, Racket empowers you to mold the programming landscape to suit your needs.

reason

Reason/ReasonML

ReasonML is a statically typed functional programming language that compiles to JavaScript. Born from the OCaml family, it brings functional elegance and type safety to the world of front-end web development. With its expressive syntax and emphasis on immutability, ReasonML simplifies building reliable and performant web applications. It seamlessly integrates with existing JavaScript codebases, offering a gradual learning curve for developers transitioning to functional programming. Whether you’re crafting user interfaces or backend services, ReasonML provides a robust foundation for creating modern and dependable web solutions.

Roc Language

Roc

Roc, a fast, friendly, functional language.

Rust

Rust

Rust is a systems programming language that combines functional programming principles with a focus on safety and performance. With its ownership and borrowing system, Rust prevents common programming errors like null pointer references and data races, making it a reliable choice for building robust and secure software. While not strictly functional, Rust supports functional programming concepts like algebraic data types and pattern matching, closures, and immutability by default. It excels in low-level systems development, concurrent programming, and building efficient, reliable applications. Whether you’re creating high-performance software or diving into the world of systems programming, Rust offers a unique blend of functional and systems-oriented capabilities.

Scala

Scala

Scala, a versatile programming language, seamlessly combines object-oriented and functional paradigms. Running on the Java Virtual Machine (JVM), Scala offers a concise syntax and robust type system. Its functional features enable elegant code for concurrency and immutability, while its object-oriented side facilitates modular and extensible designs. Whether you’re building web applications, data processing pipelines, or concurrent systems, Scala’s flexibility makes it a powerful choice for a wide range of programming tasks.

Scheme

Scheme

Scheme, a minimalist and versatile functional programming language, embodies elegance and simplicity. Rooted in the Lisp family, Scheme emphasizes minimalistic syntax and powerful abstraction mechanisms. It encourages the use of recursive functions and supports first-class functions and closures. Scheme’s focus on minimalism and simplicity makes it an excellent choice for teaching programming concepts and experimenting with language design. Its clean and expressive nature makes it a favorite among developers seeking to explore functional programming principles and build concise and elegant solutions.

Standard ML

Standard ML (SML) is a statically typed functional programming language designed for rigorous software development. Known for its strong type system and pattern matching, SML offers a robust foundation for building reliable and maintainable code. It encourages a declarative programming style, enhancing code readability and correctness. With its roots in academic research, SML has found practical applications in domains such as compilers, theorem provers, and language implementation. Its focus on formal methods and correctness makes it a valuable tool for constructing software with a strong emphasis on quality.

Swift

Swift

Swift is a modern and versatile programming language developed by Apple, known for its performance and ease of use. While primarily an object-oriented language, Swift incorporates functional programming concepts that enable concise and expressive code. With first-class functions, closures, and advanced type inference, Swift empowers developers to write robust and elegant applications. Originally designed for iOS and macOS development, Swift’s functional features enhance concurrency, data manipulation, and code clarity. Whether you’re building mobile apps, server-side applications, or exploring new programming paradigms, Swift offers a versatile toolset for modern software development.