Functional programming

In computer science, functional programming is a programming paradigm where programs are constructed by applying and composing functions. It is a declarative programming paradigm in which function definitions are trees of expressions that map values to other values, rather than a sequence of imperative statements which update the running state of the program.

GitHub: https://github.com/topics/functional-programming
Wikipedia: https://en.wikipedia.org/wiki/Functional_programming
Related Topics: oop, declarative-programming, procedural-programming, event-driven-programming,
Last updated: 2026-03-25 00:11:56 UTC
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https://github.com/dawidkopicki/reactive-shop

ReactJS + Functional programming

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https://github.com/jumpn/utils-promise

Promise Utilities

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https://github.com/nzrsky/funkobjc

Functional and typed extensions for ObjC 🚀

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https://github.com/birdmod/acreader

A tool to browse anime by season and year based on Anilist API.

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My solutions in F#

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Little Deep Learning framework in Racket

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https://github.com/mdb/funcy

A minimal Go package providing a few functional utilities.

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https://github.com/amillert/camodular

Ocaml interpreter (Sedlex tokenizer + Menhir parser) of modularized classes with two means of inheritance.

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Use of Generics in Swift language

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Programming exams for B4B36FUP Functional Programming

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React

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Gympass alike API

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https://github.com/milaziabchenko/minimo-website

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https://github.com/woutervanbakel/try

Try class for C++

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https://github.com/zhangchiqing/nnmap

Map a function over nullable value

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https://github.com/ethern-myth/javascript

OOP, Arrays and Objects and more

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Java SpringBoot PostgreSQL RestAPI

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https://github.com/kikytokamuro/futils

Functional utils

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https://github.com/oguzadali/thex

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https://github.com/blackwakhu/introduction-to-functional-programming

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https://github.com/abdullah-furkan/netcom

TCP/UDP Communication GUI. Written in C++ with Qt

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'Logical and Functional Programming' & 'Intelligent Systems' practices of courses in University of economics - Varna

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HyperSkill/JetBrains Academy project

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exploring parsing combinators in scheme

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My own solutions to 99 Scala Problems.

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Code from the Programming Reactive System in Scala course from Edx (EPFL)

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https://github.com/palutz/calculateseries

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https://github.com/danyst/iosfunctionaltable

Keepcoding Master Mobile Engineering Bootcamp - iOS Advanced - Functional programming exercise

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https://github.com/antwankakki/fct

functional cpp at compile time, the compiler turns to the perfectly slow interpreter XD

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Lambda Calculus implementations in 20+ programming languages: functional, imperative, and logic paradigms

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https://github.com/mehmet-github06/pokemon-app

If you want to revive your memories, you can look at the pokemon application.

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https://github.com/wafer-li/scala-coursera

The projects of Functional Programming in Scala

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https://github.com/niuiic/fx-flow

A functional library for TypeScript/JavaScript.

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https://github.com/fblupi/grado_informatica-ntp

Prácticas de la asignatura Nuevas Tecnologías de la Programación de la UGR

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https://github.com/draconware-dev/result.net

A lightweight, highly performant and very versatile Result<T, E> type implementation in C# and .Net

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https://github.com/unosd/unofs

UnoFS is a purely functional semantic file system implemented in F#

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https://github.com/timeless-residents/handson-elm

A hands-on guide for learning the Elm programming language through basic concepts and practical examples

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https://github.com/arufonsekun/nukes

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https://github.com/joshuaganter/go-functional

Iterative functions for functional programming in Go.

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https://github.com/foxfriends/svelte-io

IO monad for Svelte

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https://github.com/markehost/javascript-exercises

Coding exercises in JavaScript.

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https://github.com/theosorus/syntacticanalyzer

Build a simple Syntactic Analyzer in Haskell to discover Functional programming

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https://github.com/nthportal/euler-n-scala

Project Euler Solutions (in Scala)

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https://github.com/xodio/eslint-plugin-xod-fp

Limit the chaos while doing FP in JS

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Monads implementation by @rolangom

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https://github.com/sftsrv/parz

A simple parser combinator library

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https://github.com/lpld/real-world-haskell

Assignments from the book "Real World Haskell" (http://book.realworldhaskell.org/)

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Javascript applications with FP

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https://github.com/oniani/purity

A collection of various algorithms and data structures

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https://github.com/packquickly/little_lambda

Function composition, the un-Pythonic way!

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https://github.com/v-spassky/no-exceptions

🚨 Errors as values for Python.

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https://github.com/stackbuilders/refactoring-legacy-code

Refactoring Legacy Code using FP

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https://github.com/stackbuilders/functional-programming-patterns

Code snippets used during the presentation

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https://github.com/filiprd/monet

Online paintings retailer platform implemented in functional Scala 3

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https://github.com/elhostakosta/boot-dot-dev

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