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: 2026-07-07 00:12:36 UTC
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https://github.com/otbivnoe/haskell-time

Functional programming seems really interesting. Change your imperative mind and take over the world!

functional-programming haskell

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https://github.com/nrissot/DPF-2024-BinaryTree

🐫 Code OCaml du projet de Programmation Fonctionnelle de L2S4

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https://github.com/mihailtd/functional-programming-comparison-go-js-python

Code examples for the Functional Programming Face-Off video on the Let's Talk Dev YouTube channel, comparing functional programming in Python, JavaScript, and Go.

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https://github.com/dimasmiftah/structuring

Structuring data from .txt file to JavaScript object literal using higher-order functions.

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https://github.com/alinpahontu2912/racket-supermarket

first homework for programming paradigms

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https://github.com/yisus82/fic-pf

Programación Funcional - Facultad de Informática de A Coruña

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https://github.com/it1shka/moonshine

Library providing common functional utilities for the Lua programming language. Development of the library is currently frozen

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https://github.com/nkcoder/bondi

Scala scripts with functional programming in Scala 3 (Cats Effect, ZIO, Skunk etc.)

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https://github.com/paulpdaniels/streamish

A simple Functional Reactive Streaming library

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https://github.com/denieler/angular-sequence-events

Sequential code and chained execution of events, handlers, etc.

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https://github.com/ignaciopieroni/functional-programming

We want to process a set of organizations from different industries to perform various queries about them using concepts from the functional paradigm. For each organization we know its name, website and other important fields. The main goal is to focus on modeling the data types and writing the necessary functions to perform the required analysis.

functional-programming haskell

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https://github.com/darren277/lisp-music-gen

A very basic melody generation tool written in Lisp. There is also Postgres interactivity.

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https://github.com/exbotanical/heuristics

Useful heuristics, type checks, and validation helpers for JavaScript and TypeScript

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https://github.com/kubepay/java-cs-to-enterprise

This repository acts as standalone or upcoming book for educating interested Computer Science students to Data Structures, Algoritms, Design Pattersn on Java 8.

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https://github.com/mahi97/numex-lang

~ The pure functional Interpreter for NUMEX Language Based on Racket

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Homebrew tap for idris2-pack (Idris 2 package manager)

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https://github.com/pixcai/hscheme

Write Yourself a Scheme in 48 Hours

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https://github.com/stephenombuya/spreadsheetapplication

A simple, interactive spreadsheet web application built using HTML, CSS, and JavaScript. This app allows users to create, modify, and organize data in a grid-like format, mimicking a basic spreadsheet interface.

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https://github.com/deepcloudlabs/dcl113-2023-aug-14

DCL-113: Functional Programming in C++20

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https://github.com/imdarshangk/functions

This repository contains various Python programs that demonstrate the use of functions with and without return values and arguments. The programs cover different mathematical operations and concepts.

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https://github.com/costineest/rpu

Reactive programming for UI (ReactJS mostly)

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https://github.com/r8vnhill/dibs

Curso sobre diseño e implementación de bibliotecas de software. Incluye sistemas de construcción, testing, OOP, genéricos, programación funcional y más, con Kotlin y Docusaurus.

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https://github.com/pfpack/pfpack-core-func

PrimeFuncPack Core.Func is a core library set for .NET consisting of functional interfaces (SAM interfaces) and the extensions targeted for use in functional programming. There are both asynchronous (Task and ValueTask based) and synchronous interfaces and the extensions in the set - IAsyncFunc/IAsyncValueFunc and IFunc.

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https://github.com/nshkrdotcom/elixir_dashboard

A Phoenix LiveView performance monitoring dashboard for tracking slow endpoints and database queries

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https://github.com/habu-kagumba/functional-programming-js

Javascript applications with FP

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https://github.com/zlovtnik/frontend

A TypeScript/Bun/React frontend application for the Actix Web REST API backend with JWT authentication, multi-tenant support, and comprehensive functional programming patterns.

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https://github.com/juthawong/jquery-oddeven.js

Simplify Even and Odd HTML DOM Element Stuff , Save Time and Make Coding Easier and Fun. Just for fun

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A simple parser combinator library

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

Project Euler Solutions (in Scala)

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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/mostfaayoussri/erlang-dw7

📊 Simplify data warehousing in Erlang with this efficient tool designed for seamless integration and analytics.

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The projects of Functional Programming in Scala

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Github default profile image generator written in elixir

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https://github.com/marcin-chwedczuk/fpinscala

My solutions to the exercises from "Functional Programming in Scala" book.

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https://github.com/eckelon/sanctuarycustomtypesexample

Easy example of how to define custom types with Sanctuary and using them in safe functions

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https://github.com/noor188/space-invaders

The design of the classic arcade game space invaders

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Ejercicios básicos para aprender conceptos de Gleam

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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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https://github.com/cianidos/simple_search_engine

HyperSkill/JetBrains Academy project

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https://github.com/catseye/sally

MIRROR of https://codeberg.org/catseye/Sally : A cute but naïve functional language - "upside-down Forth cake".

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https://github.com/pkarpovich/functional-programming-labs

BSTU Functional Programming Labs

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https://github.com/luizcalaca/ts-node-joi-api

Typescript API with Joi validations, Express.js and MySQL. The project has the main branch to show the solutions with functions and the change-oop-api-ts to show with Object oriented programming.

api-rest functional-programming joi-validation mysql2 nodejs oop oriented-object-programming programming typescript

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https://github.com/p2m2/p2m2tools

Development of bioinformatics tools/software related to P2M2 metabolomics platform activities

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https://github.com/didier/frontend-data

Functional Programming subject of @CMDA-TT

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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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https://github.com/zalbia/zio-structure

Just learning how to structure ZIO programs

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https://github.com/probably-not/elixir-basics

Code that I write while reading the book Learn Functional Programming With Elixir before starting to work at Spot.IM

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https://github.com/qrailibs/functir

✨ Functional programming library for JavaScript. Fully type-safe.

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https://github.com/dhruvsrikanth/climbingeverestgame

Climb the treacherous Mount Everest in this exciting text-based adventure game! A game through which you can experience a pure (Haskell) climb!

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https://github.com/emanuelcasco/utn-pdep-tp-haskell

Trabajo practico para el curso K2004 de Paradigmas de Programación

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https://github.com/gekomad/fpinscala

Exercise solutions for "Functional Programming in Scala"

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https://github.com/ssi02014/js-functional-programming

📄 함수형프로그래밍ES6+ Code

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https://github.com/divyanshu-rawat/a-react-game

A kuch bhi (Game) built using react.js

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https://github.com/Imtjl/fp-red-black-tree-dict

TreeDict - Implementation of Dict based on Red Black Tree in Elixir

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https://github.com/kanitsharma/io

Lightweight monadic abstraction to "purely" handle side effects in javascript.

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https://github.com/tsnobip/best-practices-and-fp

Programmations fonctionnelle et bonnes pratiques de développement logiciel

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https://github.com/jtberglund/snowballr

A simple library for composing error messages

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https://github.com/olhkyle/fxjs-verstenden

Learn fxjs based on functional-programming concept

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https://github.com/hoishing/pipable

pipe operation in python

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https://github.com/nerac/keyu

Key utilities that will simplify your work with Javascript

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A pragmatic library for sequential async operations with first-class error handling.

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https://github.com/palutz/calculateseries

A simple F# solution, with tests and console app to calculate a series of numbers

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🪐 A personal bio for GitHub

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https://github.com/nathaniyell/meta-js-course

A repository with details of the different Javascript concepts learnt in Meta's Javascript course on Coursera

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[UDEMY SEM DEMANDA 2023]

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Simple object to object dot notation converter in Node.js.

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

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https://github.com/suddi/node-object-to-object-mapper

NPM module to perform object to object mapping using reusable, composable filter functions (https://www.npmjs.com/package/object-to-object-mapper)

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https://github.com/manoelcampos/fp-projeto-1-poligonos-flatmap

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https://github.com/sanjp10/multimethod-dispatcher

Multimethod clojure like solution for python

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https://github.com/alanrma/scala-dynamic-programming

Some Leetcode DP solutions in Scala made by me

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https://github.com/lucashnss/if686-programming-languages-paradigms-functional

This repository is for lists, exercises, data structures and more in the programming-languages-paradigms course (IF686) in CIN-UFPE learning Haskell, a function language.

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https://github.com/youstinus/toolsgo

Tools with utilities, transformers, generators and other useful functions.

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Single Page Application with Elm Architecture

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https://github.com/anurag1101/the_perfect_guess

Perfect Guess is a simple number guessing game built with Python. Players try to guess a randomly generated number between 1 and 100, receiving feedback on whether their guesses are too high or too low. The game continues until the correct number is guessed, with an option to play again. Enjoy testing your guessing skills!

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