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: 2026-06-23 00:11:56 UTC
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https://github.com/dgame/php-iterator

functional-programming high-order iterator php

Last synced: 03 Sep 2025

https://github.com/spamegg1/spamegg1-lean

Working through Functional Programming in Lean

dependent-types formal-verification functional-programming lean lean4 math proofs

Last synced: 02 Jan 2026

https://github.com/1602/pure-ish

Side-effects manager for backend Javascript apps.

functional-programming side-effects state-machine state-management

Last synced: 21 Jul 2025

https://github.com/duskmoon314/meowth

A library which provides abstractions for functional programming in Rust. Inspired by Scala library cats.

category-theory functional-programming rust

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https://github.com/briandavidclark/ramuda

Functional programming helper library for PHP based on Ramda.js

functional-programming php ramda

Last synced: 17 May 2026

https://github.com/js-factory/router

An opinionated functional programming based routing module

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Last synced: 11 Apr 2026

https://github.com/diegovdc/trd

A function for composing, inspired by Clojure's thread macro.

clojure functional-programming thread-macro

Last synced: 12 May 2026

https://github.com/mna/luafn

Functional programming fundamentals for Lua. (mirror)

functional-programming lua mirror

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https://github.com/articulate/redux-functor

Functor middleware for redux

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https://github.com/gregros/kubeq

Irreponsibly powerful tool for querying your k8s cluster.

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https://github.com/battermann/algebraic-design-sample

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https://github.com/benji6/cataclysm

Functional programming utility library written in TypeScript

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https://github.com/modemobpsycho/python-course-s2

Solutions for the course. The topic of the course is "Python Generation course: a course for advanced". The topics covered in the course are listed in the repository topics.

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https://github.com/vitorsalgado/kotlin-fp

Playing with functional in Kotlin

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https://github.com/gosub/tegami

a naïve functional image generation library - my take on Conal Elliott's "Functional Images" paper

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https://github.com/boykush/atnos-eff-application-parts

Collection of effect parts by interest for applications using atnos-eff library

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https://github.com/abengl/ntt-project2-accountms

This Account microservice is part of a banking system designed to handle CRUD operations for banking accounts and transactions. It provides endpoints for creating, retrieving, updating, and deleting accounts, as well as managing transactions associated with each account.

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https://github.com/marcosh/fundic

PHP purely functional dependency injection container

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https://github.com/dinaraparanid/crosswordgenerator

Crossword worksheet generation app

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将哲学保存到每一个Lisp原子里面

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https://github.com/aweskybear/obs-disp

Create 0-coupling declarative event-bound components with functions and objects only

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https://github.com/alepop/curry

🍛 A curry function (another one)

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https://github.com/rxtoolkit/csv

🚰 RxJS operators for handling CSV data streams

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https://github.com/wayneseymour/vanilla-fp

Really just me learning FP in JS from Brian Lonsdorf and other sources. Not a lib, more like a playground.

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https://github.com/rxtoolkit/stt-deepspeech

👂 RxJS operator for speech-to-text using DeepSpeech

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https://github.com/yehzhang/yousort

Fluently sorts everything, you being the comparator.

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https://github.com/futtetennista/introductiontofunctionalprogramming

Solutions for the exercises in the "Introduction to Functional Programming" by Richard Bird and Philip Wadler

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https://github.com/asbhogal/javascript-algorithms-and-data-structures

Course notes for the JavaScript course provided by freeCodeCamp entitled 'JavaScript Algorithms and Data Structures.' Notes from activites and exercises will be pushed to this repo to serve as a 'bank' of resources and future reference.

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https://github.com/andimiller/munit-cats-effect-styles

Some Suites for munit-cats-effect

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https://github.com/wsrer/go-ramda

Functional lab Ramda (https://ramdajs.com) implements in Go.

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https://github.com/klausnat/adam_chlipala_certified_programming_with_dependent_types_exercises

COQ. Certified Programming with Dependent Types by Adam Chlipala. Exercises from the book. Solutions.

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https://github.com/davidchase/typed-future

typed-future experiments

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https://github.com/papirosko/scats

Useful scala classes in typescript

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https://github.com/kevindasilvas/newer

Newer is a haskell cli app to list and search for news using the currents api

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https://github.com/rxtoolkit/logs

🗒️ RxJS utilities for backend logging

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https://github.com/iepathos/premortem

Premortem for your app's config—finds all the ways it would die before it ever runs.

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https://github.com/iepathos/mindset

A zero-cost, effect-based state machine library for Rust.

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https://github.com/skailasa/haskell_practice

🌈 My haskell practice

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https://github.com/mateuszkubuszok/explainfplikerichardfeynman

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https://github.com/tonivade/purecfg

Pure Functional Configuration Library

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https://github.com/flintinatux/chipmunk

A messy functional library for Lua

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https://github.com/oelin/favl

A purely functional AVL tree implementation in JavaScript.

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https://github.com/erikbavenstrand/mandelbrot-visualization

Mandelbrot Visualization in Elixir.

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https://github.com/snowy1803/suffix-lang

A type-safe functional programming language using Reverse Polish Notation

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https://github.com/rxtoolkit/linear16

🎶 RxJS operators for streaming to/from LINEAR16 audio format

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https://github.com/alexhmelevski/ahfuture

Simple framework for asynchronous code in swift using Futures

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https://github.com/vmfmyot/kawa-interpreter

Compilation uni project about building an interpreter for a small object-oriented language

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https://github.com/domix/dmx-fun

This repository contains a collection of implementations and experiments exploring functional programming constructions in Java.

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https://github.com/isaqueveras/functional-language

Files that I will be creating during the Functional Language course at the Federal Faculty of Ceará.

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https://github.com/bsoptei/photonix

Solutions for functional optics.

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https://github.com/ngoc199/simple-koa-todo

fp functional-programming koa nx proof-of-work

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https://github.com/zio-archive/zio-distributed

The future home of ZIO Distributed!

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https://github.com/stardustdl/scheme-from-python

An experimental scheme interpreter in Python.

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https://github.com/vijayksingh/angular-recipies-cookbook

👨‍💻📚🐱‍💻🍴 Cook-Book For Angular Developers (Beginners to Advance Patterns)

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https://github.com/momomo/momomo.com.platform.lambda

Intuitive generics based functional interfaces with support for void, returns, multiple params and exceptions.

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https://github.com/michalspano/haskeww

λ Haskell, but no Ls. You call Haskell a toy academia language – I'll show you *real* software in it.

academia cool functional-programming haskell monad research

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https://github.com/baguilar6174/flutter-crypto-app

This application connects to coincap API to get cryptocurrency changes in real time, this project implements clean architecture for organization and freezed to use functional programming.

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https://github.com/andriystr/monapy

Python Library for declarative programming.

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https://github.com/shamansir/elm-fluxus

In Progress: A try to move http://pawfal.org/fluxus to Elm and WebGL

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https://github.com/henryhale/render-functions

♦ A basic implementation of render functions as used in modern JavaScript Frameworks.

functional-components functional-js functional-programming functional-reactive-programming h-function henryhale html html-css html-css-javascript javascript js render-functions rendering rendering-engine

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https://github.com/francomelandri/lib-tiny-fp

Tiny Functional Programming library for C++

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https://github.com/phrenotype/lambda

Converts functions to lambdas

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https://github.com/aartaka/lamber

A functional scripting language compiling to pure Lambda Calculus

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Last synced: 05 May 2026

https://github.com/taharachedi/math-game

🎮 Fun Math Game in C++ ➗✖️➕➖ Challenge yourself with math problems, track your score, and level up! 🏆

algorithms console-application console-game cpp enums functional-programming problem random-number-generators string-manipulation structure

Last synced: 20 Mar 2025

https://github.com/sopherapps/funml

A collection of utilities to help write python as though it were an ML-kind of functional language like OCaml

functional-programming pattern-matching python

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https://github.com/taharachedi/stone-paper-scissor

🎮 Fun Stone-Paper-Scissors game in C++ 🪨📄✂️ – Challenge the computer, track your wins, and enjoy the game! 🏆

algorithms console-game cpp enums functional-programming problem-solving random-number-generators structures

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https://github.com/rkoeninger/jenga

Basic stack language

concatenative functional-programming repl

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https://github.com/strangepleasures/matchmetender

Pattern matching for Java

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Last synced: 03 Jan 2026

https://github.com/rvarago/funktions

A small C++17 set of utilities for functional composition.

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

Find out the value of the cryptocurrency you want

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https://github.com/astrolabsoftware/astrolabsoftware.github.io

Website for AstroLab

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Last synced: 18 May 2026

https://github.com/ouerghi01/elixir-99-functional-mastery

A personal journey to master functional programming by solving the classic L-99 problems. No tutorials, no videos—just pure problem-solving and learning.

datastructures elixir elixir-lang functional-programming lsp problem-solving

Last synced: 22 May 2026

https://github.com/rakibhhridoy/imageprocessing

Large amount of image processing is quite messy and time consuming,thus the working steps should be fast as well as accurate also. I've made sequential functions that is needed for processing data in TensorFlow and python. These functions made my work fast as it needed in commercial purposes.

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Last synced: 08 Apr 2026

https://github.com/jaalonso/examenes_de_pf_con_haskell_vol9

Exámenes de programación funcional con Haskell. Vol. 9 (Curso 2017-18)

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https://github.com/jaalonso/examenes_de_pf_con_haskell_vol4

Exámenes de programación funcional con Haskell. Vol. 4 (Curso 2012-13)

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Exámenes de programación funcional con Haskell. Vol. 8 (Curso 2016-17)

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https://github.com/sarthakmakhija/fp-in-scala

Repository containing the solutions to the problems from Functional Programming in Scala

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https://github.com/delonnewman/atomjs

Clojure Atoms for Javascript. Shared, synchronous, independent state. A fork of https://github.com/cjohansen/js-atom.

atom clojure concurrency concurrent-programming functional functional-programming javascript javascript-library state synchronous

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https://github.com/hershal/fp-cli-ts

fp-cli rewrite

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https://github.com/vitorsalgado/nodejs-fx

Small functional utility library for JavaScript

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https://github.com/jaalonso/examenes_de_pf_con_haskell_vol3

Exámenes de programación funcional con Haskell. Vol. 3 (Curso 2011-12)

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Exámenes de programación funcional con Haskell. Vol. 7 (Curso 2015-16)

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https://github.com/adamouization/lambda-calculus-proofs

Short proofs about using the Lambda-Calculus as a Programming Language (2017)

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https://github.com/coderynx/functional

A simple .NET functional library

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https://github.com/alansastre/java-functional-advanced

Programación funcional en Java. Procesamiento de datos con la API Stream en Java. Interfaz funcional Comparator.

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https://github.com/jaalonso/examenes_de_pf_con_haskell_vol1

Exámenes de programación funcional con Haskell. Vol. 1 (Curso 2009-10)

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https://github.com/matejamaric/tinyc-in-go

A Go implementation of Marc Feeley's TinyC

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https://github.com/dominicburkart/funfun

Macros for working with closures in Rust.

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https://github.com/theskyinflames/dynamic

This is simple but powerful workflow data flow building library inspired by railway programming pattern and flow-based programming paradigm

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https://github.com/sergiocampbell/video-chat

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