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: 2026-06-26 00:08:19 UTC
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https://github.com/oelin/hyper-reducer

A generalization of reduce() to arbitrary arity.

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

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

angular events functional-programming library

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https://github.com/anicolaspp/gnsource

Experimenta Lazy Streams for Go

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https://github.com/dboyliao/learnhaskell

Notes and codes for learning Haskell.

functional-programming

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https://github.com/kanitsharma/monad-fantasy

A collection of monads implemented in javascript

functional-programming javascript monads

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

Homework repo for functional programming

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https://github.com/kamranikramofficial/portfolio

A clean and responsive personal portfolio website built using HTML, CSS, and JavaScript. It showcases my skills, projects, education, and contact information.

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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/marinaa13/sat-solver-haskell

Functional SAT solver in Haskell implementing DPLL and CDCL strategies, with applications to the 3-coloring problem. Features lazy evaluation, clause learning, and non-chronological backtracking

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https://github.com/jccampagne/stuff

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https://github.com/martianoff/gala-acp

Transport-neutral Agent Communication Protocol for GALA: content-hash message identity, idempotent dedup, a delivery/liveness FSM, and a generic agent-run contract — with a Claude backend.

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https://github.com/gregros/naff

Client-side DOM swiss army knife and switchblade.

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https://github.com/maxbarsukov-itmo/functional-programming-0

🧪λ Функциональное программирование: Лабораторная работа №0

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https://github.com/rcardin/doobie-playground

Examples of some use cases of the doobie library

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https://github.com/blutorange/js-elbe

Utility for working with streams (iterables).

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

~ The pure functional Interpreter for NUMEX Language Based on Racket

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https://github.com/martinfrancois/java-optionals-skill

Help AI coding agents use Java Optional well in new code and cleanup, without replacing one antipattern with another.

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https://github.com/p7g/some-functional-functions

some haskell-wannabe functions in JS (typescript)

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https://github.com/shybyte/rusty-13-ways-of-looking-at-a-turtle

Thirteen different ways of implementing a LOGO-style turtle in Rust

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https://github.com/costineest/rpu

Reactive programming for UI (ReactJS mostly)

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https://github.com/corporatepiyush/clj

Clojure examples and tutorial

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https://github.com/meragix/calx

⏱️ A lightweight, immutable, and fully tree-shakeable date manipulation library for Dart & Flutter. Functional-first core with zero-allocation opt-in extensions.

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https://github.com/palutz/programmingreactivesystem_course

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

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

Limit the chaos while doing FP in JS

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https://github.com/codeconscious/unique-file-generator-fsharp

Create an arbitrary number of random, unique (by name and content) files.

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https://github.com/jtberglund/snowballr

A simple library for composing error messages

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https://github.com/kiquetal/fsharp-workout

Hands-on F# training — 6 hyperfocus sessions covering type-driven design, pipelines, pattern matching, domain modeling, async, and integration

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https://github.com/sigmasoldi3r/ts-option

Optional values for typescript

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https://github.com/clifftech123/ts_fun_practice

Collection of small and enjoyable functional programming exercises in TypeScrip

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https://github.com/guibrandt/persistentarray

Persistent array data structure in JS

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https://github.com/stuartdaniells/portfolio-website

React

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

Functional Programming subject of @CMDA-TT

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https://github.com/asarkar/hackerrank-fp-haskell

Functional Programming code challenges on HackerRank

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https://github.com/edwyng/ldp-haskell-draft-beers

Programa diseñado con programación funcional que permita determinar cuántos litros de cerveza deben agregarse entre los barriles para servir exactamente n vasos de cerveza desde cualquiera de las salidas.

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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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https://github.com/dictybase-docker/crusher

CLI tool for building OCI images, creating Crush sandbox containers, and packing Docker Sandbox agent kits — powered by fp-go functional programming combinators.

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https://github.com/amdjadouxx/pushswap-checker

A project to check your best pushswap instructions

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

Learn fxjs based on functional-programming concept

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https://github.com/plave0/pp

Programming paradigms course material.

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https://github.com/roshan-khandagale/marksheet-generator---django

Marksheet Generator is an Django based CRUD application which has all the functionalities related to CRUD operations.

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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/eoic/adventofcode2021

Advent of Code solutions in Elixir.

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https://github.com/ethern-myth/spring-postgres

Java SpringBoot PostgreSQL RestAPI

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https://github.com/fabiannorbertoescobar/lambdas-streams-java-ejercicios

Programación funcional en Java con Lambdas y Streams

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https://github.com/sderosiaux/zio-story

🎯 Interactive, gamified learning platform for mastering ZIO - Scala's powerful library for async and concurrent programming

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https://github.com/ildella/pipelean

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

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https://github.com/luismendes070/udemy

[UDEMY SEM DEMANDA 2023]

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

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https://github.com/simonwjackson/tetris.js

Tetris in pure JavaScript

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

Refactoring Legacy Code using FP

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https://github.com/yuriykravets/rockpaperscissors

Simple app from Kotlin - Head First book

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https://github.com/yeonsolkim/fp-lean-print

Print layout helpers for generating a Letter-size PDF of Functional Programming in Lean

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https://github.com/josewebdev2000/ztm-python-course

Challenges and Guided Projects from ZTM Python Course

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https://github.com/aygp-dr/lazy-weekends

A chill, 8-week Haskell learning journey designed for busy people who want to explore functional programming without the pressure.

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

Coding exercises in JavaScript.

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https://github.com/asarkar/thinking-functionally-with-haskell

https://www.amazon.com/Thinking-Functionally-Haskell-Richard-Bird/dp/1107452643

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https://github.com/rbaltrusch/stream.lua

A lazy iterator-chaining library for Lua similar to the Java Stream API

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https://github.com/d-plaindoux/promiseme.js

Monadic promise built on top of Promise/A+ specification

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https://github.com/bertrand31/exercicesalgo

💡 Collection of algorithmic exercises taken for fun from various sources

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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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Last synced: 19 Apr 2026

https://github.com/swirrl/functional-rap

Slides for 2nd half of the talk "The world won't let you RAP and what to do about it" held at DataConnect2022

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https://github.com/martinmitchell05/tecprog_2025_public

A repository with practice code about programming paradigms: Object Oriented - Functional - Logical

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https://github.com/seakayone/vavr-learning

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https://github.com/appsweet-co/ts-utils

Utility functions for TypeScript

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https://github.com/mansagroup/eslint-config

Sharable ESLint configurations for the coding standards and rules at Mansa.

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https://github.com/andrewbrennanfr/andrewbrennanfr

🪐 A personal bio for GitHub

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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/sheitak/funcprog2

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https://github.com/davidlee18/minihaskell

a little, functional, and lazy language

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https://github.com/mhbxyz/fptk

Pragmatic functional programming helpers for Python.

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https://github.com/hoishing/pipable

pipe operation in python

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https://github.com/latrovalievioan/fp-drill

I'm determined to learn what a Monad is!

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https://github.com/aygp-dr/fixed-point-explorer

Y combinator and fixed-point recursion exploration across Scheme dialects with formal verification

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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/ssi02014/js-functional-programming

📄 함수형프로그래밍ES6+ Code

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https://github.com/benoid/rejoice-in-the-lambda

A repository of useful Scheme procedures.

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https://github.com/wdalmut/min-max-kata-functional

Functional approach with Ramda to solve the min-max kata

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

Just learning how to structure ZIO programs

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https://github.com/leonardonicola/fp

Utility library for functional programming in Typescript

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

BSTU Functional Programming Labs

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

The design of the classic arcade game space invaders

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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/sharpmiind/erlang-1em

🛠️ Develop and test Erlang applications effortlessly with erlang-1em, simplifying deployment and enhancing productivity for developers.

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https://github.com/lazywithclass/fp

Notes I take while I study FP, and related subjects

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https://github.com/jack994/lambdacalculus_in_sml

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https://github.com/gekomad/fpinscala

Exercise solutions for "Functional Programming in Scala"

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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/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/forketyfork/learn-you-a-haskell

Code examples and exercises from the "Learn You a Haskell for Great Good!" book

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Last synced: 26 Feb 2026

https://github.com/th3n0m4d/functional-programming-meetup

Basic functional programming ideas illustrated with (the awesome) Ramda library.

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https://github.com/surjoyday/functional-procedural-objectoriented-programming

Code examples illustrating different programming paradigms: Object-Oriented Programming (OOP), Procedural Programming (PP), and Functional Programming (FP).

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Last synced: 14 Jun 2026