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: 2026-07-02 00:11:57 UTC
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https://github.com/arikgershman/ocaml-intro-330

An introductory OCaml project focused on functional programming fundamentals, demonstrating proficiency in recursion, pattern matching, list operations, and higher-order abstractions (map/fold).

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Last synced: 09 Oct 2025

https://github.com/lotusirous/functional-pearls

Pearls of Functional Algorithm Design by Richard Bird - ocaml

functional-programming ocaml

Last synced: 09 Oct 2025

https://github.com/attack-monkey/react-fn

A simple, functional approach to React

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https://github.com/sevmardi/functional-design-in-java

Functional design in Java

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https://github.com/sourcevault/flyd-group-within

buffer flyd stream values within x millisecond

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

Just learning how to structure ZIO programs

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https://github.com/sae0-3/umss

Ingenieria en Informatica - UMSS

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https://github.com/biancodavide3/ultimate-java

The Ultimate Java Series of Courses from CodeWithMosh, from beginner to advanced topics

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https://github.com/rcardin/cats-effect-playground

A set of small projects to learn and to understand the cats-effect library

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https://github.com/mrgravity817/elastack

OTP stack server that pushes and pops

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https://github.com/barbixxxa/functional-programming-language

Disciplina de Linguagem de Programação Funcional com o Professor Luis Menezes - POLI/UPE 2016.2

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https://github.com/vevdokimovm/polymorphic-vector-cpp

C lab: runtime-polymorphic vector with generic Map and Filter higher-order functions

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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/rom-chik/kma_fp

Functional programming course on Haskell.

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https://github.com/carlossanabriam/csharp-basics

Some projects related to OOP, functional programming and parallel programming in C#

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https://github.com/filipondios/something

something functional

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https://github.com/saidali-ibn-zafar/hard-parts-of-functional-js-fundamentals

Explore the increasingly popular paradigm of functional programming in JavaScript! You’ll learn how to wield and manipulate functions to develop more readable, maintainable and manageable codebases. You’ll go under the hood of powerful techniques like: Higher Order Functions, Function Composition, Pure Functions, and Immutability of State.

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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/zeucxb/alura-functional-js

Curso de javascript funcional da Alura.

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https://github.com/tsheporamantso/oop-projects

These are practice projects on JavaScript Object Oriented Programming

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https://github.com/moonfloof/CMP6090

Functional Programming - University Coursework/Homework

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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/phantie/pipe-forward

A tiny functional composition utility for Python. It allows you to create pipelines of functions using the | operator. Similar to |> (pipe forward) operator in F#.

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https://github.com/andrewbrennanfr/andrewbrennanfr

🪐 A personal bio for GitHub

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https://github.com/fathisiddiqi/objek

Manipulate your object with simple functions

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https://github.com/zhangchiqing/nnmap

Map a function over nullable value

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https://github.com/otbivnoe/haskell-time

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

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https://github.com/alvarogarcia7/numerology-kata-java

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https://github.com/sgbasaraner/logical-hero

a command line logic game in common lisp

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https://github.com/gonturri/tp-tadp-hibrido-objetos-funcional

Trabajo práctico de asignatura técnicas avanzadas de programación de UTN donde el objetivo sumergirse en el paradigma hibrido de objetos y funcional

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https://github.com/deepcloudlabs/dcl120-2021-aug-19

DCL-120: Object-Oriented Programming Principles and Design Patterns

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https://github.com/mobiwn/programming-language-design

💻 Dive into a curated collection of programming language comparisons, exercises, and detailed slides in this repository for Urmia University students.

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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/dashkite/joy

The simplicity of Lodash with the functional flair of Rambda.

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https://github.com/joaomilho/presentations

Presentations throughout all these years

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https://github.com/nkcoder/byronbay

Playground for functional programming with Scala

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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/nkcoder/bondi

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

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https://github.com/j-christl/ocaml-utils

Some basic OCaml utility functions I will keep updating while learning functional programming

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https://github.com/isaac-alencar/turing_machine_simulation

Turin Machine simulation to add one bit to a binary number

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https://github.com/aryaghan-mutum/algorhythms

A curated collection of algorithm implementations.

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https://github.com/amaziahub/tunic

A minimal setup for a Kotlin application using Gradle

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https://github.com/panagiotiskotsorgios/cdsx.h

The Official C DataTypes Extended Library ==== CROSS PLATFORM LIBRARY ====

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https://github.com/tmartins11/progfuncional

Repositório para armazenar todos os projetos desenvolvidos na disciplina de Programação Funcional - BCC | UNIFAL.

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https://github.com/ashr123/exceptional-functions

A collection of functions that protect against unchecked Exceptions

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https://github.com/williamlsh/js-pandora

Practical challenging cases involved with algorithm, functional programming and interviews implemented with JavaScript

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https://github.com/dragos-tudor/frontend-routing

Rewritten React router library [functional principles].

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Last synced: 24 Apr 2026

https://github.com/hoetty/marble

A simple and compact functional programming language

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https://github.com/turbaszek/haskell-labs

Notes from lectures and Haskell code from labs.

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https://github.com/derektypist/build-a-spreadsheet

In this spreadsheet application project, learn about parsing and evaluating mathematical expressions, implementing spreadsheet functions, handling cell references, and creating interactive web interfaces.

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https://github.com/mp81ss/apply

apply function implementation for C language

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https://github.com/mdh266/poissondistributioninscala

Sampling From Poisson Distribution With A Functional Approach

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https://github.com/mrtkp9993/funcproggo

Functional Programming in Go.

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https://github.com/badeend/nothing

If you want to use `void` as a type parameter, but C# won't let you...

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https://github.com/programadorthi/the-joy-of-kotlin

The Joy of Kotlin book exercises

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https://github.com/chihaya-yuka/hackchat-haskell-bot

Hack.Chat's functional bot.

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https://github.com/asarkar/99-scala

S-99: Ninety-Nine Scala Problems

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https://github.com/ejgallego/imp-lab

Lean playground for programming language modeling tooling.

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https://github.com/georgiifirsov/patternmatching

Short header-only library that allows you to use pattern matching in C++. Written in pure standard C++14.

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https://github.com/aloussase/webcam

My personal webcam 😜💦

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https://github.com/abrarulhassan-786/javascript-practice

Practice of Js. Use loop,alert, array,slice etc

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https://github.com/dirtsimple/fun-factory

Fluently (and efficiently) compose PHP functions, methods, and lambda-expression strings

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https://github.com/abrarulhassan-786/datetimefunction

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https://github.com/francisbarton/adventofcode_2023

Built using Ella Kaye's template for an AoC website

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https://github.com/brettm12345/spatulafoods-product-tabs

A dire flow component for displaying product nutritional info, ingredients and cooking instructions on Spatula Foods

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https://github.com/matthewstyler/chain_lua

A small simple functional programming library for Lua

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https://github.com/bsgbryan/pug

A game engine targeted for procedural content coded in a functional style

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https://github.com/nikdon/15puzzle

Purely functional 15 puzzle

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https://github.com/jcaromiq/functional-programming-in-java

Functional programming in Java (https://pragprog.com/book/vsjava8/functional-programming-in-java) book practices

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https://github.com/robertdp/engineering-test-api

Minimalistic API made for an engineering test

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https://github.com/mtumilowicz/scala-optics-monocle-quicklens-workshop

Introduction to Optics (Lenses, Prisms etc) in Scala.

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https://github.com/viralpraxis/purist

Automatic runtime impure ruby methods invocation detection

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https://github.com/mattpolzin/mayberequired

This library introduces the Required and MaybeRequired types as companions to the built-in Optional type

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https://github.com/leostera/restruct

💾 Purely Functional and Compact Data Structures for ReasonML

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https://github.com/rolandtritsch/kotlin-aoc-2017

Porting scala-aoc-2017 to kotlin (to learn the language)

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https://github.com/suddi/knightwatcherbot

Bot API for customized Telegram alerts, developed for AWS Lambda and API Gateway (https://bot.suddi.io)

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https://github.com/john-science/sicp-racket

Working through the SICP Textbook in Racket Scheme

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https://github.com/imteekay/rachar-conta

A simple program to split bills with friends

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https://github.com/minoddein/the-vigener-cipher-and-the-feistel-network

The Vigener cipher, written as part of a laboratory work

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Template John the artist

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https://github.com/snowdutra/python_funcional

Aqui você vai encontrar todos os meus projetos em programação funcional em Python em andamento e concluídos. 😊

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https://github.com/mnishiguchi/elixir_practice

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https://github.com/petitgrizzlies/99problems

Solutions for 99 Problems with Erlang

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https://github.com/fr33m0nk/functional-programming-with-fp-ts

functional programming in typescript with fp-ts

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https://github.com/davidgfolch/schibstedwebapptest

Schibsted Webapp Test with com.sun.net.httpserver

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https://github.com/matheusphalves/functional-programming-paradigm

This repository will show to you how functional paradigm works in a feel examples: implementation of Data structures, high order functions and other functional functions.

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