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/davidgfolch/spring-mongo-reactive

functional-programming reactor rest-api spring-reactive-mongodb spring-webflux

Last synced: 16 Mar 2025

https://github.com/davidgfolch/shop

Customer & order management

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https://github.com/rabestro/dicechess-engine-scala

High-performance parallelized Expectimax game engine and probability calculator for Dice Chess, written in Scala 3.

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https://github.com/neshkeev/avaj

Haskell influenced Category Theory patterns implemented in Java

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https://github.com/helins/fn.cpp

Pass around c++ fns and methods, get performance

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https://github.com/abdulaziz-hassan/cpu-cache-system_haskell

A successful implementation of a simplified CPU cache system in Haskell and takes advantage of the Functional Programming Paradigm

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https://github.com/davidmarne/functional_flutter

Tools for composing flutter widget trees in a functional manner.

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https://github.com/slowli/curry-chain

Chainable function currying

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https://github.com/kdungs/go-result

Result types for Go; because (T, error) can be considered a ✨ monad ✨.

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https://github.com/edysegura/js-functional

Functional JavaScript programming examples

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https://github.com/mrandl/satsolver

A toy functional and parallel SAT solver implementation in Scala

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https://github.com/arc-hugo/debt_calculator

Implementation project of an algorithm computing the max-flow of a flow graph and apply it in a debt calculator app.

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https://github.com/mmzk1526/haskell-blockchain-tutorial

A simple blockchain toy example

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https://github.com/fitter0happier/lambda_parser

Lambda Calculus parser

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https://github.com/rcardin/fp-scala

My solutions to exercises of "Functional Programming in Scala".

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https://github.com/wojwozniak/functional-programming-course

[uni] Functional Programming Course

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https://github.com/top-submissions/foundations-calculator

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https://github.com/sergiors/pyf

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Parallel Asynchronous Particle Swarm Optimization in Clojure

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https://github.com/xiel/outer-hooks

Powerful and composable hooks that work in Node & Browser.

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https://github.com/gsuaki/functional-spring-web

A Functional API using Spring WebMVC and Java 14

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https://github.com/ist-dsi/scala-openstack-common-clients

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https://github.com/skykanin/coding-test

Online coding test

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https://github.com/zx80live/gofp

Go for Scala developers

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https://github.com/matbesancon/pagerank

A functional, parallel PageRank implementation in Scala

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https://github.com/junaidzm13/sigma-calculus-interpreter

A sigma calculus based interpreter implemented using Haskell and related underlying programming concepts.

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https://github.com/etacassiopeia/datachefanalytics

ZIO, One Monad to rule them all !!!

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https://github.com/leejss/funtional-ts

It's a functional programming playground.

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https://github.com/dhruvjawalkar/ocpjavase17dev

Reference code files used during practice for newer features in Java SE 17, Lambdas, Functional Programming, Streams, Concurrency, Sealed Classes, LocalDateTime methods, Records ...

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https://github.com/thma/clean-architecture-with-functions

Clean Architecture in Haskell. Using higher order functions for 'dependency injection'

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https://github.com/ladroid/mathelogos

The Mathelogos library is designed to introduce functional programming constructs to Rust.

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https://github.com/michalzalecki/monadsjs

Ready to use monads in examples

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https://github.com/vickvey/complex_numbers

I have implemented Complex Numbers and some of the basic operations on them.

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https://github.com/seb-bizeul/fp-flow

Collection of algebraic data types to use with Flow

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https://github.com/paudirac/cassiopeia

A turtle, what else?

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https://github.com/firaja/identicon

Elixir implementation of Identicon

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https://github.com/valentindeaconu/terraform-provider-func

Supercharge Terraform with functional programming. 🚀

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https://github.com/federicobruzzone/setup-ocaml-project-with-dune

This repository provides a basic setup for an OCaml project with using Dune as the build system. It aims to provide a simple and straightforward structure for your OCaml project, allowing you to focus on writing code without the complexities of a build system.

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https://github.com/vgalvoso/phunctional-php

A functional programming PHP framework.

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https://github.com/mariomarton/racket-sudoku-solver

Sudoku solver in Racket for any board size (including hexadoku & larger), built without constraint solvers or mutations. It solves any legal puzzle and detects invalid ones.

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https://github.com/patrixr/capacitor.js

Functional utility method: a capacitor concept

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https://github.com/mstniy/computed.dart

A performant and flexible reactive programming framework for Dart

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https://github.com/05st/project-euler

My Haskell solutions for Project Euler problems.

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https://github.com/drag13/whendo

Small function that can be used instead if-then statement in functional style programming with JavaScript

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https://github.com/jordanblakey/ffjs

Lightweight, modular utility functions for arrays, browser, dates, strings, math, and more.

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https://github.com/julientoucoula17/big_data-training_with_scala

Training Scala 💥💥

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https://github.com/mrdimosthenis/creative-elm

Drawing creation in Elm

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https://github.com/jaalonso/logica-en-haskell

Desarrollo de la lógica con Haskell.

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https://github.com/filipbolt/hackerrank_functional

Haskell solutions hackerrank functional challenges

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https://github.com/dnlowman/result-ts

A minimal Result type for TypeScript.

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Differentiable Programming: Lisp deep learning by hylang

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https://github.com/yurkimus/functions

JavaScript-oriented utilities for functional programming

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https://github.com/ruferdz/cards

A simple card game to learn Elixir programming language 🃏

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https://github.com/khc-zhihao/packhouse

Packhouse is a function wrapper based on the concept of functional programming

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https://github.com/manuelelucchi/functional.jl

A simple Julia library to boost your functional code

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https://github.com/rubada/learn-python-professionally-part-one

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https://github.com/yurkimus/types

JavaScript-oriented type utilities

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https://github.com/steventimes/fpstreams

functional programming library for Python

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https://github.com/atomicptr/php-functional

A set of tools to enable a more functional style of programming in PHP, inspired by OCaml

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https://github.com/davestewart/collection-fns

A set of flexible, type-safe functions to manipulate arrays of models

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https://github.com/rudini/node_ports_adapters

Ports and adapter implementation of a restaurant reservation

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https://github.com/kaliv0/fumus

Functional musings in Python

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https://github.com/rxtoolkit/socketio

🚰 RxJS operators for working with Socket.io (v4 or lower) servers

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https://github.com/aganglada/reswitcher

🍭 Functional switch case for redux reducers

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https://github.com/olemb/livemidi

MIDI messages for Python

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https://github.com/tomsquest/mediathequeroubaix.py

Python CLI for the library of Roubaix (Médiathèque Roubaix)

functional-programming

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https://github.com/lucasbotang/made_up_programming_language

MUPL language interpreter implemented by Racket

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https://github.com/rieselhilfe/sofunlang

An Interpreter for my language "Sofun" (Stack-Oriented FUNctional programming language) written in haskell. Now with a basic type system.

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Last synced: 23 Mar 2026

https://github.com/javanile/boor

🐮 Use only if you hate good manners

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https://github.com/unosd/resultmonad

C# implementation of the result and other monads with query syntax support and extensions for Tasks and IEnumerable

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https://github.com/ica10888/advanced-java-note

从 java 开始，讲一讲函数式编程和计算机语言特性

functional-programming java

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https://github.com/mattdean1/functional-programming

Exercises in Agda

agda functional-programming proofs

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https://github.com/fantiga/github-query-react-ts

This is a demo of implementing GitHub repository search functionality with React and the GitHub REST API.

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https://github.com/ryosukedtomita/basic_algorithm_computer_science

basic algorithm example

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https://github.com/pranav-jadhav09/gitfinder

A GitFinder application to search GitHub users and view their repositories, followers, and more.

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https://github.com/abdull121/javascript-games-project

JavaScript-Games

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https://github.com/duruii/course-ucb-cs61a-spring2021

🪁Structure and Interpretation of Computer Programs, delivered by Paul N. Hilfinger & Pamela Fox

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https://github.com/raedaddala/advent-of-code

My solutions for Advent of Code starting from 2015

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https://github.com/hbarcelos/best-route

Finds the best (cheapest) route from a starting point towards a destination

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https://github.com/unacorbatanegra/tie_fp

FP opinionated in Flutter & Dart

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https://github.com/palutz/functionalscala_coursera

Functional programming in Scala Certification path (EPFL)

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https://github.com/arieljimenez/pybanca-front

Frontend for the app pyBanca

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https://github.com/alejogs4/church-encoding-javascript

Church encoding to represent typical programming structures on Javascript

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https://github.com/mollybeach/apetalie

Apetalie Javscript Web3 Application Function Methods Solidity

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https://github.com/bendomey/thinktank

Video/Audio Server

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https://github.com/baransu/sugar

Experimental, fuctional language for creating webapps

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https://github.com/didierofrivia/flipcards

Simple memory cards game written in Elm

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https://github.com/atticuskuhn/typescript-lens

lens library in typescript

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https://github.com/akabe/ocaml-js-boilerplate

A template repository for OCaml and JavaScript

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https://github.com/brettm12345/tailwind-generator

A cli for managing your tailwind setup complete with type generation. WIP

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https://github.com/gummif/endocpp

Modern C++ functional programming concepts library

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https://github.com/rizkimufrizal/docker-spring-cloud-gateway

This project was created to learn reactive programming, functional programming and custom api gateway with Spring Cloud Gateway

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Last synced: 29 Apr 2026

https://github.com/tbhvishal/js-toolbox

Lightweight JavaScript utilities toolkit: helpers, snippets, and productivity tools. ESM, Node.js, TypeScript-friendly, zero dependencies. Arrays, strings, dates, async, functional programming - perfect for beginners and pros

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