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: 2026-06-24 00:08:05 UTC
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https://github.com/ist-dsi/scala-designate-client

A pure functional Scala client for Openstack Designate implemented using Http4s client.

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Last synced: 09 Jun 2026

https://github.com/joelburget/planetary

playing with programming languages again

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https://github.com/zkfmapf123/express-template

node express server boiler-plate v2

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https://github.com/balazshevesi/yatzy

🎲 A yatzy game for the course "Introduction to programming" at LNU

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https://github.com/codingbeautydev/try-catch-fn

Intuitive functional JavaScript try-catch

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https://github.com/tejasbubane/reason-todo-old

Small todo app with reasonml

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https://github.com/rsachdeva/nodeedx-csv-json

node based csv to json - adding functional style with es6/es7 usage

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https://github.com/bohdanmoroziuk/booky

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🗞 A sample feed pwa

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Some Elixir practices for the newbies...

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📊 RxJS implementation of stochastic gradient descent (SGD) (classifier).

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Coursework of the Udacity Intermediate JavaScript Nanodegree

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PrimeFuncPack Dependency Registry is a library for .NET providing a dependency registrar intended for registering services, including dependency trees built by PrimeFuncPack Dependency, in the .NET dependency injection mechanism.

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Share notes web app.

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Bringing functional programming to C!

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https://github.com/jesperancinha/jeorg-kotlin-test-drives

Kotlin studies. Includes Project Arrow, Kotlin Coroutines, Flows and More

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https://github.com/jasonsbarr/liszt

A prototypal object oriented language that borrows heavily from functional programming concepts and languages

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https://github.com/calvinlfer/account-experiment

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https://github.com/darky/context-fp-go

Functional programming context for Golang

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https://github.com/rxtoolkit/utils

🛠️ RxJS operators for very common data transformation tasks

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https://github.com/afsalthaj/fp-generator

The library that solves all your data generation problem !

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https://github.com/kelvins/functional-programming-in-scala

Functional Programming in Scala

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

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https://github.com/deepcloudlabs/dcl113-2021-sep-16

DCL-113: Functional Programming in C++17

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https://github.com/varun93/functional-pogramming-scala

Solutions to Functional Programming in Scala

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

A simple, functional approach to React

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https://github.com/pbaille/parsing-combinators

exploring parsing combinators in scheme

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

Just learning how to structure ZIO programs

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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.

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https://github.com/mathemage/fup-programming-exam

Programming exams for B4B36FUP Functional Programming

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https://github.com/sekky61/rust-iterator-aoc

Advent of Code challanges solved using Rust's iterators and functional programming

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Functional approach with Ramda to solve the min-max kata

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

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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/benoid/rejoice-in-the-lambda

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

📄 함수형프로그래밍ES6+ Code

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https://github.com/jjteoh-thewebdev/html-canvas-snake

Nokia classic Snake game built with HTML Canvas

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https://github.com/mdb/funcy

A minimal Go package providing a few functional utilities.

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https://github.com/birdmod/adventofcode2017

My solutions in F#

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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/birdmod/acreader

A tool to browse anime by season and year based on Anilist API.

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https://github.com/qrailibs/functir

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

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https://github.com/a7mdfre7at/masterly.nonemptylist

A simple and lightweight implementation of a non-empty list in C#, inspired by Scala's List, that ensures a collection always has at least one item. This helps in reducing null-related bugs and ensures safe operations on collections with at least one element.

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https://github.com/palutz/littletyperstudygroup

The Little Typer study group London

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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/mhbxyz/fptk

Pragmatic functional programming helpers for Python.

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https://github.com/lordgoatius/comonad_rust

Attempt at encoding comonadic effects in Rust (inspired by @SheafificationOfG )

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

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DCL-113: Functional Programming in C++20

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💡 Collection of algorithmic exercises taken for fun from various sources

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🚿 Implementation of pipe expressions for Python.

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https://github.com/packquickly/little_lambda

Function composition, the un-Pythonic way!

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https://github.com/civilizeddev/functional-design-and-architecture-in-scala

Functional Design and Architecture in Scala

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

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

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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/guibrandt/higher-kt

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https://github.com/nidal-bakir/fp

Functional Programming using Dart language

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https://github.com/joaomilho/presentations

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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/martinmitchell05/tecprog_2025_public

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

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https://github.com/sami-ul-haq/xord-myreads

My Reads App For XORD Internship

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https://github.com/robertdober/testdrivingvim

Developping some common patterns in VimL, Test Driven.

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

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https://github.com/kubukoz/zio-demo

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

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https://github.com/teixdavide/FEUP_PFL_Parser

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please use ts-pattern instead

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https://github.com/thomasevano/tic-tac-toe-tdd-fp

A simple tic-tac-toe chore concept developed using test-driven-development and fonctional programming

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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/filiprd/monet

Online paintings retailer platform implemented in functional Scala 3

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https://github.com/drmarjanovic/msc

An example of using telemetry in a system built on microservices-based architecture.

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https://github.com/lazywithclass/fp

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Gendo Lang

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