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/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/chicio/katas

💪🏋️‍♂️ A collection of katas I did to hone my programming skills. 🏋️‍♂️💪

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https://github.com/anvell/either

Lightweight Either monad implementation

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https://github.com/smachave/some

`unless var.nil?` as a block

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

👂 An RxJS operator for real-time speech-to-text (STT/S2T) streaming using the IBM Watson.

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

Intuitive functional JavaScript try-catch

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https://github.com/mahmoudhanafy/scala-specialization

my solutions to assignments

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https://github.com/ramortegui/talks

Talks

absinthe-graphql absinthe-phoenix concurrent-programming ecto elixir functional-programming graphql otp phoenix-framework

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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/rxtoolkit/stt-aws

👂 RxJS operator for realtime speech-to-text (STT/S2T) using AWS Transcribe

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https://github.com/singuerinc/slot-machine

fun functional-programming machine react slot xstate

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

Solutions to Functional Programming in Scala

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https://github.com/joelburget/planetary

playing with programming languages again

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https://github.com/lucasamiranda/atividade-1

imersao-tecnicas-de-invasao-python(Bruno-Fraga)

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https://github.com/petitviolet/scala_fp_layered

functional layered architecture implementation example

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https://github.com/ajitjha393/sthalit

A library that mimics the concept of lazy evaluation, a feature found in functional programming languages like Haskell.

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https://github.com/mooreniemi/proc_compose

:musical_score: Proc#compose

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https://github.com/blakek/make-lookup

📒 Make a lookup object from an array of objects

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https://github.com/imrafaelmerino/jio

Jio is a powerful Java library designed to simplify and enhance input/output operations by leveraging the power of expressions and functions

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https://github.com/agapas/carousel

Image carousel with indicators, made with plain JavaScript

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https://github.com/akinozgen/alternatives

Some alternative implementations for common interfaces, classes etc.

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https://github.com/rxtoolkit/sgd

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

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https://github.com/murat/elixir-practices

Some Elixir practices for the newbies...

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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/gurbaaz27/cs350a-homework-exercises

functional, lambda-calculus and object-oriented programming homework assignments

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https://github.com/gavinhome/done-redux

A combined .Net7 state management framework.

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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/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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https://github.com/henriquelimas/sample-feed-pwa

🗞 A sample feed pwa

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https://github.com/miomit/jscalculator

calculator functional-programming html html5 js

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https://github.com/milaziabchenko/vanilla-javascript-playground

JavaScript theory and code snippets, using functional and OOP, prototypes, higher-order array methods, regular expressions, DOM, events, and asynchronous JS

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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/raiondesu/if-const

New word in javascript conditionals!

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https://github.com/jyothsnasrinivas/eta-android-interop

Utilities for interoperating with Android

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https://github.com/bertrand31/data-structures-javascript

Collection of data structures implemented in a functional fashion in JavaScript

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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/sigmasoldi3r/ts-option

Optional values for typescript

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https://github.com/kash1444/py_files

Here are some of my beginner codes to upskill my knowledge in python

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https://github.com/hamidhosen42/functional-banking-website-js

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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/deepcloudlabs/dcl165-2020-jan-02

Lab Projects studied in the training: DCL-165: Fundamentals of Scala Programming

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https://github.com/alvarogarcia7/2048-kotlin

Practiced OOP+FP creating a clone of the 2048 game

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https://github.com/thautwarm/xylearn

the way to fewer tasks and more convincing products.

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https://github.com/recursivelogic/haskell-bot

Haskell Discord bot for the FP Discord server

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https://github.com/darren277/haskell-blockchain

A simple blockchain written in Haskell along with a Haskell web server for interacting with it along with Postgres interactivity.

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https://github.com/ahlusar1989/spark2sfoverflow

StackOverFlow K-Means Analysis

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https://github.com/constantiner/sibylla

Asynchronous Promise based functional style utilities with full TypeScript support

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https://github.com/mhashim6/kotlinheroes

My solutions for some of KotlinHeroes' problems.

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https://github.com/davidboers/elmeither

Implements the Either declaration in Elm.

either elm functional-programming package

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https://github.com/woutervanbakel/try

Try class for C++

cpp cpp11 functional-programming try

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https://github.com/sash-ua/gen_drift_monad-ts_a4

The simple web application Modeling Genetic drift. Used: Angular4 + Angust+ TypeScript, Angular material, Rollup, D3, HammerJS, SCSS, Gulp, HTML5, CSS3.

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https://github.com/joebobmiles/joebobmiles

My user readme.

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https://github.com/imrafaelmerino/vertx-mongo-effect

Vertx-MongoDB-Effect enables interaction with MongoDB in a purely functional and reactive style, seamlessly integrating with Vertx-effect. This library requires familiarity with Vertx-effect, as both frameworks share a foundational reliance on immutability and persistent data structures provided by json-values.

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Last synced: 30 Apr 2026

https://github.com/rtorr/ts-fp

Typescript, eslint-plugin-fp, and vscode example

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https://github.com/qard/potentially

A maybe/option type implementation with separate derived types to reduce branching

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https://github.com/kczulko/astar

A* algorithm

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https://github.com/jaandrle/fpubsub

PubSub pattern library with types support

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https://github.com/sgbasaraner/aoc2018

my advent of code 2018 solutions

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https://github.com/chocolacula/donotcopyanalyser

Roslyn analyzer for prevention of copying certain data

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https://github.com/oniani/purity

A collection of various algorithms and data structures

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https://github.com/ethern-myth/javascript

OOP, Arrays and Objects and more

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https://github.com/al-ghaly/ruleengineusingscala

A Rule-Based discount calculating engine for a retail store. The engine reads transaction data, applies various discount rules based on the product, date, and other criteria, and writes the results back to a database.

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Last synced: 01 May 2026

https://github.com/mthadley/aoc2017

Advent of Code 2017

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Last synced: 08 Jun 2026

https://github.com/leovido/fp-casestudy-swift

Swift version of the original 13 ways of looking at a turtle in F# by Scott Wlaschin

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https://github.com/nshkrdotcom/gemini_cli_sdk

An Elixir SDK for the Gemini CLI — Build AI-powered applications with Google Gemini via a robust, idiomatic wrapper around the Gemini CLI. Features streaming, structured output, session management, model selection, and OTP supervision tree integration for production-grade Gemini-powered Elixir apps.

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Last synced: 01 May 2026

https://github.com/tricinel/cuddy

An aggregation pipeline built in a functional programming style that lets you search, group, order and transform a collection.

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Last synced: 01 May 2026

https://github.com/agapas/images-switcher

React app to switch images on toggle, on mouse hover or touch and by scrolling the page, made to practice React Hooks.

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https://github.com/ardywsptr/phpdasar

Materi PHP dasar playlist youtube channel Web Programming Unpas

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https://github.com/running-grass/grass-js

自用的js库

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https://github.com/quacksouls/jaf

Adventures in functional JavaScript

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https://github.com/lechindianer/fp-talk

Intro talk on functional programming

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Last synced: 01 May 2026

https://github.com/riiswa/scala2haskell

A detailed comparison between the programming languages language and Haskell by presenting equivalent code.

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Last synced: 01 May 2026

https://github.com/zhongzc/gparser

A naive parser combinator library

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Last synced: 02 May 2026

https://github.com/barcek/aqfr

run deeper | multipath piping | command-line tool | Elixir + Mix, w/ POSIX shell

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Last synced: 02 May 2026

https://github.com/JunggiKim/java-refined

Refinement and functional value types for Java 8+

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Last synced: 02 May 2026

https://github.com/guibrandt/persistentarray

Persistent array data structure in JS

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Last synced: 09 Jun 2026

https://github.com/gregros/dropin-geometry

Vector and complex math for graphics. Unfinished.

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Last synced: 03 May 2026

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

React

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Last synced: 03 May 2026

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

Functional Programming subject of @CMDA-TT

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https://github.com/reshiadavan/catena

simple, lightweight, actor-based distributed blockchain

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Last synced: 03 May 2026

https://github.com/arodriguezfontana/functional-programming-unq

Prácticas realizadas para Programación Funcional de la UNQ.

functional-programming

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https://github.com/armadacore/essentials

TypeScript essentials for explicit error and absence handling - Option, Result, typed Exceptions and optional Callbacks the compiler actually enforces.

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https://github.com/will-1-am/stanford

Stanford cs193p Spring 2020 course led by Paul Hegarty illustrating MVVM architecture, generics, functional programming using SwiftUI and Xcode. Homework assignments are included as separate git branches.

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https://github.com/lpld/real-world-haskell

Assignments from the book "Real World Haskell" (http://book.realworldhaskell.org/)

functional-programming haskell

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https://github.com/aayushyadavz/keeper-app-react

Created a Keeper App using React in which we can add our notes.

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https://github.com/plave0/pp

Programming paradigms course material.

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https://github.com/ryanhill1/command-line-checkers

Checkers with AI.

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Last synced: 09 Jun 2026

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.

functional-programming golang javascript python

Last synced: 05 May 2026

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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Last synced: 06 May 2026