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: 2026-06-30 00:12:00 UTC
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https://github.com/armadacore/fnt

A collection of utility functions to make your TypeScript code more robust and safer.

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Last synced: 08 Feb 2026

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/stevegilham/presentations

General technical talks

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https://github.com/icepanorama/learning-sml

A collection of small programs written as I'm refamiliarizing myself with Standard ML.

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https://github.com/leobenkel/laeta

Agnostic service registry with fully typed retrieval

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https://github.com/zpnst/lisp-lectures

My first steps in Common Lisp. Code from the lectures on YouTube with my comments

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https://github.com/kanitsharma/yieldtask

Make your data.task monads yieldable in redux sagas

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https://github.com/matheusfdosan/programacao-funcional

Uma explicação sobre Programação Funcional

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https://github.com/ohmic-guy/mnemosyne

An experimental Python library exploring persistent and versioned data structures.

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https://github.com/yeison0416/observable-catch-the-dot

🎯 A reactive browser game built with RxJS Observables. Practice event streams, state management, and DOM updates in real time.

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https://github.com/kimpro82/myfunctionalprogrammingpractice

Functional programming is definitely a devil's plot!

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https://github.com/skykanin/effects

An effects system based on freer monads in Idris

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https://github.com/gregros/z.ahk

Obsolete utility library for AHKv2

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https://github.com/genropy/smartswitch

Intelligent rule-based function dispatch for Python

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https://github.com/giljr/turbo-todos

Turbo Todos is a simple To-Do List application built with Rails 8 and Tailwind CSS. This app demonstrates the use of Turbo Streams for dynamic, real-time updates without requiring full-page reloads.

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https://github.com/unisay/freer

Reading "Freer Monads, More Extensible Effects" paper by Oleg Kiselev and translating it to Scala

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https://github.com/aditya-k93/fpinscala

Functional programming in Scala

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https://github.com/thedevtop/thedevtop.github.io

Personal Blog

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https://github.com/nesalia-inc/core

Zero-dependency monads for bulletproof TypeScript applications

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https://github.com/iosialectus/haskellcipherplay

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https://github.com/scalateams/scalateams-claude-plugin

Specialist Claude Code agents for the Scala ecosystem — ZIO, Pekko, Cats Effect, build tools, codecs, HTTP, databases, and testing.

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https://github.com/mqtth3w/paradigmilinguaggianalisidati-unipr

Paradigms and languages for data analysis (Haskell, Python, Rust). 2024.

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https://github.com/dominicegginton/functional-reader

A purely functional, dependency-free dependency injection library for TypeScript based on the Reader Monad.

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https://github.com/palutz/scalaexercises

Notes, code and worksheets from scala-exercises training (scala-exercises.org)

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https://github.com/skippia/starter-templates

Production-ready set of templates for smooth DX (Typescript / FP-TS / Nest.js)

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https://github.com/mearns/fp-try

A Try encapsulates the result of an operation that may have failed.

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https://github.com/lorenzleutgeb/fp

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https://github.com/rcardin/raise-scala-example

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https://github.com/slava0135/stg-example

Example Haskell program translated to STG and compiled to C

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https://github.com/bee-produced/bee-built

A collection of modular libraries tailor-made for Kotlin enthusiasts.

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https://github.com/wanjinyoo/csc330

Functional programming

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https://github.com/team846/code-2017

Code base for our 2017 robot - Punk Monkey

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

A simple samples applying functional programming with JS

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https://github.com/danieljharvey/website-face

Hakyll site for danieljharvey.github.io about mostly Haskell shit at the moment.

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https://github.com/rackspace/maybe-result

Safe handling of null and undefined in Typescript and Javascript

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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/chriniko13/scala-simple-tutorial

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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/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/bertrand31/data-structures-javascript

Collection of data structures implemented in a functional fashion in JavaScript

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

Optional values for typescript

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

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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/constantiner/sibylla

Asynchronous Promise based functional style utilities with full TypeScript support

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https://github.com/woutervanbakel/try

Try class for C++

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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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Last synced: 29 Apr 2026

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/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

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https://github.com/mthadley/aoc2017

Advent of Code 2017

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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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https://github.com/quacksouls/jaf

Adventures in functional JavaScript

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https://github.com/riiswa/scala2haskell

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

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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/stuartdaniells/portfolio-website

React

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Last synced: 03 May 2026

https://github.com/reshiadavan/catena

simple, lightweight, actor-based distributed blockchain

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Last synced: 03 May 2026

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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Last synced: 04 May 2026

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/ryanhill1/command-line-checkers

Checkers with AI.

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

Java SpringBoot PostgreSQL RestAPI

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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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Last synced: 07 May 2026

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/aayushyadavz/todo-app-react

Built a ToDo App using React JS.

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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/faylina/witching_hour_chronicles

A witchy blog that utilizes PHP

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https://github.com/dotpep/restaurant-api

Restaurant API using DRF, with Authentication, Menu, Cart and Order management systems and etc.

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Last synced: 11 May 2026

https://github.com/those-otter-programs/functional_interface_bean_mapper

Sampling the use of functional interfaces to create bean mappers.

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https://github.com/mateogiuffra/estrd2024s1

trabajos prácticos realizados en la materia Estructura de Datos de la Universidad Nacional de Quilmes (UNQ)

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https://github.com/alex-aralis/yank-down

Yank a curried parameter down to be the first argument passed.

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https://github.com/brunomontezano/r-workshop-intermediario

📚 Course material for the R Intermediate workshop. The website and all presentations are in Brazilian Portuguese.

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https://github.com/milaziabchenko/custom-music-player-with-dropdown-select

Custom music player coupled with custom-made dropdown select, built with HTML, CSS, and JavaScript, combining FP and OOP approaches, and using the Web Audio API functionality

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Last synced: 13 May 2026

https://github.com/dboyliao/learnhaskell

Notes and codes for learning Haskell.

functional-programming

Last synced: 13 May 2026

https://github.com/talesitf/hookinator

Servidor assíncrono de webhooks em OCaml, com foco em programação funcional, modularidade e arquitetura reativa.

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Last synced: 14 May 2026

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

Functional Programming code challenges on HackerRank

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Last synced: 13 Jun 2026

https://github.com/saber2pr/fp

:heavy_minus_sign: A library for Javascript in functional programing in async | sync | lazy.

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https://github.com/rockofox/servant-miso-starter

A minimal Nix-first template for a full-stack Haskell app

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https://github.com/guiromao/some-functional-programming-java

Some functional programming (main Java interfaces for such)

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https://github.com/deepcloudlabs/dcl235-2022-aug-09

DCL-235: Effective Java Programming

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https://github.com/sblack4/functional-programming-in-scala

https://www.coursera.org/specializations/scala

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https://github.com/lmarzocchetti/wangtiles-ml

Wang Tiles generator in Ocaml

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https://github.com/marinaa13/pairing-heaps-racket

Functional implementation of pairing heaps and their applications in Racket, including sorting, movie ranking, and stream-based median computation, using recursion, higher-order functions, and pure functional design

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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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