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/articulate/progress

Cheap, functional, terminal progress bar

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Last synced: 16 Apr 2026

https://github.com/rcardin/reader-monad-kotlin

An implementation of the Reader Monad in Kotlin

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Last synced: 24 May 2026

https://github.com/meysam81/interpreter-for-numex

This project has to do with NUMEX (Number-Expression Programming Language). NUMEX programs are written directly in Racket by using the constructors defined by the structs defined

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Last synced: 14 Feb 2026

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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Last synced: 18 Apr 2026

https://github.com/sharpvik/mess

Simple and beautiful chat web app

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https://github.com/inblack67/elixir-fundamentals---udemy-course

elixir functional-programming

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https://github.com/suddi/node-object-to-object-mapper

NPM module to perform object to object mapping using reusable, composable filter functions (https://www.npmjs.com/package/object-to-object-mapper)

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https://github.com/bsgbryan/madul

Mädūl is the fun way to write functional code in TypeScript!

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https://github.com/grahamstrickland/functional_lean

Examples and exercises from "Functional Programming in Lean" - David Thrane Christiansen

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https://github.com/olegalexander/oa-utils

Statically typed Python utilities for functional programming.

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https://github.com/gummif/categories

Category theory definitions for the working programmer

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https://github.com/thoughtfool/c-h-a-z

Hello, C.H.a.Z. (Cyborgs, Humans, ampersand Zombies): A simple strategy game demonstrating how enemies can become potential allies, where the balance between forces can shift in/out of your favor. Enemy of my enemy is my friend!

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

DCL-235: Effective Java Programming

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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/sushantpt/understanding_delegates

Code snippets of "Delegates in C#"

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https://github.com/mrbrunelli/my-first-elm-app

My Fist App using Elm Lang

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https://github.com/stevenchen3/ragdoll

Learning Typelevel's Cats library

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https://github.com/vastavikadi/haskell

The language which will make you fall in love with Functional Programming

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https://github.com/Shohail-Ismail/Haskell-Texas-HoldEm

A Haskell implementation of Texas Hold'em created for my COM2108 (Functional Programming) module. This project includes a working Texas HoldEm Poker game with additional features such as predefined player strategies (random, passive, aggressive) and an option for human input to play the game.

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https://github.com/nshkrdotcom/gepa_ex

Elixir implementation of GEPA: LLM-driven evolutionary optimization using Pareto-efficient search for text-based systems. Features OpenAI/Gemini integration, BEAM concurrency, OTP supervision, 218 tests with 75% coverage.

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https://github.com/rudxain/fastlisp

This is not mine. It's an orphan fork

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https://github.com/touradbaba/habit_tracker

Habit Tracker app with python.

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https://github.com/pavelannin/monadic-kotlin

Monadic is a distributed multiplatform Kotlin framework that provides a way to write code from functional programming

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https://github.com/fforbeck/spreadsheet

Spreasheet Programming Challenge

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https://github.com/bertrand31/damysos

🌍 An experimental data structure allowing lightning-fast, constant-time lookups of large datasets for neighboring multi-dimensional points

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https://github.com/aliariff/fp19

Functional Programming Class - RWTH Aachen University

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https://github.com/tom-weatherhead/atrocity

A Scheme interpreter implemented in C.

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https://github.com/gcosta0410/y3s1-pfl-functional-and-logic-programming

Year: 3rd (BSc), Semester: 1st, Course: Functional and Logic Programming (PFL)

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https://github.com/thom2503/haskell-practicum

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https://github.com/haskyll/haskyll.github.io

Beginner's guide to Haskell

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https://github.com/rjdellecese/elm-ts

A porting to TypeScript featuring fp-ts, RxJS and React

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https://github.com/hoangtien2k3/reactor-core

Reactive programming with Project reactor-core

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https://github.com/franciscomsm/fp-in-js

Functional programming in JS - talk assets

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https://github.com/yuyuzha0/y-combinator-java

java version of y-combinator

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https://github.com/perty/elm-currency-adder

Accompaning code to "Fun with functional programming using Elm".

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https://github.com/tr-yasuda/kitsunejs

Type-safe Result and Option utilities for TypeScript, inspired by Rust. Safer error handling with a lightweight functional style.

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Personal Blog

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https://github.com/exbotanical/goldmund-sh-ii

Personal website :: Vue 3 | Go | Postgres | GraphQL

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https://github.com/separatrixxx/fp_labs_6_sem

👓 Laboratory work for the 6th semester of MAI on functional programming

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https://github.com/banghuazhao/swift-super-tiny-compiler

Swift implementation of The Super Tiny Compiler - transforms LISP syntax to Swift function calls

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https://github.com/github-dev12345/dom-manipulation-crud-operation-app

Finally i make a CRUD-Operation APP,😉😎 with the help of JavaScript, To learn the CRUD System ( Create, Read, Update, Delete), )

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

Wang Tiles generator in Ocaml

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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/wdalmut/kata-example-3

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

Lean playground for programming language modeling tooling.

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https://github.com/hoetty/marble

A simple and compact functional programming language

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https://github.com/moonfloof/cmp6090

Functional Programming - University Coursework/Homework

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https://github.com/rakibhhridoy/predictingsequence-timeseriesanalysis

Time series data easy handling purposes in TensorFlow and python functional programming. Time Series data is handled and pre-processed by different steps,like making window of the data,splitting data for model purpose is also different than other processing methods. All has combined for easy access.

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https://github.com/upi20/php_dasar

PHP Fundamental

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https://github.com/elm-athlete/setters-generators

Generate Setters from your Elm Field Names!

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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/ethern-myth/store-react

Shopping online store, react, .net core, postgresql

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https://github.com/maleksandar/pure-framework

Master Thesis work

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https://github.com/marcelo-gomj/windows-10-calculator

It's the Windows calculator made with pure HTML, CSS and JavaScript. I tried to apply some functional programming concepts.

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Last synced: 17 Apr 2026

https://github.com/aygp-dr/gemini-repl-006

Educational literate programming exercise: Use AI assistants to build a Clojure/Babashka REPL from org-mode specifications

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https://github.com/jul10l1r4/e-scan

Um simples escaner que varre todo o endereço de IP.

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Last synced: 30 Jul 2025

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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Last synced: 22 Jun 2026

https://github.com/catseye/deturgenchry

MIRROR of https://codeberg.org/catseye/Deturgenchry : An OO language where `self` is a continuation (sort of)

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Last synced: 05 Mar 2025

https://github.com/grahamstrickland/lpfp

Exercises and examples from "Learn Physics with Functional Programming" - Scott N. Walck

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Last synced: 03 Jan 2026

https://github.com/tonix-tuft/cartesian-composition

A higher order function to compose functions through cartesian composition.

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Last synced: 03 Feb 2026

https://github.com/minikin/github-swiftui

🦥GitHub meets SwiftUI

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Last synced: 18 Apr 2026

https://github.com/liteobject/demo.designpattern.monad

Demo monad design pattern with C#

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https://github.com/carloskvasir/exmon

Feito para aprender mais sobre elixir, seguindo o curso: https://www.udemy.com/course/elixir-e-phoenix-do-zero/

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https://github.com/mf42-dzh/transduction

Clojure's transducers in Scala.

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Last synced: 25 Apr 2026

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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Last synced: 04 Jun 2026

https://github.com/imhojeong/dive.js

Javascript는 정말 놀랍습니다!

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https://github.com/kaierikniermann/result-py

Small functional library with strict typing in python 3.14

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Last synced: 27 Jun 2026

https://github.com/yuriykravets/rockpaperscissors

Simple app from Kotlin - Head First book

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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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Last synced: 05 Apr 2026

https://github.com/unmango/go

Random Go crap

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Last synced: 05 Jun 2026

https://github.com/delonnewman/hash_delegator

Thread-safe immutable objects that provide delegation and basic validation to hashes.

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https://github.com/delonnewman/multiple-dispatch

An implementation of multiple dispatch for Ruby. Also known as generic-functions or multi-methods.

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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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Last synced: 20 Apr 2026

https://github.com/lorenzleutgeb/fp

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

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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/team846/code-2017

Code base for our 2017 robot - Punk Monkey

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https://github.com/react-declarative/cra-template-firebase-crm

The most advanced CRM Boilerplate for React + Firebase. Contains snippets for automatic state management in a declarative style

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https://github.com/martianoff/gala-team

Multi-agent Claude CLI orchestrator -- a Team Lead delegates to Engineers and QAs, reviews their work, and hands you a PR for sign-off. Written in GALA with gala_tui.

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