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: 2026-07-05 00:08:24 UTC
- JSON Representation
https://github.com/lagenorhynque/grokking-functional-programming
Study notes on 『なっとく!関数型プログラミング』(Grokking Functional Programming)
clojure functional-programming haskell
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https://github.com/fabiannorbertoescobar/lambdas-streams-java-ejercicios
Programación funcional en Java con Lambdas y Streams
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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/palutz/littletyperstudygroup
The Little Typer study group London
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https://github.com/redradix/kata-fp
Kata to practice functional programming with Ramda
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https://github.com/quacksouls/jaf
Adventures in functional JavaScript
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https://github.com/pkarpovich/functional-programming-labs
BSTU Functional Programming Labs
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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/mrcfps/functional-programming-in-scala
Scala course programming exercises from Coursera.
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https://github.com/v-spassky/drainage
🚿 Implementation of pipe expressions for Python.
functional-programming pipe python
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https://github.com/jonaskromer/blackjack
Blackjack implemented using scala providing a tui and gui
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https://github.com/attack-monkey/react-fn
A simple, functional approach to React
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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
Desarrollo de un Parser para interpretar imágenes realizado en la materia Técnicas Avanzadas de Programación en UTN FRBA
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https://github.com/minericefield/vue-ramda-ts-playground
functional-programming ramda typescript vue vue3
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https://github.com/guibrandt/higher-kt
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annotation-processor category-theory code-generation functional-programming higher-kinded-types kotlin typeclasses
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https://github.com/zalbia/zio-structure
Just learning how to structure ZIO programs
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https://github.com/nidal-bakir/fp
Functional Programming using Dart language
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https://github.com/zhongzc/gparser
A naive parser combinator library
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https://github.com/d-plaindoux/promiseme.js
Monadic promise built on top of Promise/A+ specification
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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/emanuelcasco/research-haskell-practise
Repositorio creado para hacer seguimiento y backup de los temas vistos sobre el paradigma funcional (en Haskell) de la materia "Paradigmas de programación" de la UTN
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https://github.com/emanuelcasco/utn-pdep-tp-haskell
Trabajo practico para el curso K2004 de Paradigmas de Programación
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https://github.com/wdalmut/min-max-kata-functional
Functional approach with Ramda to solve the min-max kata
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https://github.com/gekomad/fpinscala
Exercise solutions for "Functional Programming in Scala"
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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/guibrandt/persistentarray
Persistent array data structure in JS
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https://github.com/benoid/rejoice-in-the-lambda
A repository of useful Scheme procedures.
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https://github.com/plmuninn/scala-simple-validation
Scala simple validation library
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https://github.com/rom-chik/kma_fp
Functional programming course on Haskell.
functional-programming ghci haskell
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https://github.com/ssi02014/js-functional-programming
📄 함수형프로그래밍ES6+ Code
es6 functional-programming javascript
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https://github.com/min-thway-htut/programming-with-javascript
Lessons from Meta certification
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https://github.com/teixdavide/FEUP_PFL_Parser
λ | Low-level machine interpreter and compiler project, including stack management, parsing, and compiling imperative programs
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https://github.com/olivier-boudeville/ceylan-curry
Curry: a Haskell Cookbook
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https://github.com/fullstackjavadevelopercommunity/java8program
Core Java 8 Programs
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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/tsnobip/best-practices-and-fp
Programmations fonctionnelle et bonnes pratiques de développement logiciel
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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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Last synced: 01 Apr 2025
https://github.com/aleksandarskrbic/functional-rest-api-example
Purely Functional REST API showcase application
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https://github.com/hyperifyio/gnd
Gendo Lang
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https://github.com/hoishing/pipable
pipe operation in python
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https://github.com/Imtjl/fp-red-black-tree-dict
TreeDict - Implementation of Dict based on Red Black Tree in Elixir
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https://github.com/stephenjfox/calculator-http4k
Practicing in public 1. Kotlin 2. Web Server development 3. TDD 4. Functional-Programming Systems Design
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React
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https://github.com/mhbxyz/fptk
Pragmatic functional programming helpers for Python.
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https://github.com/tolikpylypchuk/hs-bowling
A library which calculates a bowling score, written in Haskell
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https://github.com/kanitsharma/io
Lightweight monadic abstraction to "purely" handle side effects in javascript.
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https://github.com/andrewbrennanfr/andrewbrennanfr
🪐 A personal bio for GitHub
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https://github.com/seakayone/vavr-learning
functional-programming java java11 vavr
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https://github.com/kanitsharma/monad-fantasy
A collection of monads implemented in javascript
functional-programming javascript monads
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https://github.com/fathisiddiqi/objek
Manipulate your object with simple functions
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https://github.com/reshiadavan/catena
simple, lightweight, actor-based distributed blockchain
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https://github.com/bertrand31/exercicesalgo
💡 Collection of algorithmic exercises taken for fun from various sources
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https://github.com/int64ago/mutate
Modify object and return immutable object.
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https://github.com/palutz/programmingreactivesystem_course
Code from the Programming Reactive System in Scala course from Edx (EPFL)
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https://github.com/didierfranc/sweetch
Switch as a function
functional-programming javascript reactjs switch typescript
Last synced: 12 Apr 2026
https://github.com/manik2000/pricer
Option pricing application written in F# and C#.
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Last synced: 12 Jun 2025
https://github.com/foncki/functional-programming
This repository hosts the "Goodies To Go (G2G)" project, an F#-based online ordering system for a canteen, demonstrating domain modeling and basic functionalities.
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https://github.com/sgbasaraner/logical-hero
a command line logic game in common lisp
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https://github.com/jtberglund/snowballr
A simple library for composing error messages
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https://github.com/olhkyle/fxjs-verstenden
Learn fxjs based on functional-programming concept
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Last synced: 16 Mar 2025
https://github.com/deepcloudlabs/dcl120-2021-aug-19
DCL-120: Object-Oriented Programming Principles and Design Patterns
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Last synced: 29 Jan 2026
https://github.com/lpld/real-world-haskell
Assignments from the book "Real World Haskell" (http://book.realworldhaskell.org/)
functional-programming haskell
Last synced: 09 Jun 2026
https://github.com/jwalsh/simulacra-scheme
Implementation of Jean Baudrillard's simulacra concepts in Guile Scheme, with social media simulation example and visual representations
baudrillard functional-programming guile philosophy scheme simulacra visualization
Last synced: 06 Feb 2026
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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Last synced: 29 Jan 2026
https://github.com/mode89/fdtrie-js
Persistent data structures with fast diff
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Last synced: 16 Jan 2026
https://github.com/nerac/keyu
Key utilities that will simplify your work with Javascript
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Last synced: 18 Jan 2026
https://github.com/scmorrison/perl6-fp-notes
Notes on functional programing techniques with Perl 6
Last synced: 03 Jul 2025
https://github.com/joaomilho/presentations
Presentations throughout all these years
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https://github.com/appsweet-co/ts-utils
Utility functions for TypeScript
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Last synced: 15 Apr 2026
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Tetris in pure JavaScript
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Last synced: 01 Apr 2025
https://github.com/mansagroup/eslint-config
Sharable ESLint configurations for the coding standards and rules at Mansa.
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Last synced: 15 Apr 2026
https://github.com/palutz/calculateseries
A simple F# solution, with tests and console app to calculate a series of numbers
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https://github.com/matt-mcmahon/functional
A learning-friendly functional library with a focus on clear source-code and readable function signatures.
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https://github.com/abrarulhassan-hub/javascript-practice
Practice of Js. Use loop,alert, array,slice etc
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https://github.com/plave0/pp
Programming paradigms course material.
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Last synced: 05 May 2026
https://github.com/nathaniyell/meta-js-course
A repository with details of the different Javascript concepts learnt in Meta's Javascript course on Coursera
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Last synced: 29 May 2026
https://github.com/priontoabdullah/simple-calculator-vanilla-js
🔢 A simple vanilla js Calculator. 🌎 Live demo: https://priontoabdullah.github.io/Simple-Calculator-Vanilla-JS/ 🙌
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https://github.com/roxtra1/sea-battle_console_game
Игра "Морской бой"
functional-programming modularization oop
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https://github.com/robertdober/testdrivingvim
Developping some common patterns in VimL, Test Driven.
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Last synced: 30 Jan 2026
https://github.com/davidlee18/minihaskell
a little, functional, and lazy language
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https://github.com/sandromaglione/nextjs-tennis-game
A simple application that aims to explain visually how a typical set of Tennis works. Enjoy!
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Last synced: 05 Mar 2025
https://github.com/xaaria/functional_programming_haskell
Erään kurssin koodit
functional-programming haskell
Last synced: 07 May 2025
https://github.com/asarkar/thinking-functionally-with-haskell
https://www.amazon.com/Thinking-Functionally-Haskell-Richard-Bird/dp/1107452643
functional-programming haskell
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https://github.com/farynaio/object-dot-notation
Simple object to object dot notation converter in Node.js.
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Last synced: 06 Jan 2026
https://github.com/kekyo/funcity
A functional language interpreter with text processing, easy embeddable! 📜
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Last synced: 31 Jan 2026
https://github.com/latrovalievioan/fp-drill
I'm determined to learn what a Monad is!
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Last synced: 31 Jan 2026
https://github.com/sandromaglione/nextjs_pokemon_memory_card_game
Memory Card Game using nextjs, typescript, jest, react-testing library, and fetching Pokemon from pokeAPI
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Last synced: 02 May 2026
https://github.com/aygp-dr/fixed-point-explorer
Y combinator and fixed-point recursion exploration across Scheme dialects with formal verification
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https://github.com/ghivert/papers
All articles published both on Medium or on my blog!
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Composite Utilities
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Array utilities
array functional-programming immutability
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https://github.com/chriso345/pipette
Functional programming for Python
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FAC Workshop - March 2017
functional-programming javascript ramda
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https://github.com/asterinos1/movie-preference-analyzer
INF424 Project 2025: Movie Preference Analyzer. Big Data analytics tool using Apache Spark, developed in Scala. adhering to functional programming rules.
analytics functional-programming hadoop-hdfs scala spark
Last synced: 03 Jul 2025