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/bsgbryan/madul

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

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Last synced: 28 Feb 2026

https://github.com/roshan-khandagale/marksheet-generator---django

Marksheet Generator is an Django based CRUD application which has all the functionalities related to CRUD operations.

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https://github.com/eoic/adventofcode2021

Advent of Code solutions in Elixir.

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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/gregros/z.ahk

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

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https://github.com/rurumimic/lisp

List Processor

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https://github.com/pfpack/pfpack-core-func

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💻 Dive into a curated collection of programming language comparisons, exercises, and detailed slides in this repository for Urmia University students.

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🚨 Errors as values for Python.

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https://github.com/nthportal/euler-n-scala

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

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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/ahlusar1989/java-workshop-materials

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https://github.com/neelsomani/smart-cache

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https://github.com/przucidlo/serverless-todo

Feature and infrastructure complete serverless app example.

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https://github.com/timeless-residents/handson-elm

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📊 Simplify data warehousing in Erlang with this efficient tool designed for seamless integration and analytics.

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https://github.com/aryaghan-mutum/algorhythms

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Repository contains C Programs, C++ Programs from difficulty level beginning to advanced. It also contains Modern C++ version 11, 14 and 17 programs.

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Multimethod clojure like solution for python

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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/mdjnewman/have-you-heard

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https://github.com/dirkjbosman/func_with_scala

Func / Functions / Fun with Scala :)

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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/didier/frontend-data

Functional Programming subject of @CMDA-TT

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

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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/iosialectus/haskellcipherplay

Implementations of RSA, Blum Blum Shub PRNG, affine and polyalphabetic ciphers, and supporting number theory in Haskell.

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https://github.com/qrailibs/functir

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

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https://github.com/blackwakhu/introduction-to-functional-programming

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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/packquickly/little_lambda

Function composition, the un-Pythonic way!

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https://github.com/lordgoatius/comonad_rust

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

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🚿 Implementation of pipe expressions for Python.

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https://github.com/amstuta/ocamlbistro

A calculation tool for infinite size numbers writter in Ocaml

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https://github.com/prdpx7/fp

"functors maketh man"

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https://github.com/SanTiepi/benoit

Benoît — A programming language where functions are algebra and modules are messages between machines.. Built for human-AI collaboration.

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https://github.com/jonaskromer/blackjack

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

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

functional-paradigm functional-programming haskell parsing python rayon rust unipr

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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

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

Clojure's transducers in Scala.

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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.

dependency-injection functional-programming typescript

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https://github.com/guibrandt/higher-kt

Some experiments with annotation processors, code generation, higher kinded types (sort of) and typeclasses (sort of) in Kotlin

annotation-processor category-theory code-generation functional-programming higher-kinded-types kotlin typeclasses

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https://github.com/aygp-dr/lazy-weekends

A chill, 8-week Haskell learning journey designed for busy people who want to explore functional programming without the pressure.

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https://github.com/cgyurgyik/caml-pox

Epidemic simulation game.

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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/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/hareeshreddi/programming-languages-lab

My attempts for the Programming Languages Lab (CS 431 Course) Assignments at IITG

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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/utn-pdep-tp-haskell

Trabajo practico para el curso K2004 de Paradigmas de Programación

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https://github.com/iamfarrokhnejad/functional-love

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https://github.com/johnpaulada/maybe

A simple, lightweight, Maybe implementation in JavaScript.

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

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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/dragos-tudor/frontend-rendering

Rewritten React core library [functional principles].

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https://github.com/min-thway-htut/programming-with-javascript

Lessons from Meta certification

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

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https://github.com/antoniomdk/99-scala-problems

My own solutions to 99 Scala Problems.

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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/ethowitz/sruby

An increasingly less miniature implementation of Ruby in Scala

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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/teixdavide/FEUP_PFL_Parser

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

Bazel rules, a bzlmod extension, and a gazelle plugin for building, testing, and transpiling the GALA language — plus a Bazel module registry that publishes rules_gala.

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