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: 2026-06-29 00:11:58 UTC
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https://github.com/palutz/calculateseries

A simple F# solution, with tests and console app to calculate a series of numbers

fsharp functional-programming math

Last synced: 29 May 2026

https://github.com/sevmardi/functional-design-in-java

Functional design in Java

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https://github.com/felipesalvadordev/functional_programming

Java functional programming implementations

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https://github.com/lotusirous/functional-pearls

Pearls of Functional Algorithm Design by Richard Bird - ocaml

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Last synced: 09 Oct 2025

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/samuelastech/invoices

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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/dubzzz/scala-2048

2048 in Scala

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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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https://github.com/sophiecollard/variance

Simple examples to illustrate the differences between invariance, covariance and contravariance in Scala

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https://github.com/anvell/result-extensions

Additional extensions and imperative bindings for Kotlin's 'Result' type

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https://github.com/vitorribe/erlang_paradigmas

Repositório para atividades relacionadas ao paradigma funcional com o uso da linguagem Erlang.

erlang functional-programming

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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/zeshanfareed/python_tutorial-

I have covered the complete tutorial of python like list , dict, set , tupple , file hadling, fundamental progamming and many more

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https://github.com/juop12/exactas-plp-cnil

Implementaciones de trabajos prácticos para Paradigmas de Lenguajes de Programación - 2do cuatrimestre 2025. TP1: Calculadora Incierta en Haskell con manejo de incertidumbre estadística.

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https://github.com/oelin/chime

A tiny, declarative UI library.

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https://github.com/tdibacco/fp

Functional Programing constructs for Go.

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https://github.com/xaaria/functional_programming_haskell

Erään kurssin koodit

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https://github.com/suddi/string-formatting

NPM string formatting module for string beautification (https://www.npmjs.com/package/string-formatting)

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https://github.com/agnivchtj/scala-interpreter

Built a definitional interpreter that parses, desugars and interprets the value of a core-language expression.

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https://github.com/noxecane/pyfunk

An exploration of functional programming in python

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https://github.com/asarkar/thinking-functionally-with-haskell

https://www.amazon.com/Thinking-Functionally-Haskell-Richard-Bird/dp/1107452643

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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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https://github.com/ghivert/papers

All articles published both on Medium or on my blog!

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https://github.com/jumpn/utils-composite

Composite Utilities

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https://github.com/jumpn/utils-array

Array utilities

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https://github.com/hongchangwu/pfds

Exercises from "Purely Functional Data Structures"

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https://github.com/chriso345/pipette

Functional programming for Python

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https://github.com/tralahm/scala-by-example

Scala is a tastefully typed language: it is statically typed, but explicit types appear in just the right places. Scala takes powerful features from object-oriented and functional languages, and combines them with a few novel ideas in a beautifully coherent whole. The syntax is so lightweight, and its primitives so expressive, that APIs can be used with virtually no syntactic overhead at all. Examples can be found in standard libraries such as parser combinators and actors. In this sense Scala supports embedded domain-specific languages.

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https://github.com/ronanyeah/ramda-workshop

FAC Workshop - March 2017

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https://github.com/denisdubochevalier/lambdac

WIP: Untyped lambda calculus compiler

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https://github.com/denisdubochevalier/monad

Implementation of monads in go with generics

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https://github.com/nikvoronin/funsokoban

Minimalistic functional Sokoban (console, no mutable vars). Initially vibe coded with ChatGPT 5. Brought to working condition by Human Being 45.

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https://github.com/tolikpylypchuk/fsbowling

A library which calculates a bowling score, written in F#

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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.

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https://github.com/firestone82/mazelib-gui

VŠB-TUO - School project in SKJ

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https://github.com/isaquielfernandes/java-functional-programming

Functional Programming

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https://github.com/wdalmut/curry

An example of currying and partial application

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https://github.com/mizcausevic-dev/haskell-policy-engine

Type-safe policy DSL in Haskell. Algebraic data type Policy = Allow | Deny | When; predicates compose via And/Or/Not; pure total evaluator; Aeson JSON codec; Hspec + QuickCheck tests. Functional purity flex for the agent-governance theme.

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https://github.com/dragos-tudor/frontend-rendering

Rewritten React core library [functional principles].

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https://github.com/NashTech-Labs/fp-scala

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https://github.com/rsrini7/myelmresume

My Short Resume using ELM Language 0.18

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https://github.com/bilal-fazlani/gossip-glomers-scala-template

Solutions for Gossip Glomers Challenges in Scala using ZIO-Maelstrom

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https://github.com/kattulib/yay

[IN DEVELOPMENT] Yay is a functional simple http server

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https://github.com/nrissot/DPF-2024-BinaryTree

🐫 Code OCaml du projet de Programmation Fonctionnelle de L2S4

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https://github.com/dimasmiftah/structuring

Structuring data from .txt file to JavaScript object literal using higher-order functions.

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https://github.com/mavaji/ke2019

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https://github.com/it1shka/moonshine

Library providing common functional utilities for the Lua programming language. Development of the library is currently frozen

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https://github.com/aravindraj777/streamdream

A dedicated space for mastering Java Stream API with hands-on workouts and exercises. Exploring the art of functional programming through practical examples and challenges.

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Last synced: 16 Mar 2025

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

We want to process a set of organizations from different industries to perform various queries about them using concepts from the functional paradigm. For each organization we know its name, website and other important fields. The main goal is to focus on modeling the data types and writing the necessary functions to perform the required analysis.

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https://github.com/upi20/php_oop

OOP PHP Fundamental

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https://github.com/sidmishraw/gunc

Golang functional programming library

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https://github.com/pixcai/hscheme

Write Yourself a Scheme in 48 Hours

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https://github.com/courses-at-nju-by-hfwei/learning-haskell

Learn Haskell and Generally Functional Programming

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https://github.com/mlanza/proposal-command-syntax

Proposal: Command Syntax for JavaScript

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https://github.com/nshkrdotcom/elixir_dashboard

A Phoenix LiveView performance monitoring dashboard for tracking slow endpoints and database queries

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https://github.com/subhashchandra-birajdar/java-8-guides

Java 8 Programs, All java features practice

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https://github.com/akimichi/kansuu.js

Yet another functional programming library for node.js

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https://github.com/juthawong/jquery-oddeven.js

Simplify Even and Odd HTML DOM Element Stuff , Save Time and Make Coding Easier and Fun. Just for fun

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https://github.com/carlos-descalzi/funclang

A small functional language interpreter similar to Haskell implemented in python and ANTLR4, done just for self-learning.

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Last synced: 03 Sep 2025

https://github.com/agapas/react-carousel

Image carousel made with React and TypeScript

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Last synced: 11 May 2026

https://github.com/turbaszek/ct4cs

Challenges from Category Theory for Programmers

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Last synced: 16 Mar 2025

https://github.com/mrbrunelli/haskell-math

My functional math studies with Haskell

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Last synced: 28 May 2026

https://github.com/mhashim6/kotlin-sorting-algorithms

kotlin implementation for various sorting algorithms [school project]

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https://github.com/aahaidaralbaqir/identicon

Github default profile image generator written in elixir

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Last synced: 23 Jan 2026

https://github.com/marcin-chwedczuk/fpinscala

My solutions to the exercises from "Functional Programming in Scala" book.

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Last synced: 24 Oct 2025

https://github.com/lucas-nelson-uiuc/tidy_tools

Declarative programming for PySpark workflows.

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Last synced: 21 Feb 2026

https://github.com/aneeshlalwani/spreadsheet-javascript

A spreadsheet application, features parsing and evaluating mathematical expressions, implementing spreadsheet functions, handling cell references, and creating interactive web interfaces with dynamic updates.

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https://github.com/juliencrn/chessgame

F# functional domain-driven design CLI Chess Game made for learning purpose

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https://github.com/pkarpovich/functional-programming-labs

BSTU Functional Programming Labs

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https://github.com/ghillairet/frdomain-kt

Kotlin version of code from the book Functional and Reactive Domain Modeling

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https://github.com/numq/fn

Golang functional components

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https://github.com/attack-monkey/react-fn

A simple, functional approach to React

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Last synced: 02 May 2026

https://github.com/hillaryjude/python-from-scratch-part-3-func-prog

Concepts on Sets, functional programing and its inbuilt functions

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Last synced: 23 Mar 2025

https://github.com/aviabird/elixir-beginner

Repository to get started with Elixir

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https://github.com/appsweet-co/debug

Makes your console logs much better

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https://github.com/rom-chik/kma_fp

Functional programming course on Haskell.

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https://github.com/anurag1101/the_perfect_guess

Perfect Guess is a simple number guessing game built with Python. Players try to guess a randomly generated number between 1 and 100, receiving feedback on whether their guesses are too high or too low. The game continues until the correct number is guessed, with an option to play again. Enjoy testing your guessing skills!

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