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: 2026-06-24 00:08:05 UTC
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https://github.com/zlovtnik/frontend

A TypeScript/Bun/React frontend application for the Actix Web REST API backend with JWT authentication, multi-tenant support, and comprehensive functional programming patterns.

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Last synced: 13 Apr 2026

https://github.com/oniani/purity

A collection of various algorithms and data structures

algorithms data-structures functional-programming haskell

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https://github.com/al-ghaly/ruleengineusingscala

A Rule-Based discount calculating engine for a retail store. The engine reads transaction data, applies various discount rules based on the product, date, and other criteria, and writes the results back to a database.

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https://github.com/mrbrunelli/curso-elixir

Meus estudos da Linguagem Elixir

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

FAC Workshop - March 2017

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https://github.com/wdalmut/curry

An example of currying and partial application

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https://github.com/chriso345/pipette

Functional programming for Python

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https://github.com/sftsrv/parz

A simple parser combinator library

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

Array utilities

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https://github.com/shaanbanday/me-101-c-plus-plus

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https://github.com/agapas/images-switcher

React app to switch images on toggle, on mouse hover or touch and by scrolling the page, made to practice React Hooks.

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

Composite Utilities

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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/garyhilares/minesweeper

Simple Minesweeper game written in ISL with lambdas (a functional programming variant of Racket).

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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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https://github.com/rolandtritsch/haskell-aoc-2017

Taking a stab at doing the AoC in Haskell (at least Day01 :))

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https://github.com/bra1l0r/iterify-rs

Iterate over anything with Iterify!

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https://github.com/mdw-go/funcy

Functional programming toolkit for Go

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https://github.com/alinpahontu2912/racket-supermarket

first homework for programming paradigms

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https://github.com/yisus82/fic-pf

Programación Funcional - Facultad de Informática de A Coruña

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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/jonaskromer/blackjack

Blackjack implemented using scala providing a tui and gui

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https://github.com/ntwilson/linqed

LINQ Extended Design. Additional C# extension methods (inspired by LINQ) and F# collection functions

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https://github.com/sgon4arov/plato

🤖 Enhance coding with Plato, a CLI-compatible AI assistant that streamlines coding tasks while integrating seamlessly with GitHub Copilot.

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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/athrocks/java-8-stream-api

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https://github.com/exbotanical/heuristics

Useful heuristics, type checks, and validation helpers for JavaScript and TypeScript

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https://github.com/sandwwraith/fp-homework

Homework for FP ITMO course

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https://github.com/running-grass/grass-js

自用的js库

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https://github.com/quacksouls/jaf

Adventures in functional JavaScript

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https://github.com/just-styx/mocking

Testing with Mockito

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https://github.com/gonturri/tp-tadp-hibrido-objetos-funcional

Trabajo práctico de asignatura técnicas avanzadas de programación de UTN donde el objetivo sumergirse en el paradigma hibrido de objetos y funcional

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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/wlgs/functional-programming-course

Functional Programming Course 2021/22 at AGH UST. The language used was Haskell.

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https://github.com/zhongzc/gparser

A naive parser combinator library

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https://github.com/maccauhuru/modern-js-sandbox-code

Code i am writing for the modern JS from beginning course

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https://github.com/deepcloudlabs/dcl235-2020-may-11

DCL-235: Effective Java Programming

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https://github.com/iampeterbanjo/alchemy

Elixir/Phoenix portfolio apps

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https://github.com/dirkbosman/func_with_scala

Func / Functions / Fun with Scala :)

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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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https://github.com/rjdestigter/rxjs-single-state-todomvc

Experimental serliazable, time-travelable single state solution using RxJS observables

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https://github.com/dashkite/joy

The simplicity of Lodash with the functional flair of Rambda.

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https://github.com/qbarrand/ensiie-iprf-quadtree

An academic project about collision detection to learn the quadtree data structure and functional programming

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https://github.com/sekky61/rust-iterator-aoc

Advent of Code challanges solved using Rust's iterators and functional programming

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https://github.com/JunggiKim/java-refined

Refinement and functional value types for Java 8+

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Last synced: 02 May 2026

https://github.com/nkcoder/byronbay

Playground for functional programming with Scala

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Last synced: 07 Jun 2026

https://github.com/faylina/spellbound-treasures

First project utilizing JavaScript to create a shopping cart

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https://github.com/sharpmiind/erlang-1em

🛠️ Develop and test Erlang applications effortlessly with erlang-1em, simplifying deployment and enhancing productivity for developers.

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https://github.com/guibrandt/persistentarray

Persistent array data structure in JS

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Last synced: 09 Jun 2026

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/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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Last synced: 14 Apr 2026

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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Last synced: 23 Jun 2026

https://github.com/xaaria/functional_programming_haskell

Erään kurssin koodit

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

BSTU Functional Programming Labs

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https://github.com/tanbirhossain/fsharp-learn

dotnet-core fsharp functional-programming

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https://github.com/sorja/haskell-2018-ifp

Introduction to Functional Programming (Haskell). Repository for University of Helsinki course TKT21014.

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https://github.com/stuartdaniells/portfolio-website

React

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https://github.com/sumanjitsg/redistil

A minimalist Redis re-implementation in Elm, bringing the power of functional programming to Redis interactions.

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https://github.com/asarkar/udemy-complete-haskell

https://www.udemy.com/course/the-complete-haskell-course-from-zero-to-expert

functional-programming haskell udemy

Last synced: 15 Jul 2025

https://github.com/zalbia/zio-structure

Just learning how to structure ZIO programs

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Last synced: 25 Oct 2025

https://github.com/gekomad/fpinscala

Exercise solutions for "Functional Programming in Scala"

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Last synced: 16 Mar 2025

https://github.com/priontoabdullah/simple-calculator-vanilla-js

🔢 A simple vanilla js Calculator. 🌎 Live demo: https://priontoabdullah.github.io/Simple-Calculator-Vanilla-JS/ 🙌

css functional-programming html javascript vanilla-js

Last synced: 12 Apr 2026

https://github.com/epicallan/p2h-ui

Front end Test for a pdf to html service on steroids :ok_woman: :ok_woman: in purescript-pux

frontend functional-programming pdf purescript pux

Last synced: 16 Mar 2026

https://github.com/reshiadavan/catena

simple, lightweight, actor-based distributed blockchain

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https://github.com/mrgravity817/elastack

OTP stack server that pushes and pops

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https://github.com/amaziahub/tunic

A minimal setup for a Kotlin application using Gradle

functional-programming java jvm kotlin

Last synced: 13 Apr 2026

https://github.com/thericecold/tictactoe

Tictactoe using 2D array with game history states

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Last synced: 17 May 2026

https://github.com/theoliverlear/java-jump-start

Java Jump Start is a comprehensive guide designed to help you quickly learn the amazing abilities of Java. This guide will provide you will all the essentials in syntax as well as the unique features of Java.

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https://github.com/iamnilotpal/maybe

Go Optional, Nullable Types and Functional Utilities.

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https://github.com/barcek/phns

add phnctionality | modules for functional programming | Python + Mypy

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https://github.com/sraaphorst/advent-of-code-2023

Advent of Code 2023 in Kotlin

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https://github.com/hoetty/marble

A simple and compact functional programming language

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Last synced: 02 Aug 2025

https://github.com/nylle/javaseq

A lazy sequence for Java (no Stream involved)

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Last synced: 11 Jan 2026

https://github.com/victorlga/functional-etl

A functional ETL pipeline in OCaml that processes order data from CSV files hosted online using map, reduce, and filter, producing aggregated results and storing into a database.

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Last synced: 28 Mar 2025