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/gregros/z.ahk

Obsolete utility library for AHKv2

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Last synced: 16 Feb 2026

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/arufonsekun/nukes

Repository to host clojure study codes

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

Feature and infrastructure complete serverless app example.

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https://github.com/mostfaayoussri/erlang-dw7

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

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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/unosd/unofs

UnoFS is a purely functional semantic file system implemented in F#

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https://github.com/fblupi/grado_informatica-ntp

Prácticas de la asignatura Nuevas Tecnologías de la Programación de la UGR

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https://github.com/wafer-li/scala-coursera

The projects of Functional Programming in Scala

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https://github.com/mrgravity817/ruckpal

Mini Paypal clone, written in Rust for practicing domain modeling with clean architecture

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https://github.com/eckelon/sanctuarycustomtypesexample

Easy example of how to define custom types with Sanctuary and using them in safe functions

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https://github.com/akotronis/dit280

Advanced Languages and Programming Techniques

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https://github.com/danyst/iosfunctionaltable

Keepcoding Master Mobile Engineering Bootcamp - iOS Advanced - Functional programming exercise

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https://github.com/iain-s/wizards-within

Working through SICP, one chapter at a time.

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https://github.com/miomit/jscalculator

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https://github.com/luizcalaca/ts-node-joi-api

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/filiprd/monet

Online paintings retailer platform implemented in functional Scala 3

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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/kiquetal/fsharp-workout

Hands-on F# training — 6 hyperfocus sessions covering type-driven design, pipelines, pattern matching, domain modeling, async, and integration

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

introduction to functional programming

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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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Last synced: 12 Jun 2025

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

🦥GitHub meets SwiftUI

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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/jjteoh-thewebdev/html-canvas-snake

Nokia classic Snake game built with HTML Canvas

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https://github.com/shakadak/ft_turing

functional-programming haskell json turing-machine-simulator

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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.

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https://github.com/developeromarfaruk/react-authentication

Simple React Authentication Project with Firebase.

bootstrap5 conditional-statements css3 firebase-auth functional-programming hookstate html5 ractjs state-management

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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/didier/frontend-data

Functional Programming subject of @CMDA-TT

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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/yonatan-reicher/functionality

Rust |> functional programing = 💖

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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/dhershman1/mondrian-elm

Elm rebuild of my mondrian idea

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https://github.com/fkoler/js-advanced-concepts

ZTM - JavaScript The Advanced Concepts

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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/team846/code-2017

Code base for our 2017 robot - Punk Monkey

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https://github.com/foxfriends/svelte-io

IO monad for Svelte

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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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https://github.com/anicolaspp/nsource

A composable library for collections

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Last synced: 22 Apr 2026

https://github.com/beyondnetperu/js-functional

A simple samples applying functional programming with JS

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Last synced: 05 Jun 2026

https://github.com/anicolaspp/gnsource

Experimenta Lazy Streams for Go

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https://github.com/rackspace/maybe-result

Safe handling of null and undefined in Typescript and Javascript

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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/sorja/haskell-2018-ifp

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

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https://github.com/chriniko13/scala-simple-tutorial

Inspired from official Tour of Scala (https://docs.scala-lang.org/tour/tour-of-scala.html)

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https://github.com/qrailibs/functir

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

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https://github.com/gregros/naff

Client-side DOM swiss army knife and switchblade.

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https://github.com/analyticbastard/dafn

Define asynchronous functions, easy

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https://github.com/nextbreakpoint/sqltemplate

SQLTemplate implements a fluent interface for executing SQL statements

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https://github.com/jtberglund/advent-of-code-2017

My solutions for Advent of Code 2017

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https://github.com/taimoorzaeem/functional-stuff

Some functional programs.

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https://github.com/albertllousas/flight-booking-microservice

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https://github.com/fusion/uncons.cr

A toy implementation of head|tail destructuring for the Immutable library

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https://github.com/alinpahontu2912/haskell-mobile-target-search

Second homework for programming paradigms course

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https://github.com/mpellouin/wolfram

Epitech second year project part of the functional programming module. Wolfram is an implementation of elementary cellular automaton written in Haskell

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https://github.com/mfarsikov/tuples

Java 8 Tuples

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https://github.com/aloussase/webcam

My personal webcam 😜💦

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https://github.com/mdh266/poissondistributioninscala

Sampling From Poisson Distribution With A Functional Approach

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https://github.com/beatrizmilz/2023-11-rday-colombia-purrr

Presentation for R Day Colombia 2023

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https://github.com/mateusfg7/calebcurry-elixir-programming-introduction

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https://github.com/sahidev1/calculator

A calculator for arithmetic mathematical expressions, developed from scratch with lexer, parser and evaluater

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https://github.com/r8vnhill/scala-dibs

Code examples for the Design and Implementation of Software Libraries course (DIBS), focused on Scala. Covers OOP, FP, testing, and more — fully in English, built with SBT and Scala 3.

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https://github.com/r8vnhill/root-of-haskell

Haskell implementation of the square root series approximation

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https://github.com/waf/montecarlo

Monte Carlo approximation of π, written in a functional programming style.

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https://github.com/aaron-creator/java_functional_programming

Examples for learning Streams, functional ptogramming with Java8.

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https://github.com/turbiani/java-learning

Repositório criado para estudos gerais sobre Java 8 e Reative Programming

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https://github.com/aygp-dr/jwt-parsing-examples

A cross-language exploration of JWT header parsing techniques across multiple programming paradigms

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https://github.com/tsuberim/fun

A purely fun-ctional language with amazing performance

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https://github.com/chrismichaelps/computer-science-problem-solving

Learning haskell Language solving computer science programming problem. This implies having a better knowledge about how language works and how to understand better how functional languages work.

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https://github.com/fabriziomettini/dsa-ii

Resources about my DS&A II course (FCEIA - UNR)

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https://github.com/ghurtchu/msgflow

:speech_balloon: Persistent Chat Server. Tech used: Scala, Java, PostgreSQL.

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https://github.com/corporatepiyush/jhighfun

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https://github.com/koheing/stream-executor

functional stream programming library

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https://github.com/bmmunga/terminal-screen

Program reads a binary encoded stream of bytes supplied as input and generates a graphical representation of the bytes in a terminal window.

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https://github.com/clitetailor/tokenize-monster

Yet another powerful tokenizer in js.

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https://github.com/rexapex/aetherlang

Aether compiler written in Haskell

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https://github.com/th3n0m4d/project-euler

Project Euler offers a plethora of challenges for those who love math and algorithms.

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

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https://github.com/mohamedismail37/math-game

A C++ console game for practicing arithmetic with random questions and instant feedback.

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https://github.com/mohamedismail37/bank-system

Console-based bank management system in C++ featuring file I/O, authentication, and permission levels,etc

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https://github.com/deepakbhalla/java8-new-features

Examples to cover new features added in Java 8

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https://github.com/imtjl/fp-euler-project

Introduction to functional programming in Elixir

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https://github.com/tkshill/adventofcode

Mega-folder for all Advent of Code solutions

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https://github.com/leodiegues/unwrappy

Yet another Rust-inspired Result and Option ergonomics brought to Python, enabling safe, expressive error handling with errors as values.

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https://github.com/xaaria/javastreams_sandbox

Just playing around with Java 8+ Streams

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https://github.com/hugojosefson/fns

Utility functions.

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https://github.com/isaacvando/functionalprogrammingsig

Resources for MCA Functional Programming SIG including Haskell Jupyter notebooks

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https://github.com/salespaulo/poc-refactory

Refactoing code using Lambdas, Funtional Programming and Java 8.

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https://github.com/bramirez96/functional-state-no-react-exploration

An exploration into persisting state in a functional programming environment, and how one might implement a simple state-driven rendering engine like React with low overhead and specifically defined "hook" subscriptions. Also includes a custom webpack setup that allows for some really clean project architecture and reduced bundle size.

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Last synced: 13 Apr 2026