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: 2026-06-30 00:12:00 UTC
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https://github.com/asarkar/hackerrank-fp-haskell

Functional Programming code challenges on HackerRank

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Last synced: 13 Jun 2026

https://github.com/matheusfdosan/programacao-funcional

Uma explicação sobre Programação Funcional

docs functional-programming

Last synced: 28 Feb 2026

https://github.com/saidali-ibn-zafar/hard-parts-of-functional-js-fundamentals

Explore the increasingly popular paradigm of functional programming in JavaScript! You’ll learn how to wield and manipulate functions to develop more readable, maintainable and manageable codebases. You’ll go under the hood of powerful techniques like: Higher Order Functions, Function Composition, Pure Functions, and Immutability of State.

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https://github.com/yanick/updeep-remeda

Remeda-based fork of updeep

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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/blackwakhu/introduction-to-functional-programming

introduction to functional programming

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https://github.com/carlosvinimsouza/projeto-livro-python

Primeiro trabalho de extensão com Python

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https://github.com/smsraj2001/java-workspace

A basic foundation learnings on java and its features.

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

A simple, functional approach to React

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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/zpnst/lisp-lectures

My first steps in Common Lisp. Code from the lectures on YouTube with my comments

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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/noor188/space-invaders

The design of the classic arcade game space invaders

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Simple React Authentication Project with Firebase.

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Ingenieria en Informatica - UMSS

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https://github.com/maksim-ilin-f25/f

The F language can be considered as a reduced version of the Lisp language with some simplifications and modifications. It takes the basic syntax and semantics from Lisp.

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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/surjoyday/functional-procedural-objectoriented-programming

Code examples illustrating different programming paradigms: Object-Oriented Programming (OOP), Procedural Programming (PP), and Functional Programming (FP).

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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/fkoler/js-advanced-concepts

ZTM - JavaScript The Advanced Concepts

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https://github.com/aahaidaralbaqir/identicon

Github default profile image generator written in elixir

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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/sevmardi/functional-design-in-java

Functional design in Java

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https://github.com/sheitak/funcprog2

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https://github.com/fantiga/hackernews-list-nextjs-react-ts

This is an infinite loading demo generated from the HackerNews API using NextJS, React and styled-components.

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https://github.com/wdalmut/curry

An example of currying and partial application

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https://github.com/guiromao/some-functional-programming-java

Some functional programming (main Java interfaces for such)

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

https://www.coursera.org/specializations/scala

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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/martianoff/gala-acp

Transport-neutral Agent Communication Protocol for GALA: content-hash message identity, idempotent dedup, a delivery/liveness FSM, and a generic agent-run contract — with a Claude backend.

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https://github.com/gregros/naff

Client-side DOM swiss army knife and switchblade.

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https://github.com/didierfranc/sweetch

Switch as a function

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https://github.com/theosorus/syntacticanalyzer

Build a simple Syntactic Analyzer in Haskell to discover Functional programming

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https://github.com/manik2000/pricer

Option pricing application written in F# and C#.

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https://github.com/faylina/witching_hour_chronicles

A witchy blog that utilizes PHP

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https://github.com/olhkyle/fxjs-verstenden

Learn fxjs based on functional-programming concept

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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/scalateams/scalateams-claude-plugin

Specialist Claude Code agents for the Scala ecosystem — ZIO, Pekko, Cats Effect, build tools, codecs, HTTP, databases, and testing.

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https://github.com/marcelo-gomj/windows-10-calculator

It's the Windows calculator made with pure HTML, CSS and JavaScript. I tried to apply some functional programming concepts.

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

🦥GitHub meets SwiftUI

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https://github.com/arufonsekun/nukes

Repository to host clojure study codes

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https://github.com/shakadak/ft_turing

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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/dotpep/restaurant-api

Restaurant API using DRF, with Authentication, Menu, Cart and Order management systems and etc.

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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/dzangfan/evason

A lighweight programming language mixing JSON and functional features together

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https://github.com/johnpaulada/maybe

A simple, lightweight, Maybe implementation in JavaScript.

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https://github.com/alex-aralis/yank-down

Yank a curried parameter down to be the first argument passed.

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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/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/milaziabchenko/custom-music-player-with-dropdown-select

Custom music player coupled with custom-made dropdown select, built with HTML, CSS, and JavaScript, combining FP and OOP approaches, and using the Web Audio API functionality

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https://github.com/danieljharvey/website-face

Hakyll site for danieljharvey.github.io about mostly Haskell shit at the moment.

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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/antwankakki/fct

functional cpp at compile time, the compiler turns to the perfectly slow interpreter XD

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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/meragix/calx

⏱️ A lightweight, immutable, and fully tree-shakeable date manipulation library for Dart & Flutter. Functional-first core with zero-allocation opt-in extensions.

dart date-fns date-manipulation flutter functional-programming immutable performance tree-shaking

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https://github.com/harmim/vut-flp-labs

Funkcionální a logické programování - Cvičení

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https://github.com/raiondesu/if-const

New word in javascript conditionals!

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https://github.com/sami-ul-haq/xord-myreads

My Reads App For XORD Internship

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https://github.com/xodio/eslint-plugin-xod-fp

Limit the chaos while doing FP in JS

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https://github.com/sigmasoldi3r/ts-option

Optional values for typescript

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https://github.com/clifftech123/ts_fun_practice

Collection of small and enjoyable functional programming exercises in TypeScrip

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https://github.com/rsrini7/myelmresume

My Short Resume using ELM Language 0.18

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https://github.com/recursivelogic/haskell-bot

Haskell Discord bot for the FP Discord server

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https://github.com/constantiner/sibylla

Asynchronous Promise based functional style utilities with full TypeScript support

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Last synced: 29 Apr 2026

https://github.com/woutervanbakel/try

Try class for C++

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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/kczulko/astar

A* algorithm

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https://github.com/saber2pr/fp

:heavy_minus_sign: A library for Javascript in functional programing in async | sync | lazy.

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https://github.com/chocolacula/donotcopyanalyser

Roslyn analyzer for prevention of copying certain data

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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.

database etl etl-automation functional-programming jdbc oracle programming scala

Last synced: 01 May 2026

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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Last synced: 01 May 2026

https://github.com/ardywsptr/phpdasar

Materi PHP dasar playlist youtube channel Web Programming Unpas

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https://github.com/quacksouls/jaf

Adventures in functional JavaScript

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https://github.com/riiswa/scala2haskell

A detailed comparison between the programming languages language and Haskell by presenting equivalent code.

functional-programming haskell scala

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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/guibrandt/persistentarray

Persistent array data structure in JS

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https://github.com/gregros/dropin-geometry

Vector and complex math for graphics. Unfinished.

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

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https://github.com/reshiadavan/catena

simple, lightweight, actor-based distributed blockchain

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https://github.com/armadacore/essentials

TypeScript essentials for explicit error and absence handling - Option, Result, typed Exceptions and optional Callbacks the compiler actually enforces.

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