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: 2026-07-08 00:12:18 UTC
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https://github.com/owaismohsin001/sunlight-lang

Sunlight lang is a dynamic, lazy, and functional programming language that compiles to Lua and JS

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Last synced: 09 Apr 2025

https://github.com/prathyvsh/funbox

ES6 Functional Programming Toolbox

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https://github.com/wallacyyy/hubot-coffeepoll

A functional Hubot plugin to help your team to choose where to drink a coffee ! :coffee:

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https://github.com/bodrovis-learning/elixir-yt-series

Серия видео "Функциональная разработка на Elixir" на YouTube

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https://github.com/mlms13/bs-nonempty

NonEmpty type with Array and List implementations for ReasonML and OCaml

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https://github.com/adamretter/task.xq

Reference implementation of EXPath Tasks in pure XQuery

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https://github.com/execonline-inc/cooperts

A collection of Elm-inspired functional-programming tools in Typescript, focused on eliminating runtime exceptions and reducing testing burden.

functional-programming

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https://github.com/mooseman/pdfpc

Public domain functional programming in C.

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flexible framework designed for managing and dispatching animations for server-side applications.

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A microlibrary for creating simple status pages

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https://github.com/davidtimms/effective.ts

Write safe, concurrent, fault-tolerant programs in TypeScript.

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https://github.com/hachibeedi/masala

some metaprogramming spice for Python

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https://github.com/ibawt/tabby

An functional experiment in Raft & Clojure

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https://github.com/edeckers/pyella

Common applicatives, functors and monads for loads of /fun/ with Python

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https://github.com/maartz/swiftpipeline

SwiftPipeline is a lightweight, functional-style library for Swift that brings the power of threading macros inspired by languages like Clojure.

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https://github.com/muradisazade777/quizfusion

QuizFusion is a modular Java-based quiz engine that loads questions from a JSON bank and exports results for Python-powered analytics. Lightweight, branded, and developer-friendly — perfect for CLI-based learning tools and cross-language integration.

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https://github.com/johncgriffin/yogofn

Functional Map/Reduce/Filter for Golang

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https://github.com/lonli-lokli/ng-result

Set of Angular components/directives/pipes for work with https://github.com/Lonli-Lokli/ts-result

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https://github.com/kyegomez/nebula

1 Loss Function For Everything

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https://github.com/gmlewis/advent-of-code-2021

Advent of Code 2021 solutions using Go 1.18 Generics

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https://github.com/biuld/calculator

an arithmetic calculator written with compiling theory in mind

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https://github.com/imclerran/roc-ai

Roc Package for building with LLMs.

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https://github.com/improvetheworld/dataflow.net

Unified sync/async stream processing with category-based filtering. Single API for IEnumerable/IAsyncEnumerable with Cases/SelectCase/ForEachCase pattern. Eliminates Rx complexity, enables elegant pipeline composition for real-time data processing.

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https://github.com/diego-vicente/monadic-gcd

Learning exercise (GCD) with explanation about monads

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https://github.com/javiorfo/steams

Go functional programming library inspired (mostly) on Java Streams

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https://github.com/xaliphostes/dataframe

A minimalist Python Panda like library in pure C++

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https://github.com/jasonkuhrt/kitz

Opinionated Standard Lib for TypeScript

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https://github.com/guizmaii-opensource/zio-aes

Implementation of a `AES` service providing 2 functions: `::encrypt` and `::decrypt`

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https://github.com/polyvariant/learn-scala

Reference learning material for Scala

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https://github.com/taylorwood/taylorwood.github.io

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https://github.com/pakoito/rxerroralgebra

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https://github.com/mode89/sodium-python

Python implementation of Sodium - Functional Reactive Programming (FRP) Library

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https://github.com/bb-simon/javascript-all-you-need-to-know

A comprehensive guide to JavaScript, covering essential concepts, advanced topics, and problem-solving techniques. This repository includes in-depth resources for functional programming, object-oriented programming (OOP), data structures, algorithms, and numerous solved LeetCode problems.

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https://github.com/hoangtien2k3/keycloak-auth-service

Auth-Service using Keycloak for authentication, built with Java WebFlux and functional programming, includes noti-service for sending emails and messages.

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https://github.com/parinpan/fun-go

Fun-go is the answer when you are sick of writing over and over again a looping block that seems giving much redundancy in your project.

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https://github.com/mattx/relambda

Bytecode-compiling Unlambda 2.0 interpreter

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https://github.com/ariebovenberg/cans

Simple, functional, composable containers

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https://github.com/typelead/eta-benchmarks

A set of benchmarks to aid in performance optimisation for the Eta compiler.

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https://github.com/brunodantas/ensures

Design by Contract with Functional Programming

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https://github.com/wesovilabs/koazee-samples

Samples of use with Koazee

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https://github.com/andreainfufsm/elc117-2017a

ELC117 - Paradigmas de Programação - UFSM - 2017a

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https://github.com/thealexlichter/advent-of-code

My solutions for the Advent of Code (since 2k17)

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https://github.com/the-y-project/y

Pipes for humans.

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https://github.com/smallibs/hpas

Functional ADT And Asynchronous stuff in Java

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https://github.com/thma/thma.github.io

Lambda is not a four letter word. My blog on all things haskell and FP.

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https://github.com/pfpack/pfpack-dependency

PrimeFuncPack Dependency is a framework for .NET providing a functional programming based technology to build consistent dependency trees validated in the compile time.

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https://github.com/hablapps/koky

Typeclasses, datatypes and theorems for functional programming in Coq.

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https://github.com/ahmednasserg/cpu-cache-system

A simulation for data flow system between memory and cache using logic Prolog and functional Haskel Programming.

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https://github.com/premshree/monads-typescript

Monadic Types and implementation for TypeScript 🚀

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https://github.com/klahap/kothon

Enhance Python with Kotlin's Sequence class and functional programming for efficient, expressive data pipelines.

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https://github.com/inaiat/fastify-sample

Fastify example with funcional and typesafe approach

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https://github.com/f0rr0/church-encoding

⛪ Church encodings for JavaScript primitives

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

PrimeFuncPack Core.Taggeds is a core pack for .NET consisting of fundamental tagged types targeted for use in functional programming: Optional and Result monads, Tagged Union, as well as the convert extensions.

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https://github.com/yusukehosonuma/flatten

Flatten method reference that resolved to SE-0042.

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https://github.com/ashrockzzz2003/haskell

Exploring Haskell Programming Language

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https://github.com/ascandone/kestrel-lang

🦅 A pure, strongly typed functional language that compiles to js

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https://github.com/felipemonobe/lagoinha-hs

A Haskell study with concurrency, http requests, JSON and XML parsing.

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https://github.com/jaschdoc/flix-parsers

A simple parser combinator library for Flix

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https://github.com/go-libfp/try

A go-friendly error monad.

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https://github.com/kanitsharma/elvish

A functional, reactive and some what type safe javascript library to build UIs, inspired by Elm

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https://github.com/phel-lang/cli-skeleton

A simple skeleton to build your cli-app using Phel.

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https://github.com/zengularity/query-monad

Specialized Reader monad and transformer for pure database programming

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https://github.com/ryan-haskell/seven-seas-elm

My first time learning functional programming with Elm!

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https://github.com/frees-io/sbt-freestyle

sbt-plugin for Freestyle projects

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https://github.com/snoglobe/zy

the zy programming language

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https://github.com/jsheaven/reactive

Nano library for functional, opt-in reactive programming

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https://github.com/mamuz/message-bridge

Message bridge to support a decoupled event driven and aspect oriented application

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https://github.com/lavantien/springboot-restapi

A simple RESTful API with Validator and Unit Testing

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Last synced: 02 May 2026

https://github.com/panarch/or-iterator

Rust iterator which takes two iterators and return not empty one

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https://github.com/arnaud-feldmann/formation_r_drieets_prog_fonctionnelle

Une formation R pour mes collègues de la drieets, aux fonctions et à la programmation fonctionnelle en R

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https://github.com/airtucha/board

Experimental Back-end framework for Elm

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https://github.com/imteekay/talks

Tech Talks - Striving to share knowledge

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https://github.com/mrdimosthenis/creative-scala

Translation of "Creative Scala" to Greek

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https://github.com/mattlianje/flowers

Functional cipher machines

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Terrible things I wrote in Go

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🌈 Fantasy Land compliant ADTs and combinators

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https://github.com/true-myth/true-myth-csharp

A library for safer optional programming in C♯.

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https://github.com/rawleyfowler/monad-result

Result monad for Raku

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https://github.com/therustifyer/hacker_game

Commnad line game. You're a secret agent and do maths for hack... HAVE FUN!

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https://github.com/tttardigrado/goadt

Algebraic Data Types generator for the Go programming language

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https://github.com/exbotanical/idl

A Lisp that leverages continuation-passing style and tail call optimization to dramatically enhance JavaScript runtime performance. interpreter, runtime, and transpiler

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