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: 2026-06-25 00:08:15 UTC
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https://github.com/gcosta0410/y3s1-pfl-functional-and-logic-programming
Year: 3rd (BSc), Semester: 1st, Course: Functional and Logic Programming (PFL)
functional-programming haskell logical-programming prolog
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https://github.com/glbter/scala-functional-programming
course by Olha Mazhara
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https://github.com/tom-weatherhead/atrocity
A Scheme interpreter implemented in C.
c functional-programming garbage-collection repl scheme scheme-interpreter scripting-language
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https://github.com/tmohamedashraft/scala_rule_engine
This Scala ETL pipeline processes transaction CSV files by applying discounts and calculating final prices using pure functional programming principles. The transformed data is then loaded into an Oracle database, demonstrating end-to-end data processing with type safety and immutability.
etl functional-programming oracle-database sbt scala
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https://github.com/rafaeloledo/functional_js
functional-javascript functional-programming
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https://github.com/eloyhere/semantic-java
Semantic-Java is a modern, maven Java stream processing framework with zero dependencies. It elegantly blends the fluency of Java Streams, the laziness of JavaScript generators, and intelligent index-based control inspired by database indexing — perfect for time-series, event streams, and high-performance data pipelines as a maven pendency.
data functional functional-programming java pipeline stream
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https://github.com/palutz/scalashoppingbasket
A simple shopping basket in Scala, with an idiomatic approach...
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https://github.com/aliariff/fp19
Functional Programming Class - RWTH Aachen University
functional-programming haskell
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https://github.com/bertrand31/damysos
🌍 An experimental data structure allowing lightning-fast, constant-time lookups of large datasets for neighboring multi-dimensional points
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https://github.com/kamalfarahani/katharos
A library providing useful types and functions for functional programming in Python
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https://github.com/fforbeck/spreadsheet
Spreasheet Programming Challenge
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https://github.com/trodicaro/scalabridge
Full day Scala workshop.
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https://github.com/youz/honestb
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Habit Tracker app with python.
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This is not mine. It's an orphan fork
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https://github.com/simbathesailor/sample-project-react
Sample add, delete, edit list Reactjs
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https://github.com/max-sir/kotlintraining_koans
Solution for all tasks from Kotlin Koans https://play.kotlinlang.org/koans/overview
algorithms datastructures functional-programming koans kotlin learning-kotlin-for-android oop-in-kotlin solutions-for-kotlin-koans tasks
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https://github.com/sofisar/c--_playingwithnumbers_spring-2022
This program allows the user to choose to compute all the cousin prime pairs less than a number they input, compute if a number is a perfect number, or quit.
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https://github.com/ayrtonbsouza/elixir-fundamentals-reports-generator
This is an application developed as a lesson for Elixir Ignite Bootcamp, proposed by RocketSeat.
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https://github.com/markpurser/es6-defender
ES6 Defender
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https://github.com/khaledashrafh/petpal-simulation
The PetPal Simulation is a console-based application that simulates the experience of adopting and taking care of a pet. Users can adopt a pet, feed it, play with it, and check its status. The game tracks the pet's hunger and happiness levels, and it ends if these levels drop to critical values.
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https://github.com/sebastianofazzino/poker-game
A simplified poker game implemented in Scala, featuring basic game mechanics, user interaction and MongoDB-based persistence.
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https://github.com/pfpack/early-core-asyncpipeline
EarlyFuncPack Core.AsyncPipeline is a core library for .NET consisting of asynchronous pipeline.
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https://github.com/david-lapadula/javascript-essentials
Fundamentals of JavaScript
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https://github.com/vojinovic-m/zmijica
Snake game in JavaScript implemented using functional programming principles + Supabase
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https://github.com/frouioui/debruijn
DeBruijn in Haskell
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https://github.com/noor188/how-to-code-simple-data
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https://github.com/mszarlinski/scalaz-learning
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https://github.com/critocrito/namefn
Set the name property of a function.
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https://github.com/Shohail-Ismail/Haskell-Texas-HoldEm
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https://github.com/vastavikadi/haskell
The language which will make you fall in love with Functional Programming
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https://github.com/vastavikadi/elixir
A personal journey into learning Elixir covering basics, functional programming concepts, and small hands-on projects. Scale to billions, real-time and what not.
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https://github.com/erthium/primes-and-others
General tests with prime numbers
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https://github.com/liitfr/sort-my-items
Sort an array's (or anything else's) items by defining a hierarchical set of criterias, à la FP
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https://github.com/kanitsharma/chikara
Monorepo of Mangaflux's frontend and microservices
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https://github.com/sushantpt/understanding_delegates
Code snippets of "Delegates in C#"
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https://github.com/grahamstrickland/functional_lean
Examples and exercises from "Functional Programming in Lean" - David Thrane Christiansen
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https://github.com/rcardin/reader-monad-kotlin
An implementation of the Reader Monad in Kotlin
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https://github.com/blueberryapps/lambdup-elixir-2017
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https://github.com/jungstershark/clojurecipe
ClojuRecipe is a Clojure-based command-line tool that suggests recipes using the Edamam API. It leverages functional programming principles to provide reliable recipe suggestions based on the ingredients you have available.
api clojure command command-line-tool edamam-api functional-programming immutable java leiningen pure-functions recipes
Last synced: 09 Mar 2026
https://github.com/wanjinyoo/sml
Functional programinng
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https://github.com/arduriki/servy
An HTTP server made with Elixir to learn functional programming
elixir elixir-lang elixir-language elixir-programming-language functional-programming http http-server iex mix
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https://github.com/davidkhahn/advanced_javascript
Closures & Prototypal Inheritance, Object Oriented Programming, Functional Programming, Asynchronous Javascript, Error Handling, Modules
asynchronous-programming closures error-handling functional-programming javascript modules oop prototypal-inheritance
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https://github.com/jvspeed74/python-workshop
This repository hosts various Python scripts that I've created on my journey to master the programming language. Each script contains a README.md file documenting the purpose and features of each script.
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https://github.com/epicallan/p2h-ui
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https://github.com/imtjl/fp-red-black-tree-dict
TreeDict - Implementation of Dict based on Red Black Tree in Elixir
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https://github.com/alex11br/myfsharpsnake
Yet another snake game witten in F#. This one has 2 versions: one that runs in the terminal, and a webapp.
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https://github.com/georgiifirsov/patternmatching
Short header-only library that allows you to use pattern matching in C++. Written in pure standard C++14.
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https://github.com/olekscode/montecarlointegration
Scala implementation of sequential and parallel Monte Carlo method for computing a deterministic numerical integration of functions
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https://github.com/gokselgoktas/hotline
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Notes from lectures and Haskell code from labs.
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https://github.com/milandjurdjevic/either
Functional-style error handling in C# using a simple Either implementation.
csharp error-handling functional-programming monads
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https://github.com/king-prawns/ramda-sfs
Ramda - Start from scratch
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https://github.com/barcek/awb
cultivate HTML | monadic DOM tree transformer | frontend generation | library & command line tool | Node.js
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https://github.com/apulbere/lagos
a collection of Java 8+ samples
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https://github.com/ythecombinator/jaspion
Practical java 8 utility belt for you projects.
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https://github.com/tristanpenman/haskell-exercises
Stuff I've worked through while learning Haskell
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https://github.com/viralpraxis/purist
Automatic runtime impure ruby methods invocation detection
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https://github.com/suddi/knightwatcherbot
Bot API for customized Telegram alerts, developed for AWS Lambda and API Gateway (https://bot.suddi.io)
api-gateway aws-lambda claudiajs dynamodb functional-programming nodejs serverless telegram
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https://github.com/davidgfolch/schibstedwebapptest
Schibsted Webapp Test with com.sun.net.httpserver
dependency-injection framework-agnostic functional-programming httpserver java-8 rxjava2 webapp
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https://github.com/rosewood69/javascript-html-css-telephone-number-validator
This is freeCodeCamp "JAVASCRIPT ALGORITHM & DATA STRUCTURE" Certification Project (TELEPHONE NUMBER VALIDATOR).
array-operation basic-algorithms basic-javascript data-object debugging dom-manupulation form-validation functional-programming html-css-javascript intermediate-javascript localstorage recursion regular-expression string-operations
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https://github.com/prncss-xyz/flua
iterator composition in lua
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https://github.com/zinthose/pureshell
"A Python module for impartial computation. Implements the Functional Core, Stateful Shell pattern.
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https://github.com/rcardin/road-to-fp-in-scala
A bunch of code that I used to learn the topic of functional programming in Scala.
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https://github.com/shitu13/javascript-projects
This repository contains a collection of JavaScript projects that demonstrate a range of skills and concepts, from fundamental programming principles to advanced web development techniques.
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https://github.com/rcardin/cat-notebook
Notes on Category Theory, taken while trying to understand the Functional Programming
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https://github.com/kyminbb/it
Iterator building blocks for Go, based on Go 1.23+ iterators
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My personal blog built with Ocaml and Soupault.
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https://github.com/saber2pr/ts-monad
TS-Monad inspired from Haskell-Monad.
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https://github.com/theolampert/asyncsequenceextensions
Array extensions for async and concurrent operations.
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https://github.com/denisshevchenko/pyerevan2019
Presentation for PYerevan meetup 2019
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https://github.com/jaandrle/jaajsu
JavaScript Utils
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https://github.com/olaven/fun
Util library for functional programming in Deno
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https://github.com/zoul/elm-currency-converter
Trivial currency conversion apps showcasing the Elm architecture
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https://github.com/chrisbenincasa/pure-redis
Pure functional Redis protocol implementation using Cats
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https://github.com/shivansh/fp-assignments
Assignments done as a part of the course Functional Programming (CS653).
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https://github.com/xfali/stream
A sequence of data values supporting sequential aggregate operations.
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https://github.com/bramirez96/functional-state-no-react-exploration
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https://github.com/salespaulo/poc-refactory
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