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: 2026-07-02 00:11:57 UTC
- JSON Representation
https://github.com/lechindianer/fp-talk
Intro talk on functional programming
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Last synced: 01 May 2026
https://github.com/riiswa/scala2haskell
A detailed comparison between the programming languages language and Haskell by presenting equivalent code.
functional-programming haskell scala
Last synced: 01 May 2026
https://github.com/zhongzc/gparser
A naive parser combinator library
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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/appsweet-co/debug
Makes your console logs much better
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https://github.com/wdalmut/kata-example-1
example functional-programming ramda
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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/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/gregros/dropin-geometry
Vector and complex math for graphics. Unfinished.
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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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Last synced: 10 Jun 2025
https://github.com/didier/functional-programming
Functional Programming subject of @CMDA-TT
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https://github.com/manoelcampos/fp-projeto-1-poligonos-flatmap
Um projeto base em OpenJFX para desenhar polígonos na tela e permitir a implementação de algumas funções para descobrir o tipo de cada polígono e calcular seu perímetro usando Stream.map() e flatMap()
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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/will-1-am/stanford
Stanford cs193p Spring 2020 course led by Paul Hegarty illustrating MVVM architecture, generics, functional programming using SwiftUI and Xcode. Homework assignments are included as separate git branches.
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https://github.com/fabiannorbertoescobar/lambdas-streams-java-ejercicios
Programación funcional en Java con Lambdas y Streams
functional-interfaces functional-programming java java-8 lambda lambda-functions optional streams testing
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https://github.com/rvarago/cpp_optional_extras
*EXPERIMENTAL* A handful of C++ utilities I wish std::optional<T> had
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https://github.com/sandwwraith/fp-homework
Homework for FP ITMO course
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https://github.com/plave0/pp
Programming paradigms course material.
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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/just-styx/mocking
Testing with Mockito
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https://github.com/milaziabchenko/minimo-website
Stylish photodiary | lifestyle | travel multi-page website created with modern features of HTML5, CSS3, and JavaScript, combining functional programming and OOP approaches
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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/maccauhuru/modern-js-sandbox-code
Code i am writing for the modern JS from beginning course
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https://github.com/stephenombuya/spreadsheetapplication
A simple, interactive spreadsheet web application built using HTML, CSS, and JavaScript. This app allows users to create, modify, and organize data in a grid-like format, mimicking a basic spreadsheet interface.
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https://github.com/ethern-myth/spring-postgres
Java SpringBoot PostgreSQL RestAPI
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https://github.com/iampeterbanjo/alchemy
Elixir/Phoenix portfolio apps
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https://github.com/shaanbanday/me-101-c-plus-plus
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https://github.com/yeonsolkim/fp-lean-print
Print layout helpers for generating a Letter-size PDF of Functional Programming in Lean
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https://github.com/ildella/pipelean
A pragmatic library for sequential async operations with first-class error handling.
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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/tanbirhossain/fsharp-learn
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https://github.com/spacesoldier/starty
a lightweight framework which helps building modular and configurable Node.js applications
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https://github.com/ari-s-123/pdp-hw3
A cli tool built with Bun, TypeScript, and Functional Programming to process listings files from the AirBnB Get the Data page.
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https://github.com/rsrini7/myelmresume
My Short Resume using ELM Language 0.18
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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/dimasmiftah/structuring
Structuring data from .txt file to JavaScript object literal using higher-order functions.
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https://github.com/mdw-go/funcy
Functional programming toolkit for Go
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https://github.com/nrissot/DPF-2024-BinaryTree
🐫 Code OCaml du projet de Programmation Fonctionnelle de L2S4
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https://github.com/bilal-fazlani/gossip-glomers-scala-template
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https://github.com/arthi-chaud/j4hskl
JSON for Haskell
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https://github.com/ignaciopieroni/functional-programming
We want to process a set of organizations from different industries to perform various queries about them using concepts from the functional paradigm. For each organization we know its name, website and other important fields. The main goal is to focus on modeling the data types and writing the necessary functions to perform the required analysis.
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https://github.com/zalbia/learning-eff
Learning eff
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https://github.com/mizcausevic-dev/haskell-policy-engine
Type-safe policy DSL in Haskell. Algebraic data type Policy = Allow | Deny | When; predicates compose via And/Or/Not; pure total evaluator; Aeson JSON codec; Hspec + QuickCheck tests. Functional purity flex for the agent-governance theme.
access-control aeson ai-governance dsl functional-programming haskell hspec platform-engineering policy-engine quickcheck
Last synced: 01 Jun 2026
https://github.com/sidmishraw/gunc
Golang functional programming library
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Last synced: 19 Oct 2025
https://github.com/oguzadali/thex
Blog project created with NodeJs. ExpressJs, Handlebars, MongoDB were used in the project.
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Last synced: 14 Apr 2026
https://github.com/saber2pr/fp
:heavy_minus_sign: A library for Javascript in functional programing in async | sync | lazy.
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Last synced: 17 Jun 2026
https://github.com/pixcai/hscheme
Write Yourself a Scheme in 48 Hours
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https://github.com/tolikpylypchuk/fsbowling
A library which calculates a bowling score, written in F#
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https://github.com/denisdubochevalier/monad
Implementation of monads in go with generics
functional-programming monad monads
Last synced: 21 Jan 2026
https://github.com/daggerok/functional-and-reactive-principles-in-scala
Never too late! My learning process for 'Functional Programming Principles in Scala' and 'Principles of Reactive Programming in Scala' courses!
functional functional-programming functional-reactive-programming functional-testing scala
Last synced: 14 Jun 2026
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/hongchangwu/pfds
Exercises from "Purely Functional Data Structures"
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https://github.com/sachdevavaibhav/js-fundamentals
JavaScript Fundamentals (Notes) ft. Namaste JavaScript
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https://github.com/rolangom/rolads
Monads implementation by @rolangom
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https://github.com/nshkrdotcom/elixir_dashboard
A Phoenix LiveView performance monitoring dashboard for tracking slow endpoints and database queries
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https://github.com/btylrob/btylrob.github.io
Personal OPAM / Lua Website
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https://github.com/noxecane/pyfunk
An exploration of functional programming in python
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https://github.com/afsalthaj/easyalgebird
Big Data: A simple code to make things easy to aggregate a scalding typedpipe
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https://github.com/packquickly/little_lambda
Function composition, the un-Pythonic way!
Last synced: 31 Mar 2025
https://github.com/rjdestigter/rxjs-single-state-todomvc
Experimental serliazable, time-travelable single state solution using RxJS observables
functional-programming reactjs rxjs typescript
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https://github.com/agnivchtj/scala-interpreter
Built a definitional interpreter that parses, desugars and interprets the value of a core-language expression.
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Last synced: 11 Oct 2025
https://github.com/suddi/string-formatting
NPM string formatting module for string beautification (https://www.npmjs.com/package/string-formatting)
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https://github.com/tdibacco/fp
Functional Programing constructs for Go.
functional-programming golang-library
Last synced: 14 Jan 2026
https://github.com/anvell/result-extensions
Additional extensions and imperative bindings for Kotlin's 'Result' type
functional-programming kotlin kotlin-coroutines kotlin-library result-type
Last synced: 11 Oct 2025
https://github.com/sophiecollard/variance
Simple examples to illustrate the differences between invariance, covariance and contravariance in Scala
contravariance covariance fp functional-programming invariance scala
Last synced: 10 Oct 2025
https://github.com/marcin-chwedczuk/fpinscala
My solutions to the exercises from "Functional Programming in Scala" book.
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Last synced: 24 Oct 2025
https://github.com/aayushyadavz/todo-app-react
Built a ToDo App using React JS.
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https://github.com/jul10l1r4/contador
Um simples contador de views 🎩
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https://github.com/noor188/space-invaders
The design of the classic arcade game space invaders
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https://github.com/lagenorhynque/grokking-functional-programming
Study notes on 『なっとく!関数型プログラミング』(Grokking Functional Programming)
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https://github.com/lotusirous/functional-pearls
Pearls of Functional Algorithm Design by Richard Bird - ocaml
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https://github.com/felipesalvadordev/functional_programming
Java functional programming implementations
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https://github.com/pkarpovich/functional-programming-labs
BSTU Functional Programming Labs
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https://github.com/sevmardi/functional-design-in-java
Functional design in Java
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https://github.com/sourcevault/flyd-group-within
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https://github.com/attack-monkey/react-fn
A simple, functional approach to React
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https://github.com/biancodavide3/ultimate-java
The Ultimate Java Series of Courses from CodeWithMosh, from beginner to advanced topics
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https://github.com/zalbia/zio-structure
Just learning how to structure ZIO programs
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https://github.com/rcardin/cats-effect-playground
A set of small projects to learn and to understand the cats-effect library
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https://github.com/xsismadn3ss/basic_exercises_gleam
Ejercicios básicos para aprender conceptos de Gleam
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https://github.com/therealkoedev/railway-results
Monads for easy and compact error handling with Railway Oriented Programming.
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https://github.com/carlossanabriam/csharp-basics
Some projects related to OOP, functional programming and parallel programming in C#
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Last synced: 08 Oct 2025
https://github.com/filipondios/something
something functional
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https://github.com/mrgravity817/elastack
OTP stack server that pushes and pops
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https://github.com/zeucxb/alura-functional-js
Curso de javascript funcional da Alura.
functional-programming javascript
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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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Last synced: 04 Feb 2026
https://github.com/rom-chik/kma_fp
Functional programming course on Haskell.
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https://github.com/ssi02014/js-functional-programming
📄 함수형프로그래밍ES6+ Code
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https://github.com/jferard/yamft
YAMFT (Yet another `more-functools`) is another functional library for Python
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https://github.com/phantie/pipe-forward
A tiny functional composition utility for Python. It allows you to create pipelines of functions using the | operator. Similar to |> (pipe forward) operator in F#.
fsh functional-programming pipe-forward python
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https://github.com/kiwamizamurai/miso-numeron
A Bulls and Cows number guessing game built with Haskell and Miso framework, compiled to WebAssembly
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https://github.com/tsnobip/best-practices-and-fp
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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/dashkite/joy
The simplicity of Lodash with the functional flair of Rambda.
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https://github.com/mhbxyz/fptk
Pragmatic functional programming helpers for Python.
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https://github.com/andrewbrennanfr/andrewbrennanfr
🪐 A personal bio for GitHub
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https://github.com/nkcoder/byronbay
Playground for functional programming with Scala
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