Top 218 functional open source projects

Pareto.js
An extremely small, intuitive and fast functional utility library for JavaScript
Phunctional
⚡️ λ PHP functional library focused on simplicity and performance
Refunk
🎧 Simple React functional setState
Spirit
Modern modular library for building web applications
Min
A tiny concatenative programming language and shell
Flow
Flow is a Swift library for working with asynchronous flows and life cycles
Falco
A functional-first toolkit for building brilliant ASP.NET Core applications using F#.
Fxjs
Functional Extensions Library for JavaScript
Gluon
A static, type inferred and embeddable language written in Rust.
Koin Samples
KOIN - a concise and pragmatic dependency injection framework for Kotlin -- #Samples
Swiftparsec
A parser combinator library written in the Swift programming language.
Deep Waters
🔥Deep Waters is an easy-to-compose functional validation system for javascript developers 🔥
Doctorpretty
Wadler's "A prettier printer" embedded pretty-printer DSL for Swift
Irken Compiler
Irken is a statically typed variant of Scheme. Or a lisp-like variant of ML.
Param.macro
Partial application syntax and lambda parameters for JavaScript, inspired by Scala's `_` & Kotlin's `it`
Chaos
The Chaos Programming Language
Poprc
A Compiler for the Popr Language
Gr8
Customizable, functional css utilities
Swiss
🇨🇭Functional custom elements
Folktale
[not actively maintained!] A standard library for functional programming in JavaScript
Kotlin Openapi Spring Functional Template
🍃 Kotlin Spring 5 Webflux functional application with api request validation and interactive api doc
Helios
A purely functional JSON library for Kotlin built on Λrrow
Extratools
145+ extra higher-level functional tools beyond standard library's `itertools`, `functools`, etc. and popular third-party libraries like `toolz`.
Rangeless
c++ LINQ -like library of higher-order functions for data manipulation
Umbrella
"A collection of functional programming libraries that can be composed together. Unlike a framework, thi.ng is a suite of instruments and you (the user) must be the composer of. Geared towards versatility, not any specific type of music." — @loganpowell via Twitter
Asyncninja
A complete set of primitives for concurrency and reactive programming on Swift
Pipetools
Functional plumbing for Python
Sup
Composable, purely functional healthchecks in Scala.
Eclipse Collections
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
Ramdascript
🐏 Lisp that compiles to JavaScript in the Ramda way
Arare
Lightweight curried functional programming library
Purewebappsample
Minimal http4s + Doobie + ZIO + Circe Scala application to show how to build a purely functional web application in Scala.
Fungen
Replace boilerplate code with functional patterns using 'go generate'
Hm
Idiomatic Ruby hash transformations
Watermarkjs
🎑 Watermarking for the browser
Atto
An insanely simple self-hosted functional programming language
Effector React Realworld Example App
Exemplary real world application built with Effector + React
Pyrsistent
Persistent/Immutable/Functional data structures for Python
Alembic
⚗️ Functional JSON Parser - Linux Ready 🐧
Tiny Atom
Pragmatic and concise state management.
Motorcyclejs
A statically-typed, functional and reactive framework for modern browsers
Forge
Functional style JSON parsing in Kotlin
Lens
A utility for working with nested data structures.
Cron4s
Cross-platform CRON expression parsing for Scala
Rxstorekit
StoreKit library for RxSwift
Gemma
A lightweight CSS library.
Dush
👏 Microscopic & functional event emitter in ~350 bytes, extensible through plugins.
Fuego
Functional Experiment in Golang
Funcy.js
funcy.js - a functional web components wrapper
1-60 of 218 functional projects