Top 253 functional open source projects

A Virtual DOM based templating-engine for PHP

React functional CSS-in-JS

A reactive programming library for JavaScript.

Specification for interoperability of common algebraic structures in JavaScript

Examples and exercises from the blog series

A new Unix shell.

Suave is a simple web development F# library providing a lightweight web server and a set of combinators to manipulate route flow and task composition.

RequestVia: A Functional HTTP Client That Wraps Net::HTTP

Ramda + Ramda Fantasy + Sanctuary REPL 🌿

[READONLY] Library for implementing function call chains

Functional 3d graphics library

🌱 A friendly kotlin library to validate API endpoints using an OpenApi 3.0 and Swagger 2.0 specification

Fun with λ calculus!

PyPika is a python SQL query builder that exposes the full richness of the SQL language using a syntax that reflects the resulting query. PyPika excels at all sorts of SQL queries but is especially useful for data analysis.

⚡️ Functionally create DOM elements and compose them to a tree quickly

Functional visual programming environment

[DEPRECATED] Please use https://github.com/citycide/param.macro

Experimental library for currying in C++17

🌟 Library of helpers that are useful for functional programming

⚡ Flat-files and plain-old PHP functions rockin'on as a set of general purpose high-level abstractions.

Yglu ᕄ !? - YAML glue for structural templating and processing

The standard library of the D programming language

A demo for the ReactJS Tampa Bay meetup showing how to build a React+Redux-like architecture from scratch using Inferno, Most.js, reactive programmning, and various functional programming tools & techniques

Simple and non-intrusive code generator for lenses and boilerplate of data types

🦖 Composable JavaScript regular expressions

functional data structures and utilities for python

SwiftlyExt is a collection of useful extensions for Swift 3 standard classes and types 🚀

Immutable finite list objects with constant-time equality testing (===) and no memory leaks.

Partial lenses is a comprehensive, high-performance optics library for JavaScript

Kotlin Options with functional operators

☣⚫⚫ SPA Imageboad on WebSockets written on Erlang

A library that brings composition to http requests & solves most common tasks

Functional PHP Toolstet: Centralized monorepository for all libraries

Framework for building RESTful HATEOAS-driven applications.

A bunch of helper functions to ease the development of your applications.

Lightweight set of functional grid components

A functional, lightweight alternative to bluebird.js, built with async / await in mind.

Small, fast, modern HTTP server for Erlang/OTP.

A utility library for JavaScript and TypeScript.

🧬 Light, fast, reactive UI library

The kitchen sink of Python utility libraries for doing "stuff" in a functional way. Based on the Lo-Dash Javascript library.

A library adding some anti-Pythonic syntatic sugar to Python

The Flix Programming Language

HTTP/1.1, HTTP/2 and Websocket client for Erlang/OTP.

The modelling for success/failure of operations in Kotlin

📚 Functions and algorithms implemented purely with TypeScript's type system

Declarative, functional and extensible wrapper of JavaFX inspired by better parts of react and re-frame

Another Haskell web framework for rapid development

Looking for Luna, the WYSIWYG language for data processing? Development has moved 👉

Linq for list comprehension in C++

A functional programming toolkit for JavaScript.

A Learning Path for Functional Programming

Pampy.js: Pattern Matching for JavaScript

Utility library for functional programming in Lua

Jsonnet - The data templating language

Higher-order functions for c++

Render async Stateless Functional Components in React

Reactive Programming in Swift

A powerful little TUI framework 🏗

Features from the rust language in javascript: Provides Traits/Type classes & an advanced library for working with sequences/iterators in js