Open-source alternatives to Pico Lambda

An experiment in adding functional pattern matching to JavaScript

Functional Programming Python - Pain

Ramda Adjunct is the most popular and most comprehensive set of functional utilities for use with Ramda, providing a variety of useful, well tested functions with excellent documentation.

An extremely small, intuitive and fast functional utility library for JavaScript

Ultra-high performance reactive programming

tiny (2.7kb) functional programming library using native es5/6 operations

Functional programming date manipulation library

Javascript Generalized Parser Combinators

Microscopic functional programming context for TypeScript

Do notation pipes for Promise-based or pure functions which easy to mock

Powerful pipes for TypeScript, that chain Promise and ADT for you 🚌 -> ⛰️ -> 🚠 -> 🏂 -> 🚀

Tiny TypeScript functional dependency injection, based on AsyncLocalStorage. Supports Node.js, Deno

TypeScript multimethods inspired by Clojure multimethods

Functors, Applicatives, And Monads in Python

Curry All Code

Functional programming in Python with generators and other utilities.

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

Returns is a functional programming library for Python that provides type-safe containers for managing state, error handling, and optionality. It serves as a monadic container library and a type-safe error handling framework, replacing traditional try-catch blocks and null checks with Result and Optional containers to treat exceptions as data. The project is distinguished by its use of a specialized Mypy static analysis plugin to validate functional pipelines and emulate higher kinded types. It provides mechanisms for isolating side effects through IO containers and offers a framework for typ

This project is a functional programming library and toolkit for building production TypeScript applications. It provides a system for managing concurrency, error handling, and resource lifecycles using functional effects. The project distinguishes itself through a comprehensive suite of specialized toolkits, including a dependency injection framework for decoupling service implementations, a workflow orchestrator for coordinating durable processes, and a SQL database toolkit for consistent data operations across multiple dialects. It also implements an OpenTelemetry instrumentation library f

Python library for creating data pipelines with chain functional programming

Natural 🌿 effect system that fits TypeScript

more-itertools is a Python iterable utility library providing advanced functions for manipulating, filtering, and transforming data sequences. It serves as a data stream processing toolkit and a set of utilities for iterator state management, extending the capabilities of the standard Python itertools module. The library includes a combinatorial math toolkit for generating permutations, combinations, and powersets, alongside routines for number theory calculations and matrix operations. It also provides tools for stream state management, allowing users to peek at upcoming elements or seek wit

A functional JavaScript library that facilitates currying and point-free programming

Functional tools that couldn’t be simpler.