Lodash

A modern JavaScript utility library delivering modularity, performance & extras.

Ramda

A practical functional library for JavaScript programmers.

rxjs

A reactive programming library for JavaScript

Turf.js

Advanced geospatial toolkit for Typescript

faker-js/faker

Generate massive amounts of fake data in the browser and node.js

Remeda

Fully written in TypeScript for powerful, type-safe, and functional utilities.

radash

Functional utility library - modern, simple, typed, powerful

Effect

The best way to build robust apps in TypeScript

toss/es-toolkit

A modern JavaScript utility library that's 2-3 times faster and up to 97% smaller—a major upgrade to lodash.

Boxed

Essential building-blocks for functional & safe TypeScript code

radashi-org/radashi

The modern, community-first TypeScript toolkit with all of the fast, readable, and minimal utility functions you need. Type-safe, dependency-free, tree-shakeable, fully tested.