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New JavaScript Libraries 2026

GitHub Libraries → JavaScript
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unitech/pm2 43K

added 1 day ago

Node.js Production Process Manager with a built-in Load Balancer.

JavaScript Deployment Tools TypeScript Deployment Tools

sindresorhus/fetch-extras 392

added 1 day ago

Useful utilities for working with Fetch

JavaScript HTTP Clients TypeScript HTTP Clients

mutativejs/travels 867

added 1 day ago

Patch-based undo/redo optimized for large state, small updates, long history, and persistence.

JavaScript State Management Libraries JSON Libraries TypeScript State Management Libraries JSON Libraries

toss/es-toolkit 11K

added 1 day ago

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

JavaScript Utilities TypeScript Utilities

jaredwray/cacheable 1K

added 1 month ago

A robust, scalable, and maintained set of caching packages

JavaScript Caching Libraries TypeScript Caching Libraries

jaredwray/keyv 3K +3

added 1 month ago

Simple key-value storage with support for multiple backends

JavaScript Databases TypeScript Databases

abbr/deasync 1K -1

added 1 month ago

Turns async function into sync via JavaScript wrapper of Node event loop

JavaScript Utilities TypeScript Utilities

validatorjs/validator.js 23K -2

added 2 months ago

A library of string validators and sanitizers.

JavaScript Validation Libraries

fingerprintjs/fingerprintjs 27K +75

added 2 months ago

The most advanced free and open-source browser fingerprinting library

TypeScript Security Libraries Auth Libraries JavaScript Security Libraries Auth Libraries

oldj/switchhosts 26K +42

added 2 months ago

Switch hosts quickly!

JavaScript Dev Tools TypeScript Dev Tools

javascriptdata/danfojs 5K -2

added 2 months ago

Fast, flexible, and expressive data structures designed to make working with "relational" or "labeled" data both easy and intuitive. It is heavily inspired by Pandas library, and provides a similar API.

JavaScript Data Science Libraries TypeScript Data Science Libraries

sudokar/aws-sdk-vitest-mock 16

added 2 months ago

A lightweight, TS-first mocking library for AWS SDK and Vitest with zero dependencies.

JavaScript Mocking Libraries AWS Libraries TypeScript Mocking Libraries AWS Libraries

alexreardon/tiny-invariant 1K -1

added 2 months ago

A tiny invariant function

TypeScript Utilities JavaScript Utilities

hexagon/croner 2K +2

added 2 months ago

Trigger functions using Cron syntax. No dependencies. All features.

JavaScript Cron Libraries Job Scheduling Libraries TypeScript Cron Libraries Job Scheduling Libraries

vercel-labs/agent-browser 15K

added 2 months ago

Browser automation CLI for AI agents

JavaScript Automation Libraries TypeScript Automation Libraries

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