Best JavaScript Tools & Libraries

42 curated JavaScript tools, libraries, and open-source projects — hand-picked and ranked by the community.

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everything-claude-code

github

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

AI Tools
★ 163,080

anything-llm

github

The all-in-one AI productivity accelerator. On device and privacy first with no annoying setup or configuration.

AI Tools
★ 59,106

get-shit-done

github

A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code by TÂCHES.

Developer Tools
★ 55,774

BMAD-METHOD

github

Breakthrough Method for Agile Ai Driven Development

Developer Tools
★ 45,320

meteor

github

Meteor, the JavaScript App Platform

Frameworks
★ 44,769

bruno

github

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Testing
★ 42,953

desktop

github

Welcome to a calmer internet

Developer Tools
★ 41,593

puter

github

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

Cloud
★ 40,525

materialize

github

Materialize, a CSS Framework based on Material Design

Design
★ 38,947

react-bits

github

An open source collection of animated, interactive & fully customizable React components for building memorable websites.

Frameworks
★ 38,574

career-ops

github

AI-powered job search system built on Claude Code. 14 skill modes, Go dashboard, PDF generation, batch processing.

CLI Tools
★ 34,241

netron

github

Visualizer for neural network, deep learning and machine learning models

AI Tools
★ 32,803

AI-Expert-Roadmap

github

Roadmap to becoming an Artificial Intelligence Expert in 2022

AI Tools
★ 30,929

lighthouse

github

Automated auditing, performance metrics, and best practices for the web.

Developer Tools
★ 30,097

SillyTavern

github

LLM Frontend for Power Users.

AI Tools
★ 26,456

semantic-release

github

:package::rocket: Fully automated version management and package publishing

Automation
★ 23,558

eruda

github

Console for mobile browsers

Developer Tools
★ 20,934

hyperapp

github

1kB-ish JavaScript framework for building hypertext applications

Frameworks
★ 19,205

framework7

github

Full featured HTML framework for building iOS & Android apps

Frameworks
★ 18,651

metrics

github

📊 An infographics generator with 30+ plugins and 300+ options to display stats about your GitHub account and render them as SVG, Markdown, PDF or JSON!

Analytics
★ 16,471

dva

github

🌱 React and redux based, lightweight and elm-style framework. (Inspired by elm and choo)

Frameworks
★ 16,178

riot

github

Simple and elegant component-based UI library

Frameworks
★ 14,903

hapi

github

The Simple, Secure Framework Developers Trust

Frameworks
★ 14,782

mithril.js

github

A JavaScript Framework for Building Brilliant Applications

Frameworks
★ 14,531