Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

51Health
Library npm

superjson

Serialize JavaScript to a superset of JSON that keeps Dates, Maps, Sets, BigInts, and more intact.

5,281
MIT
Used by 32
81Health
Library npm

fast-xml-parser

Pure-JS XML parser, builder, and validator with no C/C++ bindings and no callbacks

3,139
MIT
Used by 32
38Health
Library npm

gray-matter

Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks

4,491
MIT
Used by 31
54Health
Library npm

cookie

Basic HTTP cookie parser and serializer for HTTP servers, with zero dependencies and full RFC 6265 support.

1,535
MIT
Used by 31
80Health
Library npm

jQuery

A fast, small, feature-rich JavaScript library for DOM traversal, event handling, animation, and Ajax with a concise, chainable API.

59,785
MIT
Used by 30
94Health
Tool npm

mocha

The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.

22,896
MIT
Used by 30
98Health
Library npm

three.js

The cross-browser JavaScript 3D library that renders scenes through WebGL and WebGPU behind one unified, node-based shading API.

115,997
MIT
Used by 29
56Health
Library npm

knex

A flexible, portable SQL query builder for Node.js supporting PostgreSQL, MySQL, CockroachDB, SQL Server, SQLite3, and Oracle.

20,347
MIT
Used by 29
77Health
Library npm

csv-parse

A flexible, dependency-free CSV parser for Node.js and the browser with stream, callback, and sync APIs.

4,287
MIT
Used by 29
77Health
Library npm

ignore

A pure JavaScript manager, filter, and parser for .gitignore-style rules, built exactly to the gitignore spec.

502
MIT
Used by 29
57Health
Library npm

ts-morph

Navigate and manipulate TypeScript code with a friendlier compiler API wrapper

6,194
MIT
Used by 28
94Health
SDK npm

supabase-js

The official isomorphic JavaScript SDK for Supabase — database, auth, realtime, storage, and edge functions in one client.

4,568
MIT
Used by 28
50Health
Library npm

react-textarea-autosize

A drop-in <textarea> replacement for React that automatically grows and shrinks to fit its content.

2,410
MIT
Used by 28
97Health
SDK npm

@azure/identity

Microsoft Entra ID credential library that authenticates every Azure SDK client, from managed identity in production to CLI and browser login in development.

2,296
MIT
Used by 28
44Health
Library npm

date-fns-tz

IANA time zone support for date-fns, powered by the native Intl API with zero bundled time zone data.

1,180
MIT
Used by 28
92Health
Framework npm

NestJS

A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.

76,743
MIT
Used by 27
88Health
Framework npm

Expo

Open-source framework for building universal native apps with React that run on Android, iOS, and the web.

52,467
MIT
Used by 27
90Health
Library npm

react-grid-layout

A responsive, draggable, and resizable grid layout system for React with breakpoints and zero jQuery.

22,436
MIT
Used by 27
85Health
Library npm

Chai

BDD/TDD assertion library for Node.js and the browser, framework-agnostic

8,268
MIT
Used by 27
75Health
Library npm

validator.js

A dependency-free library of 100+ string validators and sanitizers for Node.js and the browser.

23,736
MIT
Used by 26
97Health
Framework npm

Bootstrap

The world's most popular front-end framework for building responsive, mobile-first sites

174,919
MIT
Used by 25
61Health
Library npm

i18next-http-backend

An i18next backend plugin that loads translation resources over HTTP using fetch or XMLHttpRequest, for Node.js, browsers, and Deno.

525
MIT
Used by 25
71Health
Library npm

express-session

Simple, pluggable session middleware for Express that signs session IDs into a cookie and delegates data storage to any compatible store.

6,354
MIT
Used by 24
90Health
Library npm

openid-client

Certified OAuth 2 and OpenID Connect client for every modern JavaScript runtime.

2,421
MIT
Used by 24

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