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

92Health
Library npm

TanStack Query

Hooks-based async state management for fetching, caching, and syncing server data in React.

50,296
MIT
Used by 182
83Health
Library npm

Chart.js

Simple, flexible JavaScript charting for designers and developers

67,694
MIT
Used by 73
92Health
Library npm

undici

A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies

7,695
MIT
Used by 70
81Health
Library npm

PapaParse

The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies

13,568
MIT
Used by 61
91Health
Library npm

Faker

Generate massive amounts of realistic fake data for testing, seeding, and mocking in JavaScript and TypeScript.

15,486
MIT
Used by 60
93Health
Library PyPI

urllib3

A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.

4,058
MIT
Used by 48
68Health
Library npm

proxy-agent

Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.

1,161
MIT
Used by 47
90Health
Library npm

Prisma Client

Auto-generated, type-safe database client for Node.js and TypeScript.

47,610
Apache 2.0
Used by 46
86Health
Library npm

SWR

React Hooks for data fetching with built-in caching, revalidation, and real-time updates

32,477
MIT
Used by 43
92Health
SDK npm

@clickhouse/client

The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.

331
Apache 2.0
Used by 38
38Health
Library npm

gray-matter

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

4,490
MIT
Used by 31
53Health
Library Composer

Faker

Generate realistic fake data for seeding, testing, and anonymizing PHP apps

3,992
MIT
Used by 21
84Health
Library npm

http-proxy-middleware

The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.

11,126
MIT
Used by 20
48Health
Library npm

forge

A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.

5,331
Other
Used by 17
95Health
Library npm

Mongoose

Schema-based MongoDB object modeling for Node.js, with built-in validation, middleware hooks, and typed models.

27,468
MIT
Used by 15
84Health
Library npm

got

Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.

14,940
MIT
Used by 15
44Health
Library npm

electron-store

Simple, encrypted JSON persistence for your Electron app — save user settings, window state, and cache across the main and renderer processes.

5,019
MIT
Used by 15
67Health
Library npm

mathjs

Extensive math library for JavaScript and Node.js with big numbers, complex numbers, units, and matrices.

15,072
Apache 2.0
Used by 14
62Health
Library npm

pretty-bytes

Convert byte counts into human-readable strings like 1337 → 1.34 kB, with binary, bit, and locale-aware formatting options.

1,309
MIT
Used by 14
91Health
Framework Go

Echo

A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.

32,705
MIT
Used by 13
44Health
Library npm

Micromatch

Fast, POSIX-compliant glob matching for Node.js — the drop-in replacement for minimatch and multimatch.

3,039
MIT
Used by 13
42Health
Library npm

GSAP

The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.

28,405
Other
Used by 11
58Health
Library npm

conf

Simple, schema-validated config file persistence for Node.js apps and CLI tools

1,346
MIT
Used by 10
55Health
SDK npm

msgraph-sdk-javascript

Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.

833
MIT
Used by 8

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