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

postcss

A CSS transformation engine that parses styles into an AST, letting JS plugins lint, prefix, and rewrite CSS — the foundation beneath Autoprefixer, Tailwind, and 200+ other tools.

28,972
MIT
Used by 277
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
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
91Health
Library npm

BullMQ

Fast, reliable Redis-based message queue and background job processing for Node.js and TypeScript.

9,396
MIT
Used by 41
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
92Health
Framework Composer

PHPUnit

The de facto standard, programmer-oriented unit testing framework for PHP.

20,055
BSD 3
Used by 34
78Health
Tool npm

TypeDoc

Generates browsable API documentation straight from TypeScript source and doc comments, using the real compiler to get types right.

8,453
Apache 2.0
Used by 32
93Health
Library Composer

Guzzle

An extensible PHP HTTP client for sending requests and integrating with web services

23,455
MIT
Used by 31
38Health
Library npm

gray-matter

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

4,490
MIT
Used by 31
90Health
Library npm

Inquirer.js

Interactive command-line prompts for Node.js — lists, checkboxes, confirms, and more with a single async API.

21,623
MIT
Used by 29
98Health
Framework Composer

Laravel

The expressive, elegant PHP framework for building modern web applications

34,910
MIT
Used by 21
92Health
Tool npm

GraphQL Code Generator

A plugin-based CLI that generates typed code from a GraphQL schema and operations

11,263
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
55Health
Library Composer

Collision

Beautiful command-line error reporting for PHP apps and test suites

4,658
MIT
Used by 18
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
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
49Health
Library npm

regenerator-runtime

The runtime library that powers Babel-compiled ES6 generator and async/await functions in ES5 environments

3,823
MIT
Used by 15
85Health
Tool npm

openapi-ts

OpenAPI-to-TypeScript code generator producing production-grade SDKs, Zod schemas, and TanStack Query hooks.

5,406
MIT
Used by 14
58Health
SDK Composer

league/flysystem-aws-s3-v3

The official AWS S3 v3 SDK adapter for PHP Flysystem's unified filesystem API.

1,657
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
87Health
Library Composer

Symfony Yaml

PHP component for parsing and dumping YAML files, used throughout the Symfony framework

3,840
MIT
Used by 12
63Health
Library npm

react-qr-code

A lightweight React and React Native component that renders scannable QR codes as inline SVG.

892
MIT
Used by 12

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