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

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
60Health
Library npm

p-limit

A tiny, battle-tested utility for running async functions with a strict concurrency limit.

2,925
MIT
Used by 45
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
93Health
Library Composer

Guzzle

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

23,455
MIT
Used by 31
66Health
Library npm

p-queue

Promise queue with concurrency control, interval-based rate limiting, and priority scheduling for async tasks.

4,272
MIT
Used by 22
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
92Health
Library npm

bull-board

The framework-agnostic core API and queue adapters that power the Bull Board dashboard for Bull and BullMQ.

3,481
MIT
Used by 15
84Health
Library npm

@nestjs/bullmq

Official NestJS integration module for BullMQ, bringing decorator-based job queues to Nest applications.

703
MIT
Used by 13
64Health
Library npm

Bull

Redis-backed job queue for Node.js with retries, rate limiting, and scheduling

16,249
MIT
Used by 12
87Health
Library Composer

Symfony Yaml

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

3,840
MIT
Used by 12
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
88Health
Library Composer

Symfony HttpClient

A low-overhead, high-performance PHP HTTP client with sync, async, and streaming support

2,029
MIT
Used by 10
79Health
Library Composer

Symfony Process

Execute and manage sub-processes from PHP with a safe, cross-platform, streaming API

7,456
MIT
Used by 9
85Health
Library Composer

Symfony VarDumper

A better dump() function for PHP that walks and renders any variable clearly.

7,428
MIT
Used by 9
89Health
Library Composer

PHPMailer

The classic full-featured email creation and sending library for PHP

22,299
LGPL-2.1
Used by 8
97Health
Library Composer

PhpSpreadsheet

Read, write, and manipulate Excel, CSV, and ODS spreadsheet files in pure PHP with no external office suite required.

13,989
MIT
Used by 8
86Health
Library Composer

Monolog

The PSR-3 logging library that sends PHP logs to files, sockets, databases, and dozens of web services

21,405
MIT
Used by 7
55Health
Library npm

superagent

A small, progressive HTTP request library for Node.js and browsers with a single fluent, chainable API on both platforms.

16,637
MIT
Used by 7

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