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

86Health
Library PyPI

psutil

Cross-platform Python library for retrieving process and system utilization data.

11,273
BSD 3
Used by 40
59Health
Library npm

Archiver

A streaming Node.js library for generating ZIP and TAR archives on the fly

2,977
MIT
Used by 40
96Health
Library PyPI

PyTorch

A Python-first tensor library with GPU acceleration and a dynamic, define-by-run autograd engine for building and training deep neural networks.

103,008
BSD 3
Used by 39
95Health
Library npm

Socket.IO

Bidirectional, low-latency, event-based realtime communication for Node.js and the browser.

63,200
MIT
Used by 39
95Health
SDK PyPI

redis-py

The official Python client for Redis, with sync, asyncio, cluster, and Sentinel support.

13,640
MIT
Used by 39
75Health
Library npm

turndown

Convert HTML into clean, customizable Markdown in Node.js and the browser.

11,438
MIT
Used by 38
94Health
Library PyPI

OpenTelemetry Prometheus Exporter

Export OpenTelemetry metrics in Prometheus format so Prometheus can scrape your Python application.

2,631
Apache 2.0
Used by 38
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
95Health
Framework PyPI

Transformers

State-of-the-art pretrained models for text, vision, audio, and multimodal inference and training.

165,971
Apache 2.0
Used by 37
89Health
Library PyPI

tqdm

A fast, extensible progress bar for Python loops and CLI pipelines, with negligible overhead.

31,335
Other
Used by 37
94Health
Library PyPI

SQLAlchemy

The Python SQL toolkit and Object Relational Mapper that gives developers the full power and flexibility of SQL.

12,156
MIT
Used by 37
93Health
Framework npm

Docusaurus

React-based static site generator for building fast, maintainable documentation websites.

66,246
MIT
Used by 36
89Health
SDK PyPI

python-sdk

The official Python SDK for building Model Context Protocol servers and clients that expose tools, resources, and prompts to any LLM host.

24,294
MIT
Used by 36
84Health
Library npm

body-parser

Node.js body-parsing middleware that turns raw HTTP request bodies into ready-to-use req.body objects.

5,499
MIT
Used by 36
98Health
Library PyPI

google-auth

The foundational Python library for authenticating to Google Cloud and Google APIs with OAuth2, service accounts, and Application Default Credentials.

5,383
Apache 2.0
Used by 35
78Health
Tool npm

TypeScript Native Preview

Preview npm build of tsgo, the native Go port of the TypeScript compiler ahead of TypeScript 7.0.

26,194
Apache 2.0
Used by 34
92Health
Framework Composer

PHPUnit

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

20,055
BSD 3
Used by 34
54Health
Library npm

html-to-image

Turns any DOM node into a PNG, JPEG, SVG, or canvas image entirely client-side, with no server or screenshot service required.

7,235
MIT
Used by 34
86Health
Library npm

cron-parser

Parse, validate, and iterate cron expressions in Node.js with full timezone and DST support.

1,490
MIT
Used by 34
90Health
Tool PyPI

Gunicorn

A fast, lightweight pre-fork WSGI and ASGI HTTP server for running Python web apps in production on UNIX.

10,669
MIT
Used by 33
72Health
Library npm

compression

Node.js middleware that transparently gzip-, deflate-, or Brotli-compresses HTTP responses for Express and raw http servers.

2,806
MIT
Used by 33
94Health
Library PyPI

OpenTelemetry Python SDK

The reference implementation of the OpenTelemetry API for Python - traces, metrics, and logs

2,631
Apache 2.0
Used by 33
51Health
Library npm

debug

A tiny, zero-config JavaScript debugging utility with namespaced, color-coded output for Node.js and the browser.

11,454
MIT
Used by 32
74Health
Library npm

helmet

Secure Node and Express apps by setting protective HTTP response headers with a single line of middleware.

10,735
MIT
Used by 32

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