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

84Health
Library npm

sanitize-html

Allowlist-based HTML sanitizer that strips XSS vectors from untrusted markup while preserving the tags and attributes you choose to keep.

4,630
MIT
Used by 42
72Health
Library PyPI

psycopg2

The most popular PostgreSQL database adapter for Python, implementing the full DB API 2.0 specification.

3,656
Other
Used by 42
84Health
Library PyPI

psutil

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

11,284
BSD 3
Used by 41
91Health
Library npm

BullMQ

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

9,442
MIT
Used by 41
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.

103,425
BSD 3
Used by 40
95Health
Framework PyPI

aiohttp

Asynchronous HTTP client and server framework for Python's asyncio, covering both API calls and building web/WebSocket services.

16,561
Apache 2.0
Used by 40
94Health
SDK PyPI

redis-py

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

13,647
MIT
Used by 39
95Health
Framework PyPI

Transformers

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

166,736
Apache 2.0
Used by 38
93Health
Library PyPI

OpenTelemetry Prometheus Exporter

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

2,649
Apache 2.0
Used by 38
92Health
Library npm

Tauri Plugin FS

Cross-platform file system access for Tauri apps through a typed JavaScript API backed by Rust.

1,817
Other
Used by 38
90Health
Library PyPI

tqdm

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

31,347
Other
Used by 37
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.

24,417
MIT
Used by 37
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.

5,391
Apache 2.0
Used by 37
61Health
Library npm

react-colorful

A tiny, dependency-free color picker component for React and Preact apps

3,557
MIT
Used by 37
92Health
Framework npm

Docusaurus

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

66,349
MIT
Used by 36
82Health
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
80Health
SDK npm

Octokit REST

The official GitHub REST API client for JavaScript and TypeScript, with a typed method for every endpoint.

664
MIT
Used by 36
84Health
Library npm

cron-parser

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

1,495
MIT
Used by 34
88Health
Tool PyPI

Gunicorn

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

10,686
MIT
Used by 33
93Health
Library PyPI

OpenTelemetry Python SDK

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

2,649
Apache 2.0
Used by 33
84Health
Library npm

cRonstrue

Turns cron expressions into human-readable descriptions, in 30+ languages.

1,636
MIT
Used by 33
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
85Health
Library npm

Popper

A lightweight ~3kB positioning engine that places tooltips, popovers, and dropdowns precisely while keeping them in view.

32,753
MIT
Used by 31

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