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

89Health
SDK npm

resend-node

The official Node.js and TypeScript SDK for sending email through the Resend API.

971
MIT
Used by 40
85Health
Library PyPI

packaging

Core Python utilities for versions, specifiers, markers, requirements, and metadata

752
Other
Used by 40
93Health
Library npm

Puppeteer

Node.js library for automating Chrome and Firefox over the DevTools Protocol and WebDriver BiDi

95,740
Apache 2.0
Used by 39
92Health
Framework npm

Astro

The web framework for building fast, content-driven websites with islands architecture.

63,426
MIT
Used by 39
92Health
Library npm

Socket.IO

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

63,223
MIT
Used by 39
51Health
Library Go

websocket

A fast, RFC 6455-compliant WebSocket implementation for Go with full control over framing, compression, and concurrency.

24,883
Other
Used by 39
95Health
SDK PyPI

redis-py

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

13,652
MIT
Used by 39
63Health
Library Go

pq

A pure Go PostgreSQL driver for Go's standard database/sql package.

9,967
MIT
Used by 39
95Health
Framework PyPI

Transformers

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

168,053
Apache 2.0
Used by 38
93Health
Tool npm

Cypress

Fast, easy, and reliable end-to-end and component testing for anything that runs in a browser.

51,013
MIT
Used by 38
75Health
Library npm

turndown

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

11,482
MIT
Used by 38
80Health
Library npm

@clack/prompts

Opinionated, ready-to-use interactive prompt components for building beautiful command-line apps in Node.js.

8,115
MIT
Used by 38
89Health
Tool npm

webpack-dev-server

The official live-reloading development server for webpack, with hot module replacement, HTTPS, and proxying built in.

7,844
MIT
Used by 38
52Health
Library npm

minimatch

The minimal glob matcher used internally by npm — converts glob patterns into JavaScript RegExp objects.

3,526
Other
Used by 38
97Health
SDK npm

@slack/web-api

Slack's official Node.js HTTP client for calling any of the 270+ Web API methods, with built-in queuing, retries, pagination, and rate-limit handling.

3,382
MIT
Used by 38
64Health
Tool npm

postcss-loader

Runs PostCSS plugins on your CSS as part of a webpack build pipeline.

2,839
MIT
Used by 38
94Health
Library PyPI

OpenTelemetry Prometheus Exporter

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

2,687
Apache 2.0
Used by 38
79Health
Library Cargo

log

A lightweight logging facade for Rust that decouples libraries from the logging implementation applications choose.

2,557
Other
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.

1,834
Other
Used by 38
91Health
SDK npm

@clickhouse/client

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

329
Apache 2.0
Used by 38
24Health
Library npm

@codemirror/lint

Linting support for the CodeMirror 6 code editor, with diagnostics, an error gutter, tooltips, and a lint panel.

26
MIT
Used by 38
85Health
Library PyPI

tqdm

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

31,362
Other
Used by 37
89Health
Framework npm

Better Auth

The most comprehensive, framework-agnostic authentication and authorization framework for TypeScript.

30,445
MIT
Used by 37
90Health
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.

24,656
MIT
Used by 37

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