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

90Health
Framework PyPI

FastAPI

A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.

102,333
MIT
Used by 76
62Health
Library PyPI

rich

A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.

57,363
MIT
Used by 46
90Health
Tool PyPI

Ruff

An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.

49,630
MIT
Used by 46
90Health
Library npm

Prisma Client

Auto-generated, type-safe database client for Node.js and TypeScript.

47,610
Apache 2.0
Used by 46
86Health
Library PyPI

typing_extensions

Backported and experimental type-hint features for Python, usable on older interpreters and ahead of the stdlib.

582
Other
Used by 45
90Health
Library PyPI

websockets

Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.

5,717
BSD 3
Used by 29
90Health
Framework PyPI

Typer

Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.

19,983
MIT
Used by 26
71Health
Tool npm

webpack-bundle-analyzer

Turns webpack build stats into an interactive, zoomable treemap so you can see exactly what's bloating every bundle.

12,656
MIT
Used by 26
80Health
Library npm

Ink

React for CLIs — build and test interactive command-line apps using declarative, Flexbox-based components instead of manual stdout writes.

39,871
MIT
Used by 18
91Health
Library PyPI

Celery

Distributed task queue for running asynchronous jobs, scheduled work, and complex workflows across Python applications at scale.

28,883
BSD 3
Used by 16
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
87Health
Tool PyPI

isort

Automatically sorts and organizes Python import statements

6,951
MIT
Used by 8
77Health
Library PyPI

Markdown

The reference Python implementation of John Gruber's Markdown, with a pluggable extension system for converting text to HTML.

4,246
BSD 3
Used by 8
58Health
Tool PyPI

flake8

The CLI linter that wraps PyFlakes, pycodestyle, and McCabe complexity checks into a single Python style and error checker.

3,823
MIT
Used by 8
55Health
SDK npm

msgraph-sdk-javascript

Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.

833
MIT
Used by 8
94Health
Library npm

gridstack.js

A dependency-free TypeScript library for building draggable, resizable, responsive dashboard grid layouts in the browser.

9,115
MIT
Used by 7
73Health
Library PyPI

OAuthLib

Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python

2,980
BSD 3
Used by 6
67Health
Library PyPI

pendulum

A drop-in replacement for Python's datetime with timezone-aware objects by default and a friendlier API.

6,674
MIT
Used by 5
52Health
Library Go

survey

Interactive, accessible command-line prompts for Go — select, input, confirm, and multi-select components for POSIX and Windows terminals.

4,104
MIT
Used by 5
49Health
Library PyPI

fake-useragent

Up-to-date user-agent string faker backed by a real-world browser usage database, bundled offline.

4,050
Apache 2.0
Used by 5
90Health
Library PyPI

fpdf2

A pure-Python library for generating and manipulating PDF documents, with text, images, tables, barcodes, SVG, and digital signing built in.

1,540
Other
Used by 5
91Health
Library PyPI

kombu

A Python messaging library giving Celery and other apps one high-level API over AMQP, Redis, SQS, and a dozen other broker transports.

3,142
BSD 3
Used by 4
49Health
Library Cargo

inquire

A Rust library for building interactive command-line prompts — text, select, multiselect, confirm, date, and password inputs with validation, autocompletion, and theming.

2,626
MIT
Used by 4
87Health
Library PyPI

django-celery-beat

Store and manage Celery periodic task schedules in the Django ORM, editable from the Django admin.

1,953
BSD 3
Used by 4

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