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

58Health
Library npm

Fuse.js

Lightweight, zero-dependency fuzzy-search library for JavaScript and TypeScript, in the browser or on the server.

20,509
Apache 2.0
Used by 65
93Health
Library npm

KaTeX

Fast, self-contained JavaScript library for print-quality LaTeX math rendering on the web.

20,469
MIT
Used by 65
83Health
Library Cargo

futures

The foundational Future, Stream, and Sink traits and combinators for zero-cost async Rust

5,935
Apache 2.0
Used by 65
65Health
Tool npm

css-loader

Resolves CSS @import and url() like JavaScript imports so webpack can bundle stylesheets and their assets.

4,319
MIT
Used by 65
56Health
Tool npm

eslint-plugin-jsx-a11y

Static ESLint rules that catch JSX accessibility issues before code ships.

3,630
MIT
Used by 65
69Health
Library npm

React Icons

SVG icon components for React, bundling 40+ popular icon packs behind one consistent import syntax.

12,684
MIT
Used by 64
87Health
Library npm

Moment.js

Parse, validate, manipulate, and display dates in JavaScript with a chainable API.

47,885
MIT
Used by 63
53Health
Framework Go

Cobra

The commander library that powers Kubernetes, Hugo, and GitHub CLI's command-line interfaces.

44,721
Apache 2.0
Used by 63
92Health
Library PyPI

Pillow

The friendly PIL fork that adds image processing capabilities to Python

13,920
Other
Used by 62
79Health
Library npm

PapaParse

The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies

13,588
MIT
Used by 62
68Health
Library Go

jwt

A zero-dependency Go implementation of JSON Web Tokens (JWT) with pluggable HMAC, RSA, RSA-PSS, ECDSA, and Ed25519 signing methods.

9,251
MIT
Used by 62
62Health
Tool npm

prettier-plugin-tailwindcss

Prettier plugin that automatically sorts Tailwind CSS classes into a consistent order

7,139
MIT
Used by 62
57Health
Library Cargo

url

A WHATWG-standard-compliant URL parser and manipulation library for Rust.

1,576
Apache 2.0
Used by 62
98Health
Library PyPI

pandas

The Python DataFrame library for fast, flexible, and expressive data analysis and manipulation.

50,259
BSD 3
Used by 61
75Health
Library npm

chokidar

Minimal and efficient cross-platform file watching for Node.js.

12,254
MIT
Used by 61
74Health
Library Cargo

sha2

Pure Rust implementation of the SHA-2 hash function family (SHA-224/256/384/512) with hardware-accelerated backends.

2,280
Other
Used by 61
89Health
Framework npm

Hono

A small, ultrafast web framework built on Web Standards that runs identically everywhere.

32,649
MIT
Used by 60
91Health
Library npm

Faker

Generate massive amounts of realistic fake data for testing, seeding, and mocking in JavaScript and TypeScript.

15,528
MIT
Used by 60
90Health
SDK PyPI

boto3

The official AWS SDK for Python — call every Amazon Web Services API from your code.

9,920
Apache 2.0
Used by 60
94Health
SDK npm

Anthropic TypeScript SDK

The official TypeScript and JavaScript SDK for building on Anthropic's Claude API.

2,149
MIT
Used by 60
97Health
SDK PyPI

OpenAI Python SDK

The official Python library for the OpenAI REST API, generated from OpenAI's OpenAPI spec with typed sync and async clients.

31,926
Apache 2.0
Used by 59
64Health
Library npm

React Syntax Highlighter

A React component for syntax-highlighting code blocks using highlight.js or Prism ASTs, with JavaScript-based styles and no external stylesheet required.

4,673
MIT
Used by 59
49Health
Library npm

Tailwind CSS Forms

A basic reset for form styles that makes form elements easy to override with Tailwind utilities

4,564
MIT
Used by 59
76Health
Library Cargo

regex

Rust's finite-automata regex engine with guaranteed linear-time matching and no catastrophic backtracking.

4,045
Apache 2.0
Used by 59

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