Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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TanStack Query
Hooks-based async state management for fetching, caching, and syncing server data in React.
Chart.js
Simple, flexible JavaScript charting for designers and developers
PapaParse
The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies
Faker
Generate massive amounts of realistic fake data for testing, seeding, and mocking in JavaScript and TypeScript.
SWR
React Hooks for data fetching with built-in caching, revalidation, and real-time updates
gray-matter
Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks
Faker
Generate realistic fake data for seeding, testing, and anonymizing PHP apps
Mongoose
Schema-based MongoDB object modeling for Node.js, with built-in validation, middleware hooks, and typed models.
electron-store
Simple, encrypted JSON persistence for your Electron app — save user settings, window state, and cache across the main and renderer processes.
markdown-it-py
A CommonMark-compliant Markdown parser for Python, ported from the JS markdown-it
pretty-bytes
Convert byte counts into human-readable strings like 1337 → 1.34 kB, with binary, bit, and locale-aware formatting options.
conf
Simple, schema-validated config file persistence for Node.js apps and CLI tools
showdown
A bidirectional Markdown-to-HTML and HTML-to-Markdown converter for JavaScript, usable in Node or the browser.
Markdown
The reference Python implementation of John Gruber's Markdown, with a pluggable extension system for converting text to HTML.
html2text
Converts HTML into clean, readable Markdown-formatted plain text, as both a Python library and a CLI tool.