Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category
Tags2
Sort:Used by Most Apps
aiohttp
Asynchronous HTTP client and server framework for Python's asyncio, covering both API calls and building web/WebSocket services.
Ink
React for CLIs — build and test interactive command-line apps using declarative, Flexbox-based components instead of manual stdout writes.
Slack SDK for Python
The official Python SDK for building apps, bots, and integrations on the Slack Platform.
micromark
The smallest 100% CommonMark-compliant markdown parser, with GFM and MDX support
yarl
Immutable, encoding-aware URL class for Python, built for aiohttp and async network code
multidict
A fast dict-like multi-value mapping for HTTP headers and URL query strings, with a C-accelerated backend and a pure-Python fallback.
frozenlist
A list-like Python type that can be frozen at runtime to guard shared state from further mutation.
why-did-you-render
Monkey-patches React to flag avoidable re-renders caused by unchanged props, state, or hooks.
dom-to-image
Turn any DOM node into a PNG, JPEG, or SVG image using pure client-side JavaScript
cytoscape.js
A JavaScript graph theory library for modeling, visualizing, and analyzing relational network data in the browser or Node.js.
Graphviz (Python)
A simple Python interface for creating and rendering Graphviz DOT-language graphs.
httpx-aiohttp
Aiohttp-powered transport backend for the httpx client
resvg
A small, fast, and portable SVG rendering library written entirely in Rust
remarkable
A fast, CommonMark-compliant Markdown parser for JavaScript with a pluggable, rule-based rendering pipeline.
markdown-toc
Generates and injects a markdown table of contents into README files, using Remarkable to parse headings.