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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PapaParse
The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies
Pillow
The friendly PIL fork that adds image processing capabilities to Python
boto3
The official AWS SDK for Python — call every Amazon Web Services API from your code.
OpenAI Python SDK
The official Python library for the OpenAI REST API, generated from OpenAI's OpenAPI spec with typed sync and async clients.
Clap
The most widely used command-line argument parser for Rust, with both derive and builder APIs.
SWC
Rust-based JavaScript/TypeScript compiler, a drop-in super-fast alternative to Babel
@codemirror/commands
A collection of editing, selection, deletion, indentation, and undo-history commands with default keymaps for the CodeMirror 6 code editor.
React CodeMirror
A fully-typed React component and hook for embedding the CodeMirror 6 code editor with themes and language extensions.
@codemirror/autocomplete
Autocompletion engine for the CodeMirror 6 code editor, with fuzzy matching, snippets, and bracket closing.
@codemirror/lang-json
JSON language support for the CodeMirror 6 editor: parsing, folding, indentation, and a built-in parse-error linter.
qrcode
A zero-dependency-on-canvas QR code and 2D barcode generator for Node.js and the browser.
cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
markdown-it
A fast, pluggable CommonMark-compliant Markdown parser and renderer for JavaScript, safe by default.
Click
A composable Python toolkit for building command line interfaces with minimal boilerplate.
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
python-dateutil
Powerful extensions to Python's datetime module for parsing, deltas, recurrence, and timezones.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
lang-javascript
JavaScript, TypeScript, and JSX language support for the CodeMirror 6 code editor.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
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.
Cheerio
The fast, flexible library for parsing and manipulating HTML and XML with a familiar jQuery-style API.
Jinja
A fast, expressive, and extensible templating engine for Python.
PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.
CodeMirror
A batteries-included setup bundle for the CodeMirror 6 code editor.
