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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Requests
The elegant, human-friendly HTTP library that made Python's most-used API for talking to the web.
Pydantic
Data validation and settings management using Python type hints, backed by a Rust core.
Chalk
The most popular Node.js library for styling terminal string output with ANSI colors.
rimraf
Cross-platform recursive file and directory removal for Node.js, modeled on the UNIX `rm -rf` command.
HTTPX
A next-generation HTTP client for Python with sync, async, and HTTP/2 support
NumPy
The fundamental N-dimensional array library powering Python's scientific computing stack.
PyYAML
A full-featured YAML parser and emitter for Python, with C-accelerated bindings
python-dotenv
Load environment variables from a .env file into Python's os.environ, the standard way to keep 12-factor config out of your code
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
pandas
The Python DataFrame library for fast, flexible, and expressive data analysis and manipulation.
Pillow
The friendly PIL fork that adds image processing capabilities to Python
xterm.js
A fast, self-contained TypeScript library for embedding fully-featured terminals in the browser.
Clap
The most widely used command-line argument parser for Rust, with both derive and builder APIs.
cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
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.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
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.
ora
An elegant, dependency-light terminal spinner for Node.js command-line apps and scripts.
psycopg2
The most popular PostgreSQL database adapter for Python, implementing the full DB API 2.0 specification.
BullMQ
Fast, reliable Redis-based message queue and background job processing for Node.js and TypeScript.