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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FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
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.
flate2
Streaming DEFLATE, gzip, and zlib compression for Rust with pluggable backends
fflate
High-performance DEFLATE, GZIP, Zlib, and ZIP compression for JavaScript in an 8kB package.
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
pako
A fast, zlib-compatible compression library for JavaScript that runs identically in the browser and Node.js.
Celery
Distributed task queue for running asynchronous jobs, scheduled work, and complex workflows across Python applications at scale.
node-unzipper
A streaming zip extraction library for Node.js that supports random access to files on disk, in buffers, over HTTP, or on S3 without buffering the whole archive.
isort
Automatically sorts and organizes Python import statements
Markdown
The reference Python implementation of John Gruber's Markdown, with a pluggable extension system for converting text to HTML.
flake8
The CLI linter that wraps PyFlakes, pycodestyle, and McCabe complexity checks into a single Python style and error checker.
OAuthLib
Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python
pendulum
A drop-in replacement for Python's datetime with timezone-aware objects by default and a friendlier API.