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.
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.
Celery
Distributed task queue for running asynchronous jobs, scheduled work, and complex workflows across Python applications at scale.
Markdown
The reference Python implementation of John Gruber's Markdown, with a pluggable extension system for converting text to HTML.
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.
fake-useragent
Up-to-date user-agent string faker backed by a real-world browser usage database, bundled offline.
fpdf2
A pure-Python library for generating and manipulating PDF documents, with text, images, tables, barcodes, SVG, and digital signing built in.
kombu
A Python messaging library giving Celery and other apps one high-level API over AMQP, Redis, SQS, and a dozen other broker transports.
django-celery-beat
Store and manage Celery periodic task schedules in the Django ORM, editable from the Django admin.
py-amqp
A pure Python client implementing the AMQP 0.9.1 protocol, powering RabbitMQ transport for Celery and Kombu.
behave
A Python behavior-driven development framework that runs Gherkin feature files against step definitions written in plain Python.
testcontainers-python
Throwaway Docker containers for real integration tests, driven straight from Python.
types-boto3
Complete, auto-generated type annotations for every boto3 AWS service client, enabling full IDE autocomplete and mypy/pyright checking.
ua-parser
Parse browser, OS, and device data out of raw user agent strings, with pluggable fast-path resolvers.
billiard
A hardened fork of Python's multiprocessing library that powers Celery's worker pool with extra reliability fixes.
vine
Lightweight Python promise implementation powering Celery's async callback chains
django-stubs
PEP 484 type stubs and a custom mypy plugin that bring precise static typing to Django's dynamic ORM and framework internals.
starlette-context
Store and access per-request context data anywhere in a Starlette or FastAPI app.
fastuuid
Rust-powered CPython bindings that generate and parse UUIDs faster than Python's stdlib, with a fully drop-in compatible API.
HTTPX OAuth
Async OAuth2 client for Python built on HTTPX with ready-made provider clients.
python-gssapi
Python bindings for RFC 2743/2744 GSSAPI, giving Python code direct, Pythonic access to Kerberos and other GSSAPI security mechanisms.
