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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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
Apache Beam
A unified programming model for defining batch and streaming data-parallel pipelines
django-stubs
PEP 484 type stubs and a custom mypy plugin that bring precise static typing to Django's dynamic ORM and framework internals.
jni-rs
Complete, safe Rust bindings to the Java Native Interface for two-way Rust and Java interop.
ghp-import
A small CLI that copies a built docs directory straight onto your repo's gh-pages branch.
starlette-context
Store and access per-request context data anywhere in a Starlette or FastAPI app.
tree-sitter-language-pack
Precompiled tree-sitter parsers and queries for 306+ languages in one install
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.
toml-sort
A command-line utility and Python library that sorts and formats TOML files while preserving comments.
ANTLR4 Python3 Runtime
The Python 3 runtime that generated ANTLR parsers and lexers depend on at execution time.
undetected-chromedriver
A drop-in Selenium Chrome WebDriver replacement that patches the chromedriver binary and browser fingerprint to evade bot-mitigation systems.
IceCream
A Python debugging library that prints both an expression and its value, so you never have to write print("x:", x) again.
Extism
The framework for building with WebAssembly: load, run, and extend apps with wasm plugins.
Tortoise ORM
Familiar asyncio ORM for Python, built with relations in mind
nodriver
Async browser automation and web scraping that talks directly to Chromium via CDP, with no Selenium, WebDriver, or ChromeDriver required.
Kiota Authentication Azure
Azure Identity-backed authentication provider for Python API clients generated by Microsoft Kiota.
PyPika
A Python SQL query builder that constructs expressive, vendor-flexible SQL using a fluent builder API.