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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Psycopg
The modern PostgreSQL adapter for Python, with native async and pipeline support
scikit-learn
Simple and efficient tools for machine learning and data analysis in Python.
pydantic-settings
Type-safe application settings management for Python, built on Pydantic models.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
asyncpg
A fast PostgreSQL database client library for Python built directly on asyncio, implementing the PostgreSQL binary wire protocol natively for high-throughput async applications.
Alembic
Database migrations tool for SQLAlchemy with autogenerate and transactional DDL
cssnano
A modular CSS minifier built on the PostCSS ecosystem, composing dozens of swappable optimization plugins into safe, lite, and advanced presets.
sentry-sdk
The official Python SDK for Sentry error tracking, performance monitoring, and tracing.
postcss-preset-env
Converts tomorrow's CSS syntax into code today's browsers understand by auto-selecting PostCSS polyfill plugins from your browserslist targets.
idna
Internationalized Domain Names for Python — IDNA 2008 and UTS #46 encoding and decoding
pypdf
A pure-Python library for splitting, merging, cropping, transforming, and extracting content from PDF files.
tenacity
A general-purpose Python retrying library that adds configurable retry behavior to almost anything
Charset Normalizer
A pure-Python universal charset detector that turns text of unknown encoding into clean Unicode.
SciPy
Fundamental algorithms for scientific computing, optimization, and statistics in Python.
attrs
Python classes without boilerplate — generate init, repr, equality, and more from declarative field definitions.
LangChain
The most widely adopted Python framework for building LLM-powered agents and applications
loguru
A drop-in replacement for Python's standard logging module that makes logging enjoyable, with almost no setup required.
Matplotlib
Python's foundational plotting library for static, animated, and interactive charts
Starlette
A lightweight ASGI framework/toolkit for building async web services and apps in Python
filelock
A platform-independent file lock for Python that supports the with-statement.
Flask
A lightweight WSGI web framework for Python that scales from a single file to complex applications.
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
docker-py
Official Python library for the Docker Engine API — manage containers, images, networks, and Swarm clusters from your own code.
markupsafe
Escapes untrusted strings for safe use in HTML and XML markup, preventing injection attacks in templated output.