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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websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
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.
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.
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.
Matplotlib
Python's foundational plotting library for static, animated, and interactive charts
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.
loguru
A drop-in replacement for Python's standard logging module that makes logging enjoyable, with almost no setup required.
filelock
A platform-independent file lock for Python that supports the with-statement.
markupsafe
Escapes untrusted strings for safe use in HTML and XML markup, preventing injection attacks in templated output.
orjson
A fast, correct, Rust-backed JSON library for Python with native dataclass, datetime, and numpy support
tomli
A lil' TOML parser for Python — fast, spec-compliant, and dependency-free.
Pygments
Generic syntax highlighter for Python supporting over 500 languages and formats
Celery
Distributed task queue for running asynchronous jobs, scheduled work, and complex workflows across Python applications at scale.
bcrypt (Python)
A Python library for secure password hashing using the bcrypt algorithm with an adjustable work factor
itsdangerous
A small Python toolkit for cryptographically signing data so you can trust it hasn't been tampered with when it comes back from an untrusted client.
aiosqlite
Async/await-friendly wrapper around Python's built-in sqlite3 module for asyncio applications.
croniter
Parses cron schedule strings and iterates the matching datetime values, with DST, second/year fields, and last-weekday support.
networkx
Python library for creating, manipulating, and analyzing complex networks and graphs.
