Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

48Health
Library PyPI

impyla

DB API 2.0 Python client for Impala and Hive over the HiveServer2 protocol.

744
Apache 2.0
Used by 1
43Health
Library PyPI

djangorestframework-api-key

API key permissions for Django REST Framework, with secure hashing and admin-managed keys.

743
MIT
Used by 1
63Health
Library PyPI

RestrictedPython

Compiles a restricted subset of Python so you can define a trusted boundary for running untrusted code.

742
Other
Used by 1
45Health
Tool PyPI

mccabe

McCabe cyclomatic complexity checker for Python, and a Flake8 plugin

681
MIT
Used by 1
81Health
SDK Cargo

Nostr SDK

A full-featured Rust SDK for building high-performance clients and in-process relays on the Nostr protocol

674
MIT
Used by 1
34Health
Library PyPI

uncurl

Convert curl commands into equivalent python-requests code, from a CLI or a small Python API.

668
Apache 2.0
Used by 1
81Health
Library PyPI

tifffile

A comprehensive Python library for reading and writing TIFF, BigTIFF, OME-TIFF, and dozens of proprietary microscopy image formats as NumPy or Zarr arrays.

666
BSD 3
Used by 1
79Health
Library PyPI

DataComPy

Compare Pandas, Polars, Spark, and Snowpark DataFrames with human-readable difference reports.

657
Apache 2.0
Used by 1
49Health
Library PyPI

Flask-Mail

A lightweight Flask extension that adds SMTP email sending to your application with a simple Message API.

642
BSD 3
Used by 1
70Health
Library PyPI

cloudpathlib

pathlib-style Python classes for S3, Google Cloud Storage, and Azure Blob Storage

628
MIT
Used by 1
70Health
Library PyPI

Loky

A robust, cross-platform reusable process pool executor for Python, built as the parallel backend for joblib.

627
BSD 3
Used by 1
67Health
Tool PyPI

django-migration-linter

Detects backward-incompatible Django migrations before they break deploys, CI, or zero-downtime rollbacks.

618
Apache 2.0
Used by 1
69Health
Library PyPI

simpleeval

A single-file Python library for safely evaluating user-supplied expressions without exposing full eval() access.

611
MIT
Used by 1
84Health
SDK PyPI

Meilisearch Python

Official Python client for the Meilisearch search engine

603
MIT
Used by 1
84Health
Library PyPI

primp

Python HTTP client that impersonates real browser TLS and HTTP/2 fingerprints.

598
MIT
Used by 1
61Health
Library PyPI

aiodns

A simple asynchronous DNS resolver for Python's asyncio built on pycares

592
MIT
Used by 1
67Health
Library PyPI

aiofile

Real asynchronous file operations for Python asyncio, backed by io_uring, libaio, and thread pools.

583
Apache 2.0
Used by 1
36Health
Library PyPI

chevron

A fast, spec-compliant Python implementation of the Mustache templating language.

556
MIT
Used by 1
41Health
Library PyPI

flatten-json

Flatten and unflatten deeply nested JSON in Python

554
MIT
Used by 1
40Health
Library PyPI

sgqlc

A simple, typed GraphQL client for Python that builds queries programmatically.

554
Other
Used by 1
46Health
Library Cargo

native-tls

A safe, ergonomic Rust wrapper over each platform's native TLS implementation.

546
Other
Used by 1
56Health
SDK PyPI

aiodocker

AsyncIO Python client for the Docker Engine HTTP API, built on aiohttp.

537
Apache 2.0
Used by 1
83Health
Library PyPI

timezonefinder

Fast, fully offline timezone lookup for any WGS84 coordinate on earth

536
MIT
Used by 1
83Health
Library PyPI

graphql-core

A Python 3 port of the GraphQL.js reference implementation of GraphQL.

531
MIT
Used by 1

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