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Packages.

What developers adopt across eight registries, in each registry’s own unit. Every figure says where it came from, and a number a registry does not publish is never shown as zero.

70,347 packages · 8 registries · Last observed OCT 24, 2026 · 07:34 UTC

Registry (choose one or several)
Growth period
Popularity
Activity
Category
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18,154 packages · Most adopted · PyPI

Most adopted cannot rank these packages yet, so this order is not a ranking. Most adopted ranks by the percentile within each registry, and these packages have no adoption count (PyPI and Maven Central publish none) or none observed yet.

PackageAdoptionGrowth · 30dLast releaseCategoryRepository
sqlalchemy-migrate

PyPI · v0.13.0

Database schema migration for SQLAlchemy

Not published by PyPINot published by PyPI7y agoOCT 22, 2019DatabasesNone linked
lazrs

PyPI · v0.8.2

Not published by PyPINot published by PyPI3mo agoJUL 27, 2026UncategorizedNone linked
tach

PyPI · v0.35.3

A Python tool to maintain a modular package architecture.

Not published by PyPINot published by PyPI18d agoOCT 6, 2026Uncategorizedgauge-sh/tach (GitHub, opens in a new tab)Not in the Crest catalog
pypinyin-dict

PyPI · v0.9.0

使用 pinyin-data 和 phrase-pinyin-data 中的拼音数据文件覆盖 pypinyin 中的自带拼音数据,实现只使用某个或某些拼音数据文件中的拼音数据的需求

Not published by PyPINot published by PyPI22mo agoJAN 12, 2025Uncategorizedmozillazg/pypinyin-dict (GitHub, opens in a new tab)Not in the Crest catalog
pyswitchbot

PyPI · v2.10.0

A library to communicate with Switchbot

Not published by PyPINot published by PyPI25d agoSEP 29, 2026Uncategorizedsblibs/pyswitchbot (GitHub, opens in a new tab)Not in the Crest catalog
pdbr

PyPI · v0.9.8

Pdb with Rich library.

Not published by PyPINot published by PyPI3mo agoJUL 15, 2026Uncategorizedcansarigol/pdbr (GitHub, opens in a new tab)Not in the Crest catalog
pyrtcm

PyPI · v1.2.0

RTCM3 protocol parser

Not published by PyPINot published by PyPI3mo agoJUL 14, 2026Uncategorizedsemuconsulting/pyrtcm (GitHub, opens in a new tab)Not in the Crest catalog
django-allow-cidr

PyPI · v0.8.0

A Django Middleware to enable use of CIDR IP ranges in ALLOWED_HOSTS.

Not published by PyPINot published by PyPI19mo agoAPR 8, 2025Backendmozmeao/django-allow-cidr (GitHub, opens in a new tab)Not in the Crest catalog
iflow-mcp-blacksnufkin-litterbox

PyPI · v1.0.0

LitterBox MCP Server - Advanced malware analysis sandbox with OPSEC assessment capabilities

Not published by PyPINot published by PyPI9mo agoFEB 7, 2026Model Context ProtocolBlackSnufkin/LitterBox1.5K stars
django-termsandconditions

PyPI · v2.1.1

Django app that enables users to accept terms and conditions of a site.

Not published by PyPINot published by PyPI6mo agoMAY 5, 2026Backend · Tentativecyface/django-termsandconditions (GitHub, opens in a new tab)Not in the Crest catalog
haystack-ai

PyPI · v3.4.1

LLM framework to build customizable, production-ready LLM applications. Connect components (models, vector DBs, file converters) to pipelines or agents that can interact with your data.

Not published by PyPINot published by PyPI8h agoOCT 24, 2026AI & Machine Learningdeepset-ai/haystack26.6K stars
macwinnie-pyhelpers

PyPI · v3.0.4

Set of python helpers for daily jobs

Not published by PyPINot published by PyPI17mo agoJUN 1, 2025Uncategorizedmacwinnie/python-helpers (GitHub, opens in a new tab)Not in the Crest catalog
griffelib

PyPI · v2.4.1

Signatures for entire Python programs. Extract the structure, the frame, the skeleton of your project, to generate API documentation or find breaking changes in your API.

Not published by PyPINot published by PyPI44h agoOCT 22, 2026Developer Toolsmkdocstrings/griffe (GitHub, opens in a new tab)Not in the Crest catalog
pyobjc-framework-kernelmanagement

PyPI · v12.2.2

Wrappers for the framework KernelManagement on macOS

Not published by PyPINot published by PyPI2mo agoAUG 11, 2026Uncategorizedronaldoussoren/pyobjc (GitHub, opens in a new tab)Not in the Crest catalog
pystac-ext-mlm

PyPI · v1.4.1

Machine Learning Model extension for PySTAC

Not published by PyPINot published by PyPI2mo agoAUG 10, 2026AI & Machine Learning · Tentativestac-utils/pystac (GitHub, opens in a new tab)Not in the Crest catalog
xmlschema

PyPI · v4.3.2

An XML Schema validator and decoder

Not published by PyPINot published by PyPI4mo agoJUN 30, 2026Uncategorizedsissaschool/xmlschema (GitHub, opens in a new tab)Not in the Crest catalog
sphinx-reredirects

PyPI · v1.1.0

The extension for Sphinx documentation projects that handle redirects for moved pages. It generates HTML pages with meta refresh redirects to the new page location to prevent 404 errors if you rename or move your documents.

Not published by PyPINot published by PyPI10mo agoDEC 22, 2025Docs, CMS & Publishing · Tentativedocumatt/sphinx-reredirects (GitHub, opens in a new tab)Not in the Crest catalog
qwen3-asr-toolkit

PyPI · v1.0.4

Python toolkit for the Qwen3-ASR API—parallel high‑throughput calls, robust long‑audio transcription, multi‑sample‑rate support.

Not published by PyPINot published by PyPI13mo agoSEP 22, 2025NLP & Speech · TentativeQwenLM/Qwen3-ASR-Toolkit1K stars
rdkit

PyPI · v2026.9.1

A collection of chemoinformatics and machine-learning software written in C++ and Python

Not published by PyPINot published by PyPI15d agoOCT 9, 2026AI & Machine Learning · Tentativekuelumbus/rdkit-pypi (GitHub, opens in a new tab)Not in the Crest catalog
reacton

PyPI · v1.11.0

Not published by PyPINot published by PyPI23d agoOCT 1, 2026Uncategorizedwidgetti/reacton (GitHub, opens in a new tab)Not in the Crest catalog
doxygen-awesome-css

PyPI · v2.4.1rc0

Custom CSS theme for doxygen html-documentation with lots of customization parameters.

Not published by PyPINot published by PyPI6mo agoAPR 15, 2026Frontendjothepro/doxygen-awesome-css1.4K stars
nemo-fabric-adapters-claude

PyPI · v0.4.0

Claude adapter for NeMo Fabric

Not published by PyPINot published by PyPI21d agoOCT 3, 2026AI Agentsnvidia/nemo-fabric (GitHub, opens in a new tab)Not in the Crest catalog
aws-dynamodb-parser

PyPI · v0.1.3

AWS DynamoDB utility for parsing DynamoDB responses

Not published by PyPINot published by PyPI5y agoNOV 11, 2021Cloud Infrastructuregridsmartercities/aws-dynamodb-parser (GitHub, opens in a new tab)Not in the Crest catalog
pyo3-pack

PyPI · v0.6.1

Build and publish crates with pyo3, rust-cpython and cffi bindings as well as rust binaries as python packages

Not published by PyPINot published by PyPI7y agoAUG 30, 2019UncategorizedNone linked
stac-fastapi-extensions

PyPI · v7.0.0

Extensions for stac-fastapi apis.

Not published by PyPINot published by PyPI45d agoSEP 9, 2026Web Frameworksstac-utils/stac-fastapi (GitHub, opens in a new tab)Not in the Crest catalog

What each registry publishes

Each registry counts adoption in its own unit and window, so raw numbers are never compared across registries. Popularity is a package’s percentile within its own registry. How packages are measured

npm
AdoptionDownloads (30 days)
DependentsPublished
PyPI
AdoptionNot published
DependentsNot published
crates.io
AdoptionDownloads (90 days)
DependentsPublished
Maven Central
AdoptionNot published
DependentsNot published
NuGet
AdoptionAll-time downloads
DependentsNot published
RubyGems
AdoptionAll-time downloads
DependentsPublished
Packagist
AdoptionDownloads (30 days)
DependentsPublished
Go Modules
AdoptionImported by (most-imported package, pkg.go.dev)
DependentsImported by (most-imported package, pkg.go.dev)