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

69Health
Library PyPI

Pyphen

A pure Python library that hyphenates text using Hunspell dictionaries, covering 50+ languages.

230
Other
Used by 1
43Health
Library npm

IBANTools

Zero-dependency TypeScript library for validating, formatting, and extracting IBAN, BBAN, and BIC/SWIFT numbers.

229
Other
Used by 1
37Health
Library PyPI

timeago

Format Python datetimes into human-friendly '3 hours ago' relative time strings across 40+ locales.

226
MIT
Used by 1
31Health
Library Cargo

serde-pickle

A Serde-based Rust library for reading and writing Python's pickle serialization format.

225
Apache 2.0
Used by 1
43Health
Library npm

StableLib (@stablelib/base64)

Constant-time Base64 encoding and decoding for TypeScript and JavaScript, including a URL-safe variant.

221
MIT
Used by 1
57Health
Library PyPI

cairocffi

CFFI-based Python bindings for the Cairo 2D graphics library, a drop-in Pycairo replacement with no C compiler required at install time.

211
BSD 3
Used by 1
88Health
SDK PyPI

newrelic-python-agent

Auto-instruments Python web apps, databases, and background jobs to stream real-time performance and error data to New Relic APM.

210
Apache 2.0
Used by 1
69Health
SDK PyPI

azure-kusto-python

Python client library for querying and streaming results from Azure Data Explorer (Kusto) clusters using KQL.

204
MIT
Used by 1
46Health
Library PyPI

luqum

Parses Lucene query syntax into a Python AST you can inspect, transform, and convert into native ElasticSearch JSON DSL queries.

203
Other
Used by 1
84Health
Library PyPI

Cucumber Expressions

A human-readable alternative to regular expressions for matching Gherkin step text

200
MIT
Used by 1
41Health
Library npm

react-csv-reader

A lightweight React component that turns CSV file uploads into parsed data with zero manual FileReader wiring.

200
MIT
Used by 1
65Health
Library npm

rc-switch

Accessible React switch component with controlled and uncontrolled toggle modes.

196
MIT
Used by 1
42Health
Library PyPI

SQLAlchemy-JSON

Mutation-tracked JSON column types for SQLAlchemy, including deeply nested changes.

195
Other
Used by 1
54Health
Library PyPI

python-zstd

Simple, fast Python bindings for Facebook's Zstandard compression library

188
Other
Used by 1
46Health
Library PyPI

tld

Extract the top-level domain (TLD), domain, and subdomain from any URL

187
Other
Used by 1
74Health
Library PyPI

pybase64

Fast Base64 encoding and decoding for Python, powered by a SIMD-accelerated C extension with an automatic pure-Python fallback.

182
Other
Used by 1
80Health
Library PyPI

Azure Functions Python Library

The Python programming model for Azure Functions: triggers, bindings, and typed request/response objects.

179
MIT
Used by 1
43Health
Library PyPI

pyjson5

A fast JSON5 serializer and parser for Python 3, implemented in Cython with a C++ core.

179
Apache 2.0
Used by 1
70Health
Library npm

rc-motion

Lifecycle-driven CSSMotion primitives for React enter, leave, and list animations.

177
MIT
Used by 1
41Health
Library npm

React Async Script

A React higher-order component that loads third-party scripts asynchronously, dedupes them across component instances, and forwards refs to the wrapped component.

177
MIT
Used by 1
36Health
Library PyPI

webcolors

A pure-Python library for converting and normalizing HTML/CSS color names, hex codes, and RGB values

175
BSD 3
Used by 1
66Health
SDK PyPI

serpapi

The official Python client for SerpApi, returning structured search results from Google, Bing, and more.

170
MIT
Used by 1
47Health
Library npm

prisma-ast

Parse, query, and modify Prisma schema files as an AST in JavaScript while preserving comments and formatting.

167
MIT
Used by 1
42Health
Library npm

abstract-level

The common abstract class every Level key-value database implementation extends, with encodings, sublevels, hooks and events built in.

166
MIT
Used by 1

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