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 Cargo

jwt-simple

A fast, safe-by-default Rust library for creating and verifying JWT and JWE tokens across every major signing and encryption algorithm.

280
Other
Used by 1
36Health
Library PyPI

aioitertools

Implementation of itertools, builtins, and more for asyncio and mixed iterables.

278
MIT
Used by 1
44Health
Library PyPI

HdfsCLI

Python bindings and a command line interface for HDFS via the WebHDFS and HttpFS APIs.

275
MIT
Used by 1
40Health
SDK PyPI

LinkedIn API Python Client

Official Python client for LinkedIn's Rest.li APIs, wrapping OAuth2, versioned endpoints, and query tunneling into typed request/response calls.

269
Other
Used by 1
36Health
Library PyPI

celery-singleton

A Celery task base class that guarantees only one instance of a task runs at a time.

263
MIT
Used by 1
71Health
SDK Cargo

etcd-client

The asynchronous Rust client for etcd's v3 API, built on tokio and tonic.

263
Apache 2.0
Used by 1
51Health
SDK PyPI

WebexPythonSDK

Community Python SDK for working with the Cisco Webex APIs natively

257
MIT
Used by 1
59Health
SDK Composer

slack-php-api

An auto-generated, up-to-date PHP SDK covering the entire Slack Web API with a full object-oriented client.

255
MIT
Used by 1
43Health
Library PyPI

sanic-jwt

JWT authentication, refresh tokens, and scope-based permissions for the Sanic async web framework.

246
MIT
Used by 1
70Health
SDK Composer

hubspot/api-client

The official HubSpot PHP client library for the v3 HubSpot API.

242
Apache 2.0
Used by 1
42Health
Library PyPI

MultiTasking

Turn any Python method into a non-blocking task with a single decorator

235
Apache 2.0
Used by 1
64Health
Library PyPI

ahocorasick_rs

A fast Aho-Corasick multi-pattern string and byte search library for Python, backed by Rust.

233
Apache 2.0
Used by 1
37Health
Library PyPI

astunparse

Converts a Python AST back into readable, re-parseable source code, plus a pretty-printing dump utility.

230
BSD 3
Used by 1
69Health
Library PyPI

Pyphen

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

230
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
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
35Health
SDK npm

google-translate-api

A free, unlimited Node.js and browser client for Google Translate's web endpoints, with batch translation, text-to-speech, and full TypeScript types.

195
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

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers