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

92Health
Library PyPI

networkx

Python library for creating, manipulating, and analyzing complex networks and graphs.

17,258
BSD 3
Used by 13
78Health
Library PyPI

prometheus-client

The official Python instrumentation library for exposing Prometheus metrics

4,371
Apache 2.0
Used by 13
96Health
SDK PyPI

Slack SDK for Python

The official Python SDK for building apps, bots, and integrations on the Slack Platform.

4,012
MIT
Used by 13
65Health
Library npm

node-sql-parser

Parses SQL statements into an AST and converts them back to SQL across a dozen database dialects.

1,041
Apache 2.0
Used by 13
92Health
SDK PyPI

clickhouse-connect

ClickHouse's official high-performance Python driver, with native Pandas, NumPy, PyArrow, and Superset support

521
Apache 2.0
Used by 13
38Health
Library PyPI

sniffio

A tiny Python library that detects which async framework (trio, asyncio, or curio) your code is currently running under.

153
Other
Used by 13
89Health
SDK PyPI

E2B

Python SDK for spinning up secure, isolated cloud sandboxes where AI agents can safely run code.

13,798
MIT
Used by 12
90Health
Library PyPI

PyMuPDF

A high-performance Python library for extracting, rendering, converting, and manipulating PDF and other document formats.

10,708
AGPL 3.0
Used by 12
76Health
Library PyPI

APScheduler

Python task scheduler with cron, interval, and one-off triggers, backed by pluggable persistent datastores for distributed job scheduling.

7,627
MIT
Used by 12
55Health
Library Go

go-sqlmock

A mock sql/driver implementation for Go that simulates database behavior in tests without a real database connection.

6,572
Other
Used by 12
83Health
SDK npm

@e2b/code-interpreter

JavaScript/TypeScript SDK for running AI-generated code in stateful, isolated E2B cloud sandboxes

2,398
Apache 2.0
Used by 12
38Health
SDK npm

passport-github2

A Passport.js strategy for authenticating Node.js applications with GitHub via OAuth 2.0.

237
MIT
Used by 12
73Health
SDK npm

@octokit/auth-app

GitHub App authentication strategy for JavaScript and Octokit

180
MIT
Used by 12
91Health
Library PyPI

PEFT

Hugging Face's library of state-of-the-art parameter-efficient fine-tuning methods for large models.

21,674
Apache 2.0
Used by 11
91Health
Library Cargo

PyO3

Rust bindings for the Python interpreter, for writing native extensions or embedding Python in Rust.

16,138
Apache 2.0
Used by 11
90Health
Tool npm

js-beautify

Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code

8,995
MIT
Used by 11
83Health
Library PyPI

pyparsing

Build recursive-descent parsers in Python without a separate grammar file

2,489
MIT
Used by 11
95Health
Library npm

node-mssql

The Node.js client for Microsoft SQL Server, wrapping Tedious (or MSNodeSQLv8) behind a unified pool, request, and transaction API.

2,275
MIT
Used by 11
80Health
Library PyPI

pluggy

The minimalist, production-ready plugin and hook system that powers pytest, tox, and devpi

1,691
MIT
Used by 11
28Health
Library npm

micromark-extension-gfm

Bundles all six GitHub Flavored Markdown micromark extensions—tables, footnotes, strikethrough, autolinks, tag filtering, and task lists—into a single drop-in plugin.

40
MIT
Used by 11
49Health
Tool PyPI

MkDocs

A fast, simple static site generator for building project documentation from Markdown with a single YAML config file.

22,435
Other
Used by 10
67Health
SDK PyPI

ollama-python

The official Python client for chatting, generating, and managing models on a local or cloud-hosted Ollama server.

10,525
MIT
Used by 10
44Health
Library PyPI

backoff

Python function decorators that retry calls on exceptions or bad return values, with exponential, fibonacci, or constant backoff and jitter.

2,694
MIT
Used by 10
84Health
Framework npm

Chat SDK

A unified TypeScript SDK for building chat bots and AI agents across every major messaging platform

2,362
MIT
Used by 10

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