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

95Health
SDK Go

AWS SDK for Go v2

The official AWS SDK for Go — type-safe, modular clients for every AWS service.

3,658
Apache 2.0
Used by 44
93Health
Library PyPI

SQLAlchemy

The Python SQL toolkit and Object Relational Mapper that gives developers the full power and flexibility of SQL.

12,189
MIT
Used by 43
72Health
Library PyPI

psycopg2

The most popular PostgreSQL database adapter for Python, implementing the full DB API 2.0 specification.

3,656
Other
Used by 42
84Health
Library PyPI

psutil

Cross-platform Python library for retrieving process and system utilization data.

11,284
BSD 3
Used by 41
91Health
Library npm

BullMQ

Fast, reliable Redis-based message queue and background job processing for Node.js and TypeScript.

9,442
MIT
Used by 41
96Health
Library PyPI

PyTorch

A Python-first tensor library with GPU acceleration and a dynamic, define-by-run autograd engine for building and training deep neural networks.

103,425
BSD 3
Used by 40
95Health
Framework PyPI

aiohttp

Asynchronous HTTP client and server framework for Python's asyncio, covering both API calls and building web/WebSocket services.

16,561
Apache 2.0
Used by 40
51Health
Library Go

websocket

A fast, RFC 6455-compliant WebSocket implementation for Go with full control over framing, compression, and concurrency.

24,878
Other
Used by 39
94Health
SDK PyPI

redis-py

The official Python client for Redis, with sync, asyncio, cluster, and Sentinel support.

13,647
MIT
Used by 39
95Health
Framework PyPI

Transformers

State-of-the-art pretrained models for text, vision, audio, and multimodal inference and training.

166,736
Apache 2.0
Used by 38
93Health
Library PyPI

OpenTelemetry Prometheus Exporter

Export OpenTelemetry metrics in Prometheus format so Prometheus can scrape your Python application.

2,649
Apache 2.0
Used by 38
90Health
Library PyPI

tqdm

A fast, extensible progress bar for Python loops and CLI pipelines, with negligible overhead.

31,347
Other
Used by 37
89Health
SDK PyPI

python-sdk

The official Python SDK for building Model Context Protocol servers and clients that expose tools, resources, and prompts to any LLM host.

24,417
MIT
Used by 37
98Health
Library PyPI

google-auth

The foundational Python library for authenticating to Google Cloud and Google APIs with OAuth2, service accounts, and Application Default Credentials.

5,391
Apache 2.0
Used by 37
83Health
Library Go

Logrus

Structured, pluggable logging for Go with a stdlib-compatible API and level-based hooks.

25,755
MIT
Used by 36
49Health
Library Go

mux

A lightweight, http.Handler-compatible Go router that matches requests by path, host, method, headers, and query, and can reverse them back into URLs.

21,838
BSD 3
Used by 35
91Health
Library Go

go-redis

The official, idiomatic Go client for Redis — connection pooling, Cluster, Sentinel, pipelines, and client-side caching built in.

22,255
Other
Used by 34
82Health
Library Go

Go-MySQL-Driver

A pure Go implementation of the MySQL wire protocol, used as the database/sql driver for MySQL, MariaDB, and TiDB.

15,285
MPL-2.0
Used by 33
88Health
Tool PyPI

Gunicorn

A fast, lightweight pre-fork WSGI and ASGI HTTP server for running Python web apps in production on UNIX.

10,686
MIT
Used by 33
93Health
Library PyPI

OpenTelemetry Python SDK

The reference implementation of the OpenTelemetry API for Python - traces, metrics, and logs

2,649
Apache 2.0
Used by 33
83Health
Tool PyPI

mypy

Optional static type checker that catches Python bugs before you run your code

20,651
MIT
Used by 30
90Health
Library PyPI

websockets

Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.

5,719
BSD 3
Used by 30
66Health
Library Go

color

Colorized terminal output for Go with ANSI escape codes, 24-bit RGB, and built-in Windows support.

8,002
MIT
Used by 29
48Health
Library Go

go-cmp

A safer, more powerful alternative to reflect.DeepEqual for comparing Go values in tests.

4,678
BSD 3
Used by 29

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