15 Must‑Watch Python Open‑Source Projects on GitHub (Stars Ranked)

1. TensorFlow

https://github.com/tensorflow/tensorflow – Star 68481

TensorFlow, developed by Google Brain, is a widely used open‑source AI library that uses data‑flow graphs for numerical computation, supporting machine learning, deep neural networks, and many other compute‑intensive tasks.

2. oh‑my‑zsh

https://github.com/robbyrussell/oh-my-zsh – Star 58473

oh‑my‑zsh extends the Zsh shell with plugin management, theme customization, and advanced auto‑completion, offering a powerful and configurable command‑line experience.

3. HTTPie

https://github.com/jakubroztocil/httpie – Star 31248

HTTPie is a user‑friendly command‑line HTTP client that simplifies interacting with web services using a natural syntax for sending requests.

4. thefuck

https://github.com/nvbn/thefuck – Star 30532

thefuck provides a highly configurable tool that suggests corrections for mistyped commands, allowing users to quickly fix errors via an intuitive UI.

5. Flask

https://github.com/pallets/flask – Star 29399

Flask is a micro web framework built on Werkzeug and Jinja2, offering a lightweight core that can be extended with numerous extensions for databases, authentication, and more.

6. Django

https://github.com/django/django – Star 27899

Django is a high‑level Python web framework that follows the MTV pattern, enabling rapid development of secure, maintainable, database‑driven applications.

7. jQuery‑File‑Upload

https://github.com/blueimp/jQuery-File-Upload – Star 27398

jQuery File Upload is a versatile component for uploading multiple files with preview, progress bars, and server‑side support for various languages.

8. requests

https://github.com/requests/requests – Star 27210

requests is a Python HTTP library that provides a simple, human‑friendly API for making web requests, preferred over urllib for its ease of use.

9. Ansible

https://github.com/ansible/ansible – Star 25132

Ansible is a model‑driven configuration management and orchestration tool that uses SSH for remote execution without requiring agents on target machines.

10. Scrapy

https://github.com/scrapy/scrapy – Star 22407

Scrapy is a fast, high‑level Python framework for web crawling and data extraction, supporting custom spiders, sitemap crawling, and extensive extensions.

11. scikit‑learn

https://github.com/scikit-learn/scikit-learn – Star 20908

scikit‑learn offers simple and efficient tools for data mining and analysis, covering classification, regression, clustering, dimensionality reduction, model selection, and preprocessing.

12. Keras

https://github.com/fchollet/keras – Star 19132

Keras is a high‑level neural‑network library written in Python, providing a modular, user‑friendly API that runs on top of TensorFlow or Theano.

13. Tornado

https://github.com/tornadoweb/tornado – Star 14178

Tornado is a full‑stack Python web framework and asynchronous networking library that uses non‑blocking I/O to handle thousands of concurrent connections, ideal for real‑time services.

14. CPython

https://github.com/python/cpython – Star 12609

CPython is the reference implementation of the Python language, written in C, supporting extensions in C and providing the standard interpreter used by most developers.

15. CNTK

https://github.com/Microsoft/CNTK – Star 12225

CNTK is Microsoft’s open‑source deep‑learning toolkit that leverages GPU acceleration for training large neural networks, used in speech recognition and other AI applications.