Sites like inventwithpython.com

Green Tea Press, publisher of free programming, data science and modeling textbooks by Allen B. Downey

Personal blog by Hong Kong open source advocate Sammy Fung on open source, open data, AI and Hong Kong current affairs

Personal blog and notes of Jay Miller, a Python developer and advocate writing on Python, Render Engine and podcasting

Computer Combat Cards is a trading card game for teaching computing concepts, sold to schools and organisations, with a launch still pending

Eve, an open source Python REST API framework for building and deploying web APIs, documented by its developers

Stefanie Molin's blog and site on Python, data science and computer science, with her books, talks and workshops

Personal blog by Mike Driscoll sharing Python tutorials, code samples and files from his Python Extension Building Network projects

Brett Cannon's personal blog "Tall, Snarky Canadian" on Python packaging, supply chains and open-source governance

Kivy, an open-source Python framework for building cross-platform GUI apps, with a project blog, about page and documentation

Personal blog by Miguel Grinberg on Linux containers, Python performance, Forgejo and other software development topics

A web tool for comparing two pieces of text side by side, running privately in the browser, called diffdiff.net

Mocha, a JavaScript test framework for Node.js and browsers, with its project documentation and API reference

An online C++ compiler and shell where users run and share C++ code snippets in the browser

Django Girls is a non-profit organization running free Python and Django programming workshops for women, with open online tutorials

A web tool showing live sun position and sunrise, solar noon, sunset and twilight times for your location, called Sun Clock

NumPy project website: the official home of the open source Python library for numerical computing and N-dimensional arrays

A podcast by educators Kelly Paredes and Sean Tibor on teaching and learning the Python programming language

Personal site of Victor Shepelev (zverok), a Ruby developer and committer, with essays on software, war, poetry and fiction

A multilingual interactive tutorial, cheatsheet and playground for learning regular expressions step by step, by Regex Learn

Personal technical blog by Anubhav Nain on search engines, fuzzy search, threading in Python, CPU features and machine learning

A catalogue of free downloadable programming reference books, such as C, R, CSS and Git, titled "Notes for Professionals

Stellar Forces, a turn-based multiplayer squad strategy game for Android and PC by developer Steve Smith

Falcon, a minimal Python web framework for building fast REST APIs, documented on its project site

A free, open-source web development curriculum with curated online resources and project lessons, run by volunteers

Practice Python, a blog of beginner Python programming exercises with solutions and discussion, written by Python instructor Michele Pratusevich

PyDev, an open source Eclipse plugin adding Python development support, created by Aleks Totic and maintained by Fabio Zadrozny

Panda3D, a free open-source 3D engine and framework for realtime games, simulations and visualizations, with its manual and downloads

Leanpub, a self-publishing platform where authors sell early-access and in-progress books, including technical titles on software and AI

A project website for PyPy, an alternative implementation of the Python programming language with a just-in-time compiler

XeroLinux is an Arch Linux distribution with a KDE Plasma desktop, run by Steve, aka DarkXero, from Lebanon

A Python plotting library documentation site for Matplotlib, covering static, animated and interactive data visualizations

Personal site of software engineer Ben Hoyt, with his résumé, open source Go and Python projects, and technical writing

An open-source, free native code editor for macOS, built in Swift, with a project blog and downloads

The official website of the D Programming Language, covering its documentation, downloads, compiler releases, and community resources

Embedded, a podcast by Elecia White and Christopher White on engineering careers, embedded systems, and the lives of makers

A documentation site for pytest, the Python testing framework, with a list of talks, books and tutorials about it

Pocoo, a former team of open source developers behind Python projects Flask, Sphinx, Jinja, Werkzeug and Pygments

Jesse Duffield's blog on programming, git tooling, short fiction and essays, including his Lazygit and Lazydocker projects

A online guide to software-defined radio and digital signal processing using Python, with chapters on SDR hardware

Eigenwise, a blog and newsletter by Kenny Vaneetvelde on AI systems, agents and coding tools in production