Sites like python.org

Node.js, an open-source cross-platform JavaScript runtime for building servers, web apps, command line tools and scripts

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

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

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

Scikit-learn, an open-source Python library of machine learning tools for predictive data analysis, with documentation, FAQ and installation guides

Kevin Wang's blog of writings on tech and other topics, plus project notes, short brain dumps and a web engineer's résumé

The official website of Vue.js, the open-source JavaScript framework for building web user interfaces, with its API reference and documentation

Shields.io is a service that generates concise, consistent badges for GitHub readmes and other web pages

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

Gregory Szorc's personal blog and notes on Python tooling, open source projects, and his technical career history

The Rust Programming Language project's official site for the Rust systems programming language, with documentation, learning resources and community pages

Homebrew, a package manager for installing software on macOS, Linux and WSL from the command line

SciPy, an open source Python library of algorithms for scientific computing, covering optimization, integration, interpolation, statistics and differential equations

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

A personal software engineering blog by Ryan Palo covering overbuilt Discord bot projects, AI usage, and developer tools

The aiohttp.org site is the documentation and project page for aiohttp, an asynchronous Python HTTP client and server library built on asyncio

The official website for the Go open-source programming language, with documentation, tutorials, and the Go Blog

pwndbg is a GDB and LLDB plug-in for debugging, with documentation on setup, commands and features

Personal website of Sebastián Ramírez, a Colombian software developer, sharing ideas, guides and his open source projects like FastAPI

The official GitHub blog, publishing news, engineering posts, and developer tips about GitHub's products, Copilot, security, and company updates

DEV Community, a English-language online community and blogging platform where developers publish posts, tags and challenges about programming and software

Marketing and machine learning consultant Lazarina Stoy's website with blog posts and guides on SEO, analytics and AI for marketers

The GNOME project's website, presenting its free and independent desktop computing platform and its community, in English and several other languages

freeCodeCamp is a nonprofit programming tutorial publication covering Python, JavaScript, Git, and other developer topics

Selenium, an open-source browser automation tool for web application testing, documented on its official project website

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

Personal site of developer Hsiaoming Yang blending open source tool notes, bilingual English and Chinese essays, and travel photographs

A documentation site for pre-commit, a framework for managing and running git pre-commit hook scripts before code review

JSON Schema is a declarative language and documentation site for annotating and validating the structure and data types of JSON documents

OpenClaw: an open-source AI assistant project with desktop, mobile and terminal installs, press coverage, privacy and security pages, run by Peter Steinberger

Qiita, a Japanese knowledge-sharing platform where engineers publish technical articles and tutorials on programming and software development

OpenCV, the open-source computer vision library, with its services, training, partner program and blog, run by the OpenCV organisation

Simon Willison's Weblog, a personal blog by developer Simon Willison on software, AI tools and web programming, plus a Gemini text-to-speech playground

GIMP, the free open-source cross-platform image editor project, with its official website, bug reports, documentation and news

Web fiction and novels by author Alexander Wales, including Worth the Candle, Thresholder, and Shadows of the Limelight, with blog posts

Uiua is an array-oriented programming language, with its homepage linking to installation, documentation and a language tour

Vite, a frontend build tool and development server for modern web projects, documented by its core team