Sites like cweagans.net

DDEV, an open-source local development environment tool for web developers, documented on its project website with about and brand pages

JavaScript minifier Terser: a tool and documentation site for shrinking, mangling and compressing JavaScript code

Prettier, an opinionated code formatter for JavaScript, CSS, Markdown and other languages, with editor and CI integrations

3v4l.org is an online PHP shell that runs submitted code across more than 500 PHP versions and shows the output of each

Stylelint, a linter for CSS and related stylesheet syntax, with documentation, changelog, contributing guide and vision pages

A PHP static analysis tool called PHPStan, free and open-source, that finds bugs in code without tests, by Ondřej Mirtes

PostCSS, a JavaScript tool documentation site for transforming CSS with plugins such as Autoprefixer and its API reference

NativePHP is a framework and documentation site for building native mobile and desktop apps with PHP, plus its paid Ultra plan

PHPUnit project website by Sebastian Bergmann covering the PHP testing framework, its releases, documentation, sponsors and community events

Italian Poetry: a website of recited audio and literal English translations of Italian poems, by a single compiler, with a guide and notes on translation

Research portfolio of Lorenzo Moriondo, a London AI research engineer, on graph wiring, spectral vector search and agentic code generation

Nicky Case's personal site of interactive games, essays, and videos explaining ideas about systems, psychology, and play

Understand Drupal, a course site on learning the Drupal content management system, taught by developer Mauricio Dinarte

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

Symfony, a PHP web framework with documentation, components and tools for building scalable web applications

A personal blog by Jeff Geerling on software development, Raspberry Pi and maker hardware, and open source tech news

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

Lando, a free open-source local development tool and blog run by the Lando Alliance nonprofit, covering web development workflows

A web community and publication for API developers, with articles, a podcast, books and a newsletter by Phil Sturgeon

ESLint project website: documentation, playground and team pages for ESLint, the pluggable open-source JavaScript linter

Packagist, the main public repository of PHP packages installable with the Composer dependency manager, with package search, API and feeds

A TYPO3 developer blog by Benni Mack covering Extbase, CKEditor, Icon API, JSON views and other CMS topics

A blog on PHP, JavaScript and web development by software engineer Amit Merchant

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

A JavaScript testing framework named Jest, documented on its official site, with French and English pages and community help

A French-language project: Docusaurus, an open-source static site generator for building documentation websites with MDX and React

The PHP Foundation is a collective supporting development, security and long-term prosperity of the PHP programming language

Andy Clarke's web design studio and blog in North Wales, with books, templates and t-shirts on web design

Matt Glaman's personal blog on PHP and Drupal open source development, with writing, books and tooling notes

Ægir Hosting System, an open-source tool for deploying, upgrading and backing up networks of Drupal sites, with the Aegir Dispatch blog

A JavaScript toolkit, gulp.js, for automating build workflows with composable streaming tasks and plugins, documented through its project website

Drupal Forge is a service for launching temporary Drupal CMS sites from template recipes, with AI module demos and how-to guides

Alpine Linux, an independent lightweight Linux distribution built on musl libc and busybox, with its release announcements and documentation

Drupal.org, the official home of the open source Drupal content management system and its community, with AI integration