Sites like docketcache.com

Documentation and FAQ for Nobs, a WordPress share buttons plugin by developer Geoffrey Crofte

Sydney company Digital Apps building WordPress plugins, real estate CRM-connected property websites and WooCommerce payment integrations

Krasen Slavov's site offering WordPress plugins, free themes, and blog posts on WooCommerce tracking and Claude Code training

AxePress Development, a web development agency offering WPGraphQL extensions, tools and support for headless WordPress sites

Personal homepage of Nils Maier, a German developer publishing Firefox add-ons, tools such as UnRarIt and MinTrayR, and project pages

A personal blog by Carl Alexander on WordPress programming, object-oriented development, and his book and video course

Dokploy, a self-hosted platform for deploying containerized applications and databases across multiple servers

Roots, an open source org building WordPress development tools such as Bedrock, Sage, Acorn and Trellis, with a blog and docs

A minimalist CSS framework called Milligram, offering styles for typography, forms, grids and code, with documentation pages and examples

CodeBard sells Member Plugin Pro, a WordPress membership and content monetization plugin, and funds free software development through donations

A WordPress development studio, Lana Codes, selling commercial themes and plugins and offering freelance development services

A WordPress LMS plugin for building, selling and tracking online courses, made by the Academy LMS team

Security researcher Scott Helme's personal blog and site on web security, security headers and incident analysis, plus media and speaking pages

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

getButterfly is a site offering WordPress plugins and the Hound flat-file PHP content management system, by its developer team

The HTTP Archive is a public dataset and reports project that crawls top websites to track how the web is built

A JavaScript UI library site for Preact, a small React-like framework, with its blog, docs and branding pages

Mautic is an open source marketing automation software project and product, with its community hub on Slack

Ant Design, an open-source React UI component library and design system, with its release changelog and documentation

Splide, a lightweight accessible JavaScript slider library with documentation, examples and a sponsor-only WebGL transition add-on

vis.js community edition: a JavaScript library for interactive network, timeline, graph and dataset visualizations in the browser

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

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

Babel, an open-source JavaScript compiler project with documentation, a browser REPL and a team page, converting modern JavaScript to older-compatible code

A component library and Tailwind CSS plugin providing pure-CSS UI components with semantic class names, documentation by its maintainers

A React component library company offering free Material UI components and MUI X advanced data tools for building web interfaces

Vite, a frontend build tool and documentation site for modern web application development, with team and event pages

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

jsDelivr is a free open source CDN service delivering JavaScript, ESM modules and other files from npm and GitHub

A collection of free technical SEO tools and articles, including robots.txt, hreflang, AMP and .htaccess testers, on TechnicalSEO.com

Yarn, a JavaScript package manager; its documentation and API reference for the @yarnpkg packages

Blubrry, a podcast hosting platform offering analytics and monetization tools, run by its founder since 2005 as a service for podcasters

Converse, an open-source web-based XMPP chat client and embeddable messaging library with documentation for developers

Zed, an open-source multiplayer code editor from Zed Industries with optional AI agent integration and the Agent Client Protocol

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

Textpattern CMS, a free open source content management system with tag-based templates for web designers and developers