Sites like yorkxin.org

Mongoose, an object modeling library for MongoDB in JavaScript, with documentation, changelog, news and plugin listings

OddBird's website covers its open-source CSS tools, such as the Susy grid library, with sponsorship and development news from the studio

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

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

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

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

Steve McKinney's design and code blog on web interface craft, with articles, tool reviews, uses and design notes

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

CocoaPods.org is a search and browse index for iOS, macOS and Swift library packages, with pages on the CocoaPods dependency manager

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

ExplainThis is a website offering AI and software engineering career guidance, ChatGPT tutorials and interview tools from FAANG engineers

WebdriverIO API reference documentation for the WebdriverIO browser and mobile test automation framework's commands and protocol bindings

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

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

Emmet, a plugin toolkit for writing HTML and CSS faster in text editors, by developer Sergey Chikuyonok

Alvin Alexander's blog of programming tutorials on Scala, Java, Unix, MacOS, UML and CVS

Blog by web standards leader Lea Verou on CSS, web design, icons and open source developer tools

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

fastlane is an open source tool for automating mobile app development, screenshots, beta distribution and store publishing

Buttondown, a newsletter hosting platform for independent writers, with sample newsletters from creators such as Lex and Ben Norris

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

Hexo, a fast Node.js static blog framework with Markdown support, one-command deployment, plugins and themes

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

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

TecMint, a Linux how-to blog with tutorials and guides by Ravi, founded in 2012

bunnie's burrow is a personal homepage and blog by bunnie, with an introduction and notes on her life and work

Personal home page of Eric S. Raymond hosting his open-source software, FAQs, essays and the Retrocomputing Museum

Free open source software for video recording and live streaming, the OBS Studio download and project site

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

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

Headius, a commercial JRuby support firm run by core runtime developers, offering priority bug fixes, debugging and performance consulting

A Spanish and Portuguese documentation site for Socket.IO, a library for real-time bidirectional communication between clients and servers

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

The MacPorts Project's official site offering a package manager for installing open-source software on macOS and other Unix-like systems

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

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

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

Gensim, an open-source Python library for topic modelling and semantic vector representation of text, by Radim Řehůřek

Ben Frain's blog, books, courses and videos on web development, especially front-end CSS and responsive design