Sites like devroom.io

A JavaScript library documentation site for Sinon.JS, offering stubs, spies, fakes and mocks for unit tests

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

Network Time Foundation, a nonprofit supporting the NTP network time protocol project and its open-source timekeeping software

An independent website of Linux tutorials, courses and terminal games, created by Abhishek Prakash

Monkeytype, a minimalistic customizable online typing test for measuring and improving typing speed and accuracy

Dan Luu's personal blog of essays on software engineering, hiring, AI evaluation, and programming practice

A weekly tech newsletter called Weekend Reading by Assaf Arkin, covering tools, UX, management, infosec and random finds

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

Open source framework for managing Zsh shell configuration, with bundled plugins, themes and helper functions, maintained by a community

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

An international community developing free and open-source software, including the Plasma desktop and KDE applications

Tiptap, a headless open-source rich text editor framework and its commercial cloud platform for building custom editors

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

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

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

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

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

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

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

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

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

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

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

Linuxiac, an English news site covering Linux and open source software, plus guides to distributions like Fedora and Gentoo

WinSCP, a free open-source SFTP and FTP client application for Windows file transfers between local and remote computers

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

TanStack, an open-source collection of headless web application libraries and tools, with a design system, blog and chat app

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

Personal website of Dr Robin Wilson, a freelance remote sensing, GIS, data science and Python consultant, with talks and theses

atareao con Linux is a Spanish-language blog and podcast by Lorenzo Carbonell on Linux, Docker, Bash, Python and Rust

A personal technology blog by Vidar Hokstad on software libraries, code reuse, AI-written code and supply-chain risk

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

Railway is a cloud hosting platform for deploying, running and scaling software, with an app template directory and AI agent integrations

A news site and database covering Linux, SteamOS and Steam Deck gaming, with reviews, guides and a game database

OpenRPC, an open standard and toolkit for describing, testing, and documenting JSON-RPC APIs using a versioned spec document

Nokogiri, a Ruby library documentation site for parsing and manipulating XML and HTML, with licence, roadmap and security pages

The Rollup JavaScript module bundler's official website, with documentation, FAQs, an online REPL and browser build guides

It's FOSS is an English-language blog on Linux tips, tutorials, applications and news, written by Abhishek Prakash

The Doctrine Project's home page for PHP libraries on database storage, object mapping, and an ORM and DBAL, with contributor guide

Personal blog and portfolio of Eevee, covering writing, drawing, games, toys and dev logs, with an explicit-content marker

The Pragmatic Studio, an online video course studio teaching programming languages such as Ruby, Elixir and OTP to developers

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