Sites like isquaredsoftware.com

TkDodo's blog: personal blog by Dominik Dorfmeister on JavaScript, React, TypeScript, TanStack Query, API design and open source

Personal blog and portfolio of software engineer Ameer Sami on TypeScript, React, design systems, career growth, and side projects

Verdaccio, a lightweight private npm registry project with documentation, command-line reference, environment settings, testing guides and video talks

A system design newsletter and website, spun off into a playbook and book on system design topics

Blog and portfolio by software developer Sascha Becker on AI agent tools, frontend engineering, APIs and engineering culture

Practical blog by Aurora Scharff, a Next.js team engineer at Vercel, on React, Next.js and modern web development

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

Steve Ruiz's personal blog on web development, TypeScript, SVG geometry and canvas user interfaces, by a London-based developer and founder

Aleksandr Hovhannisyan's personal website: a software developer's blog on programming, life and other topics, with notes, CSS art and guitar covers

Practical TypeScript guides and AI-interface essays, a Substack newsletter by Maina Wycliffe on building reliable web apps

Video and written tutorials on building a Crossy Road clone in JavaScript with Three.js and React Three Fiber

fast-check is a property-based testing library for JavaScript and TypeScript, with documentation and blog posts by maintainer Nicolas Dubien

A CSS drawing project by Lynn Fisher, where each illustration is a single div with pseudo-elements

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

Personal blog and portfolio by Hao Dong, a London software developer writing on web development, open source and productivity

React Hook Form is a documentation site for a performant React form library, covering its API, TypeScript types and FAQs

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

typescript-eslint is a documentation site for the ESLint plugin and parser that lint TypeScript code, with its rules and playground

Parcel, a zero-configuration JavaScript build tool for the web, with release announcements and blog posts from its team

Medhat Dawoud's personal site: a blog, conference talks and open source projects on web performance and frontend engineering

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

Poimandres, an open-source developer collective's site on React and three.js 3D graphics, with articles and projects by Christian Ortiz

Personal site of Daniel Roe, open source maintainer leading the Nuxt core team, with talks, projects, blog and uses

Sergio Xalambr's personal blog of articles, tutorials, short notes, TILs, weekly releases, bookmarks and glossary terms on software development

A testing framework called Vitest, powered by Vite, with documentation for writing, mocking and configuring JavaScript tests

Personal site of Rafael Gonzaga, a Node.js TSC member, sharing posts, talks and speaking engagements on Node.js performance and open source

NodeBook, an online Node.js book and lab series by Ishtmeet Singh on event loops, memory, networks and building a backend from raw TCP

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

Luca Mezzalira's personal site on software architecture, micro-frontends and serverless, with books, talks and articles by the AWS solutions architect

Code Hike, a documentation and blog site by Rodrigo Pombo on building Markdown and React content websites with interactive code blocks

Mock Service Worker, an API mocking library for browser and Node.js JavaScript, with documentation and guides for intercepting network requests

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

Maximiliano Firtman's blog on mobile and web development, covering PWAs, iOS Safari compatibility, web performance and client-side AI