Sites like typescript-eslint.io

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

The Oxc project's website describing a collection of open-source JavaScript tools written in Rust, including a compiler, with its team and sponsorship pages

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

Rust-based open source platform of fast developer tools such as a JavaScript/TypeScript compiler, documented by its project team

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

Biome, an open-source toolchain for web projects that formats, lints, and checks JavaScript, TypeScript, and related code

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

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

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

Madeline's personal site (superchupu) with JavaScript coding notes, blog posts about her level-making projects, and the tinyglobby npm file-globbing tool

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

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

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

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

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

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

MikroORM documentation for its TypeScript object-relational mapper and its database driver and tooling packages

AVA, a GitHub repository hosting a Node.js test runner for running JavaScript unit tests concurrently

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

bundlejs is an online tool that bundles JavaScript projects and reports npm package minified, gzip and brotli sizes

Drizzle Team's open-source TypeScript libraries: Drizzle ORM, Drizzle Kit, Drizzle Seed, Drizzle GraphQL, and CLI tools

Personal homepage and résumé of Isaac Z. Schlueter, a software engineer known for creating npm and leading Node.js work

ArkType: a TypeScript validation library and documentation site, with a playground, docs, FAQ and agent guides

Matteo Collina's personal site on Node.js, with his open source projects, talks and the Adventures in Nodeland newsletter

Personal website of Hiroki Osame, a JavaScript/TypeScript engineer whose blog posts and open-source developer tools cover web development infrastructure

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

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

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

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

Personal portfolio of Cenk Kılıç, MSc., a Vienna-based software platform engineer covering work experience and teaching

Ramda, a documentation site for a practical JavaScript functional programming library and its function reference

RSLint is a native, error-tolerant linter for JavaScript and ECMAScript code, with documentation for its rules and development

Modern Web: guides, documentation and open-source tools for building websites on web standards, with browser-native code and minimal tooling

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

A UI framework and documentation site for the Svelte web framework, which compiles components into minimal browser code

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

Fastify, a Node.js web framework project with documentation, community resources, benchmarks and a plugin ecosystem

MDX is a documentation site for Markdown extended with JSX components, with docs, guides and blog posts

Golangci-lint is a fast linters runner for the Go programming language, with documentation for installation and configuration