Frontend

WebStorm

Czechia

WebStorm is JetBrains' JavaScript/TypeScript IDE, headquartered in Prague, Czechia, providing intelligent code assistance, debugging, testing, and deep frontend framework integration.

npm

United States

npm is a JavaScript package manager founded in 2010 in San Francisco, USA, and the default tool for Node.js. Its registry hosts 2M+ open-source packages with 1B+ weekly downloads.

Astro

United States

Astro is a content-driven web framework open sourced in 2021, known for zero-JavaScript-by-default output and Islands Architecture, embedding React/Vue/Svelte components on demand for content-intensive websites.

Surge

United States

Surge is a one-command CLI static website deployment tool with custom domain, free SSL, and global CDN acceleration, ideal for frontend developers to deploy static sites quickly.

JSFiddle

United States

JSFiddle is an online code editor and sandbox for testing and sharing HTML/CSS/JavaScript code, supporting React, Tailwind, TypeScript, and more, usable without registration.

CodeSandbox

Netherlands

Founded in 2017 and headquartered in Amsterdam, Netherlands, CodeSandbox is an online code sandbox and cloud IDE platform. With native npm support, 20+ framework templates, and real-time collaboration, it serves more than 12 million developers.

CodePen

United States

CodePen is a US-based (2012, Portland) online frontend code editor and developer community offering live HTML/CSS/JS preview, preprocessor support, and page hosting, serving as an inspiration library and prototyping tool for frontend developers.