WebStorm is JetBrains' JavaScript/TypeScript IDE, headquartered in Prague, Czechia, providing intelligent code assistance, debugging, testing, and deep frontend framework integration.
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.
Created by Evan You in 2014, Vue.js is a progressive JavaScript frontend framework known for its progressive design, low learning curve, and excellent documentation, one of the most popular JavaScript frontend frameworks globally.
Created by Rich Harris in 2016, Svelte is an open-source frontend framework that takes a compiler-first approach, compiling applications to native JavaScript at build time, significantly reducing bundle size and improving runtime performance.
Founded by D3.js author Mike Bostock, Observable is a data visualization notebook platform supporting interactive data exploration and visualization development, widely used by The New York Times, Bloomberg, Google, and Apple.
Yarn is an open-source JavaScript package manager released by Facebook (Meta) in 2016, compatible with the npm ecosystem, known for deterministic yarn.lock, offline caching, and Workspaces, typically 2x faster than npm.
Webpack is an open-source frontend static module bundler supporting module hot replacement, code splitting, and asset optimization, a mainstream choice for frontend engineering.
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.
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.