WebdriverIO Has a Free API — Browser + Mobile Testing in One Framework

WebdriverIO is the next-gen browser and mobile testing framework for Node.js — with first-class support for Chrome DevTools, WebDriver BiDi, and Appium for mobile testing. Why WebdriverIO? Multi-protocol — WebDriver, DevTools, and WebDriver BiDi support Mobile testing — built-in Appium integration (iOS + Android) Component testing — React, Vue, Svelte, Lit, Preact, SolidJS Visual regression — screenshot comparison built in AI-powered selectors — find elements using natural language Extensible — 100+ community plugins Quick Start # Interactive setup wizard npm init wdio@latest # Or manual install npm install @wdio/cli npx wdio config Your First Test // test/specs/login.test.js describe ( " Login Page " , () => { it ( " should login with valid credentials " , async () => { await browser . url ( " /login " ); await $ ( " #email " ). setValue ( " user@example.com " ); await $ ( " #password " ). setValue ( " password123 " ); await $ ( " button[type=submit] " ). click (); await expect ( brow