Cypress vs Puppeteer: licensing, GitHub activity, and what each is actually for. Neutral comparison, no paid rankings.
Cypress: Open source. 51,048 GitHub stars. Fast, reliable browser testing with real-time reload and time-travel debugging. Best DX for JS teams.
Puppeteer: Open source. 95,683 GitHub stars. Google's official headless Chrome Node.js API for browser automation. Full Chrome DevTools Protocol access for advanced scenarios.